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1.
A magnetometer of
weak quasi-stationary and high-frequency fields on resonator microstrip transducers with thin magnetic fields / A. N. Babitskii [et al.]> // Instrum. Exp. Tech. - 2016. -
Vol. 59
,
Is. 3
. - P. 425-432,
DOI
10.1134/S0020441216030131. - Cited References: 23. - This study was performed within the framework of the State Job of the Ministry of Education and Science of the Russian Federation for the research at the Siberian Federal University in 2014 (project no. 3.528.2014K). . - ISSN 0020-4412
РУБ
Engineering, Multidisciplinary + Instruments & Instrumentation
Рубрики:
Ferromagnetic-resonance
Films
Susceptibility
Anisotropy
Sensors
Trends
Аннотация:
A high-sensitivity magnetometer for simultaneous measurements of three components of a weak quasi-stationary or high-frequency magnetic-field vector was developed and investigated. Microstrip structures that are based on irregular resonators serve as the magnetometer transducers. An anisotropic thin-film magnetic structure is used as the sensing element. This structure consists of two thin magnetic films that are prepared by magnetron sputtering of a Ni75Fe25 permalloy target and separated by a silicon monoxide layer. It is demonstrated that the transducer exhibits the maximum sensitivity, when the easy magnetization axis of the film structure is orthogonal to the polarization direction of the pumping microwave magnetic field in the microstrip resonator and at an optimal value of a constant magnetic bias field and its optimal deflection from the pumping-field polarization direction which is parallel to it. The magnetometer is characterized by a wide dynamic range of measured magnetic fields, 10–10–10–4 Т, and a wide frequency range, 10–1–105 Hz. © 2016, Pleiades Publishing, Inc.
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Публикация на русском языке
Магнитометр слабых квазистационарных и высокочастотных полей на резонансных микрополосковых преобразователях с тонкими магнитными пленками [Текст] / А. Н. Бабицкий [и др.] // Приборы и техн. эксперим. : Наука, 2016. - № 3. - С. 96-104
Держатели документа:
Kirensky Institite of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok 50, str. 38, Krasnoyarsk, Russian Federation
Siberian Federal University, pr. Svobodnyi 79, Krasnoyarsk, Russian Federation
Reshetnev Siberian State Aerospace University, pr. Im. Gazety Krasnoyarskii rabochii 31, Krasnoyarsk, Russian Federation
OAO NPP Radiosvyaz’, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Babitskii, A. N.; Belyaev, B. A.; Беляев, Борис Афанасьевич; Boev, N. M.; Боев, Никита Михайлович; Skomorokhov, G. V.; Скоморохов, Георгий Витальевич; Izotov, A. V.; Изотов, Андрей Викторович; Galeev, R. G.
}
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2.
Advanced characterization of
FeNi-based films for the development of magnetic field
sensors
with tailored functional parameters / S. V. Komogortsev, I. G. Vazhenina, S. A. Kleshnina [et al.]> //
Sensors
. - 2022. -
Vol. 22
,
Is. 9
. - Ст. 3324,
DOI
10.3390/s22093324. - Cited References: 35. - This research was funded by the Russian Science Foundation (RSF), project no. 22-29-00980, https://rscf.ru/en/project/22-29-00980/ (accessed on 20 March 2022) . - ISSN 1424-8220
Кл.слова (ненормированные):
magnetic field
sensors
--
thin films
--
multilayered structures
--
magnetic anisotropy
--
anisotropy distribution
--
ferromagnetic resonance
--
magnetoimpedance
--
high frequency applications
Аннотация:
Magnetometry and ferromagnetic resonance are used to quantitatively study magnetic anisotropy with an easy axis both in the film plane and perpendicular to it. In the study of single-layer and multilayer permalloy films, it is demonstrated that these methods make it possible not only to investigate the average field of perpendicular and in-plane anisotropy, but also to characterize their inhomogeneity. It is shown that the quantitative data from direct integral and local measurements of magnetic anisotropy are consistent with the direct and indirect estimates based on processing of the magnetization curves. The possibility of estimating the perpendicular magnetic anisotropy constant from the width of stripe domains in a film in the transcritical state is demonstrated. The average in-plane magnetic anisotropy field of permalloy films prepared by magnetron sputtering onto a Corning glass is almost unchanged with the thickness of a single-layer film. The inhomogeneity of the perpendicular anisotropy field for a 500 nm film is greater than that for a 100 nm film, and for a multilayer film with a total permalloy thickness of 500 nm, it is greater than that for a homogeneous film of the same thickness.
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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Institute of Physics, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Department of Magnetism of Solid State, Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, 620002, Russian Federation
Laboratory of Advanced Magnetic Materials, Institute of Metal Physics UD RAS, Ekaterinburg, 620108, Russian Federation
Доп.точки доступа:
Komogortsev, S. V.; Комогорцев, Сергей Викторович; Vazhenina, I. G.; Важенина, Ирина Георгиевна; Kleshnina, S. A.; Клешнина, Софья Андреевна; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Lepalovskij, V. N.; Pasynkova, A. A.; Svalov, A. V.
}
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3.
Automated measuring unit
for analysis of thin magnetic film ferroresonance spectrum / A. V. Burmitskikh [et al.]> //
International Siberian Conference on Control and Communications, SIBCON 2019 : Proceedings : IEEE, 2019. - Ст. 8729594,
DOI
10.1109/SIBCON.2019.8729594. - Cited References: 6
Кл.слова (ненормированные):
Ferroresonance
--
Magnetic films
--
Magnetic
sensors
--
Magnetometers
--
Permeability measurement
Аннотация:
This paper considers hardware and software for automated analysis of thin magnetic film ferroresonance spectrum to determine the rate of growth and decrease in ferroresonance spectrum (conversion factor parameter). The measuring element of automated system is the strip line which is short-circuited. The measuring unit is used to study Ni 80 Fe 20 permalloy films, with thickness of more than 300 Å. Conversion factor, magnetic permeability μ, uniaxial magnetic anisotropy, ferromagnetic spectrum resonance line width, saturation magnetization are analyzed from 50 MHz to 2 GHz frequency range. The magnetic films are used to design frequency selective filters, phase shifters and weak-field magnetic
sensors
. The thin magnetic film
sensors
are high sensitive magnetometers, with wide frequency range, low dimensions and weight [1]. © 2019 IEEE.
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Держатели документа:
Laboratory of Electrodynamics and Microwave Electronics, Kirensky Institute of Physics, Krasnoyarsk, Russian Federation
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Burmitskikh, A. V.; Бурмитских, Антон Владимирович; Boev, N. M.; Боев, Никита Михайлович; Izotov, A. V.; Andyuseva, V. G.; International Siberian Conference on Control and Communications(14 ; 2019 ; April 18-20 ; Tomsk)
}
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4.
Correlation of the
magnetic and transport properties with polymorphic transitions in bismuth pyrostannate Bi2(Sn1 − xCr x)2O7 / S. S. Aplesnin [et al.]> // Phys. Solid State. - 2015. -
Vol. 57
,
Is. 8
. - P. 1627-1632,
DOI
10.1134/S1063783415080028. - Cited References: 17. - This study was supported by the Russian Foundation for Basic Research (project no. 15-02-01445-a) and the Ministry of Education and Science of the Russian Federation (state task no. 114090470016). . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
Рубрики:
GAS
SENSORS
Bi2Sn2O7
CRYSTAL
Аннотация:
The correlation of the electrical, magnetic, and structural properties of Bi2(Sn1 − xCrx)2O7 solid solutions has been investigated for two compositions with x = 0.05 and 0.1. The temperatures of structural phase transitions and anomalies of the electrical resistance in the vicinity of these transitions at temperatures in the range 300 K ˂ T ˂ 1000 K have been determined using differential scanning calorimetry. It has been found that the thermoelectric power changes sign upon the polymorphic transition. The paramagnetic Curie temperature and the chromium-ion spin have been found from the temperature dependence of the magnetic susceptibility in the range 4 K ˂ T ˂ 1000 K and from the field dependence of the magnetic moment in magnetic fields of up to 6 T.
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Публикация на русском языке
Корреляция магнитных и транспортных свойств с полиморфными переходами в пиростаннате висмута Bi2(Sn1-xCrx)2O7 [Текст] / С. С. Аплеснин [и др.] // Физ. тверд. тела. - 2015. - Т. 57 Вып. 8. - С. 1590-1595
Держатели документа:
Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences, Akademgorodok 50-38, Krasnoyarsk, Russian Federation
Reshetnev Siberian State Aerospace University, pr. imeni Gazety “Krasnoyarskii Rabochii” 31, Krasnoyarsk, Russian Federation
Far Eastern State Transport University, ul. Serysheva 47, Khabarovsk, Russian Federation
Krasnoyarsk Scientific Center, Siberian Branch of the Russian Academy of Sciences, Akademgorodok 50, Krasnoyarsk, Russian Federation
Scientific-Practical Materials Research Centre, National Academy of Sciences of Belarus, ul. P. Brovki 19, Minsk, Belarus
Доп.точки доступа:
Аплеснин, Сергей Степанович; Aplesnin, S. S.; Udod, L. V.; Удод, Любовь Викторовна; Sitnikov, M. N.; Eremin, E. V.; Еремин, Евгений Владимирович; Molokeev, M. S.; Молокеев, Максим Сергеевич; Tarasova, L. S.; Yanushkevich, K. I.; Galyas, A. I.; Russian Foundation for Basic Research [15-02-01445-a]; Ministry of Education and Science of the Russian Federation [114090470016]
}
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5.
Endorsing a hidden
plasmonic mode for enhancement of LSPR sensing performance in evolved metal–insulator geometry using an unsupervised machine learning algorithm / N. Bhalla, A. Thakur, I. S. Edelman, R. D. Ivantsov> // ACS Phys. Chem. Au. - 2022. -
Vol. 2
,
Is. 6
. - P. 459-467,
DOI
10.1021/acsphyschemau.2c00033. - Cited References: 35 . - ISSN 2694-2445
Перевод заглавия:
Обнаружение скрытой плазмонной моды для усиления локального поверхностного плазмонного резонанса (ЛППР). Увеличение чувствительности усовершенствованной геометрии металл-изолятор с использованием самообучающегося машинного алгоритма
Дескрипторы:
LSPR -- Plasmonics -- PCA -- Deconvolution --
Sensors
Аннотация:
Large-area nanoplasmonic structures with pillared metal–insulator geometry, also called nanomushrooms (NM), consist of an active spherical-shaped plasmonic material such as gold as its cap and silicon dioxide as its stem. NM is a geometry which evolves from its precursor, nanoislands (NI) consisting of aforementioned spherical structures on flat silicon dioxide substrates, via selective physical or chemical etching of the silicon dioxide. The NM geometry is well-known to provide enhanced localized surface plasmon resonance (LSPR) sensitivity in biosensing applications as compared to NI. However, precise optical phenomenon behind this enhancement is unknown and often associated with the existence of electric fields in the large fraction of the spatial region between the pillars of NM, usually accessible by the biomolecules. Here, we uncover the association of LSPR enhancement in such geometries with a hidden plasmonic mode by conducting magneto-optics measurements and by deconvoluting the absorbance spectra obtained during the local refractive index change of the NM and NI geometries. By the virtue of principal component analysis, an unsupervised machine learning technique, we observe an explicit relationship between the deconvoluted modes of LSPR, the differential absorption of left and right circular polarized light, and the refractive index sensitivity of the LSPR sensor. Our findings may lead to the development of new approaches to extract unknown properties of plasmonic materials or establish new fundamental relationships between less understood photonic properties of nanomaterials.
https://doi.org/10.1021/acsphyschemau.2c00033
Держатели документа:
Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, Ulster University, Jordanstown, Shore Road, Newtownabbey, Northern Ireland BT37 0QB, United Kingdom
Healthcare Technology Hub, Ulster University, Jordanstown, Shore Road, Newtownabbey, Northern Ireland BT37 0QB, United Kingdom
Amity Institute of Nanotechnology, Amity University Haryana, Gurugram, Haryana 122413, India
Kirensky Institute of Physics, FRC KSC Siberian Branch of Russian Academy of Sciences, Krasnoyarsk 660036, Russia
Доп.точки доступа:
Bhalla, Nikhil; Thakur, Atul; Edelman, I. S.; Эдельман, Ирина Самсоновна; Ivantsov, R. D.; Иванцов, Руслан Дмитриевич
}
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6.
Heterostructures based on
cobalt phthalocyanine films decorated with gold nanoparticles for the detection of low concentrations of ammonia and nitric oxide / S. I. Dorovskikh, D. D. Klyamer, E. A. Maksimovskiy [et al.]> // Biosensors. - 2022. -
Vol. 12
,
Is. 7
. - Ст. 476,
DOI
10.3390/bios12070476. - Cited References: 74. - This work was funded by the Russian Science Foundation (grant 21-73-10142). The authors acknowledge the Russian Ministry of Education and Science (project 121031700314-5) for the access to literature search databases. TEM investigations were conducted in the SFU Joint Scientific Center . - ISSN 2079-6374
Перевод заглавия:
Гетероструктуры на основе пленок фталоцианина кобальта, декорированные наночастицами золота, для обнаружения низких концентраций аммиака и оксида азота
Кл.слова (ненормированные):
gold nanoparticles
--
cobalt phthalocyanine
--
gas-phase deposition
--
chemiresistive
sensors
--
nitric oxide
--
ammonia
Аннотация:
This work is aimed at the development of new heterostructures based on cobalt phthalocyanines (CoPc) and gold nanoparticles (AuNPs), and the evaluation of the prospects of their use to determine low concentrations of ammonia and nitric oxide. For this purpose, CoPc films were decorated with AuNPs by gas-phase methods (MOCVD and PVD) and drop-casting (DC), and their chemiresistive sensor response to low concentrations of NO (10–50 ppb) and NH3 (1–10 ppm) was investigated. A comparative analysis of the characteristics of heterostructures depending on the preparation methods was carried out. The composition, structure, and morphology of the resulting hybrid films were studied by X-ray photoelectron spectroscopy (XPS) and inductively coupled plasma atomic emission (ICP-AES) spectroscopy, as well as electron microscopy methods to discuss the effect of these parameters on the sensor response of hybrid films to ammonia and nitric oxide. It was shown that regardless of the fabrication method, the response of Au/CoPc heterostructures to NH3 and NO gases increased with an increase in the concentration of gold. The sensor response of Au/CoPc heterostructures to NH3 increased 2–3.3 times compared to CoPc film, whereas in the case of NO it increased up to 16 times. The detection limits of the Au/CoPc heterostructure with a gold content of ca. 2.1 µg/cm2 for NH3 and NO were 0.1 ppm and 4 ppb, respectively. It was shown that Au/CoPc heterostructures can be used for the detection of NH3 in a gas mixture simulating exhaled air (N2—74%, O2—16%, H2O—6%, CO2—4%).
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Держатели документа:
Nikolaev Institute of Inorganic Chemistry SB RAS, 3 Lavrentiev Pr., Novosibirsk, 630090, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Laboratory of Electron Microscopy, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Доп.точки доступа:
Dorovskikh, S. I.; Klyamer, D. D.; Maksimovskiy, E. A.; Volchek, V. V.; Zharkov, S. M.; Жарков, Сергей Михайлович; Morozova, N. B.; Basova, T. V.
}
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7.
Heterostructures based on
Pd–Au nanoparticles and cobalt phthalocyanine for hydrogen chemiresistive
sensors
/ N. S. Nikolaeva, D. D. Klyamer, S. M. Zharkov [et al.]> // Int. J. Hydrogen Energy. - 2021. -
Vol. 46
. Is. 37. - P. 19682-19692,
DOI
10.1016/j.ijhydene.2021.03.082. - Cited References: 74. - The work on the synthesis of Au MOCVD precursor and deposition of gold nanoparticles on various surfaces were funded by Russian Science Foundation (RSF) (research project № 20-15-00222 ). The TEM and electron diffraction investigations were conducted in the SFU Joint Scientific Center supported by the State assignment ( #FSRZ-2020-0011 ) of the Ministry of Science and Higher Education of the Russian Federation . - ISSN 0360-3199
Перевод заглавия:
Гетероструктуры, основанные на наночастицах Pd-Au и фтолоцианине кобальта, для хемирезисторных сенсоров водорода
Кл.слова (ненормированные):
Palladium nanoparticles
--
Gold nanoparticles
--
Bimetallic nanoparticles
--
Metal phthalocyanine
--
Chemiresistive
sensors
--
Hydrogen
Аннотация:
In this work, the effect of Pd, Au and PdAu nanoparticles on sensor response of cobalt phthalocyanine films to hydrogen was studied. For this purpose, novel heterostructures based on cobalt phthalocyanine and PdAu nanoalloys were obtained by a combination of vacuum thermal evaporation and pulsed metalorganic chemical vapor deposition (MOCVD) and investigated as active layers for hydrogen detection. The structural features and phase composition of the prepared heterostructures were studied by the techniques of X-ray diffraction, transmission electron microscopy and electron diffraction. The concentration of metal nanoparticles in the samples was determined by inductively coupled plasma atomic emission spectroscopy (ICP-AES). The chemiresistive sensor response of CoPc/M (M = Pd, Au, Pd0.2Au0.8 and Pd0.8Au0.2) to hydrogen (100–400 ppm, room temperature) was compared with that of bare CoPc films. It was shown that the sensor response of the investigated heterostructures to hydrogen (300 ppm) increased in the order CoPc (0.2%) < CoPc/Pd0.2Au0.8 (1.9%) ~ CoPc/Au (2.2%) < CoPc/Pd (2.7%) < CoPc/Pd0.8Au0.2 (5.6%).
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Держатели документа:
Nikolaev Institutes of Inorganic Chemistry SB RAS, Lavrentiev Pr. 3, Novosibirsk, 630090, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok 50/38, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, 79 Svobodny pr., Krasnoyarsk, 660041, Russian Federation
Доп.точки доступа:
Nikolaeva, N. S.; Klyamer, D. D.; Zharkov, S. M.; Жарков, Сергей Михайлович; Tsygankova, A. R.; Sukhikh, A. S.; Morozova, N. B.; Basova, T. V.
}
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8.
Large magneto-resistance of
high-T-C superconductor based composites to low magnetic fields at the liquid nitrogen temperature / D. A. Balaev [et al.]> // Physica C. - 2004. -
Vol. 408
: 7th International Conference on Materials and Mechanisms of Superconductive and High Temperature Superconductors (MAY 25-30, 2003, Rio de Janeiro, BRAZIL). - P. 943-944,
DOI
10.1016/j.physc.2004.03.173. - Cited References: 6 . - ISSN 0921-4534
РУБ
Physics, Applied
Кл.слова (ненормированные):
HTSC
--
magnetic field
sensors
--
magneto-resistance
Аннотация:
The magneto-resistive effect in bulk 123YBCO + CuO and YBCO + Normal metal BaPbO3 composites prepared by fast backing technique has been studied. The composites exhibit broadening of resistive transition in low magnetic fields (less than 200 Oe) for a wide temperature range. Experimental dependences of resistivity versus magnetic field at various transport current densities are presented and discussed. The HTSC based composites exhibit a much higher sensitivity to weak magnetic fields at liquid nitrogen temperature, as compared to that for the "pure" HTSC ceramics. This effect is attractive for possible practical applications and may be used in magnetic field sensor devices. (C) 2004 Elsevier B.V. All rights reserved.
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Держатели документа:
Kirensky Inst Phys, Akademgorodok, Krasnoyarsk 660036, Russia
Reshetnev Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
ИФ СО РАН
Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Shaihutdinov, K. A.; Popkov, S. I.; Попков, Сергей Иванович; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Petrov, M. I.; Петров, Михаил Иванович
}
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9.
Low noise wideband
thin-film magnetometer / А. Н. Бабицкий [et al.]> //
IEEE Int. Conf. "
Sensors
-2017" : proceedings. - 2017. - P. 316-318
Перевод заглавия:
Малошумящий широкополосный тонкопленочный магнитометр
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,
Материалы конференции
Держатели документа:
Институт физики им. Л.В. Киренского СО РАН
Доп.точки доступа:
Бабицкий, Александр Николаевич; Babitskii, A. N.; Беляев, Борис Афанасьевич; Belyaev, B. A.; Боев, Никита Михайлович; Boev, N. M.; Изотов, Андрей Викторович; Izotov, A. V.; IEEE International Conference "
Sensors
"(2017 ; Oct. 29 - Nov. 1 ; Glasgow, GB)
}
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10.
Low noise wideband
thin-film magnetometer / A. N. Babitskii [et al.]> //
Proceedings of IEEE
Sensors
. - 2017. -
Vol. 2017-December
: 16th IEEE
SENSORS
Conference, ICSENS 2017 (30 October 2017 through 1 November 2017, Glasgow, UK) Conference code: 132067. - P. 1-3,
DOI
10.1109/ICSENS.2017.8233972. - Cited References: 4. - This work was supported by the Ministry of Education and Science of the Russian Federation, Task no. 3.1031.2017/PCh.
Кл.слова (ненормированные):
magnetic sensor
--
magnetometer
--
magnetic field measurement
--
thin magnetic film
Аннотация:
A novel low noise and wide bandwidth thin magnetic film magnetometer based on a ferromagnetic resonance phenomenon is presented in the article. The magnetometer is characterized by a high sensitivity in a wide frequency range - from a direct component of the field and up to 105...108 Hz. The magnetometer noise level is lower 10-12 T/Hz1/2 at frequencies above 102 Hz. The magnetometer conversion factor is constant at the whole operating frequency band. The developed magnetometer is simple and inexpensive for mass production.
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Держатели документа:
Laboratory of Electrodynamics and Microwave Electronics, Kirensky Institute of Physics, Krasnoyarsk, Russian Federation
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Babitskii, A. N.; Бабицкий, Александр Николаевич; Belyaev, B. A.; Беляев, Борис Афанасьевич; Boev, N. M.; Izotov, A. V.; IEEE International Conference "
Sensors
"(2017 ; Oct. 29 - Nov. 1 ; Glasgow, GB)
}
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11.
Magnetic field dependence
of intergrain pinning potential in bulk granular composites YBCO plus CuO demonstrating large magneto-resistive effect / D. A. Balaev [et al.]> // J. Supercond. Nov. Magn. - 2008. -
Vol. 21
,
Is. 4
. - P. 243-247,
DOI
10.1007/s10948-008-0324-1. - Cited References: 22 . - ISSN 1557-1939
РУБ
Physics, Applied + Physics, Condensed Matter
Рубрики:
HIGH-TEMPERATURE SUPERCONDUCTORS
ACTIVATED PHASE-SLIP
TRANSITION
DISSIPATION
MECHANISM
SENSORS
MODEL
Кл.слова (ненормированные):
bulk granular High-T(C) superconductor
--
magneto-resistive effect
--
Josephson junction network
--
inter-grain pinning potential
--
Bulk granular High-T C superconductor
--
Inter-grain pinning potential
--
Josephson junction network
--
Magneto-resistive effect
--
Bulk composites
--
Bulk granular High-T subC/sub superconductor
--
Granular composites
--
Inter-grain pinning potential
--
Josephson junction network
--
Magnetic field dependences
--
Magneto-resistive effect
--
Pinning potential
--
Resistive effects
--
Resistive transitions
--
Wide temperature range
--
Y-Ba-Cu-O
--
Atmospheric temperature
--
Barium
--
Copper
--
Copper oxides
--
Electric resistance
--
Magnetic field measurement
--
Magnetic fields
--
Magnetoresistance
--
Magnetos
--
Yttrium barium copper oxides
--
Magnetic field effects
Аннотация:
The broadening of the resistive transition in magnetic field and isotherms of magnetoresistance of bulk composites Y-Ba-Cu-O + CuO have been studied. These composites exhibit large magneto-resistive effect in a wide temperature range below T (C) due to weakening of Josephson coupling in this system. The broadening of the resistive transition and magnetoresistance are explained well by the Ambegaokar-Halperin (AH) model for phase slip in Josephson junctions. The magnetic field dependence of pinning potential in the intergrain boundaries deduced from AH model found out to be similar to that of critical current of an array of Josephson junctions. The values of pinning energy point out that the large magneto-resistive effect observed in the composites results from flux flow-like processes at the intergrain boundaries.
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Держатели документа:
[Balaev, D. A.
Dubrovskiy, A. A.
Popkov, S. I.
Shaykhutdinov, K. A.
Petrov, M. I.] RAS, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics of RAS, 660036, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Dubrovskiy, A. A.; Дубровский, Андрей Александрович; Popkov, S. I.; Попков, Сергей Иванович; Shaykhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Petrov, M. I.; Петров, Михаил Иванович
}
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12.
Magnetic properties of
FeNi/Cu-based lithographic rectangular multilayered elements for magnetoimpedance applications / G. Yu. Melnikov, I. G. Vazhenina, R. S. Iskhakov [et al.]> //
Sensors
. - 2023. -
Vol. 23
,
Is. 13
. - Ст. 6165,
DOI
10.3390/s23136165. - Cited References: 72. - This research was funded by the Russian Science Foundation (RSF), project no. 22-29-00980, https://rscf.ru/project/22-29-00980/ (accessed on 1 July 2023). - Authors acknowledge the possibility to use the Krasnoyarsk Regional Center of Research Equipment of the Federal Research Center “Krasnoyarsk Science Center SB RAS” for ferromagnetic resonance studies. We thank A.A. Yuvchenko and V.N. Lepalovskij for special support. The authors wish to thank the anonymous referees for their comments and suggestions . - ISSN 1424-8220
Кл.слова (ненормированные):
magnetic multilayers
--
permalloy
--
magnetic properties
--
ferromagnetic resonance
--
spin-wave resonance
--
magnetoimpedance
--
magnetic field
sensors
Аннотация:
The rectangular elements in magnetoimpedance (MI) configuration with a specific nanocomposite laminated structure based on FeNi and Cu layers were prepared by lift-off lithographic process. The properties of such elements are controlled by their shape, the anisotropy induced during the deposition, and by effects associated with the composite structure. The characterizations of static and dynamic properties, including MI measurements, show that these elements are promising for sensor applications. We have shown that competition between the shape anisotropy and the in-plane induced anisotropy of the element material is worth taking into account in order to understand the magnetic behavior of multilayered rectangular stripes. A possibility of the dynamic methods (ferromagnetic and spin-wave resonance) to describe laminated planar elements having a non-periodic modulation of both structure and magnetic parameters of a system is demonstrated. We show that the multilayered structure, which was originally designed to prevent the development of a “transcritical” state in magnetic layers and to reach the required thickness, also induces the effects that hinder the achievement of the goal, namely an increase in the perpendicular magnetic anisotropy energy.
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Держатели документа:
Institute of Natural Sciences and Mathematics, Ural Federal University, 620002 Ekaterinburg, Russia
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 660036 Krasnoyarsk, Russia
School of Space and Information Technology, Siberian Federal University, 660041 Krasnoyarsk, Russia
Applied Physics Department, Reshetnev Siberian State University of Science and Technology, 660037 Krasnoyarsk, Russia
Доп.точки доступа:
Melnikov, Grigory Yu.; Vazhenina, I. G.; Важенина, Ирина Георгиевна; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Boev, N. M.; Боев, Никита Михайлович; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Svalov, Andrey V.; Kurlyandskaya, Galina V.
}
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13.
Magnetoresistive effect in
bulk composites 1-2-3 YBCO+CuO and 1-2-3 YBCO+BaPb(1-x)SnxO(3) and their application as magnetic field
sensors
at 77 K / D. A. Balaev [et al.]> // Supercond. Sci. Technol. - 2004. -
Vol. 17
,
Is. 1
. - P. 175-181,
DOI
10.1088/0953-2048/17/1/031. - Cited References: 27 . - ISSN 0953-2048
РУБ
Physics, Applied + Physics, Condensed Matter
Рубрики:
PHASE-SLIP
SUPERCONDUCTOR
TEMPERATURE
YBA2CU3O7-DELTA
TRANSITION
Кл.слова (ненормированные):
Ceramic materials
--
Composite materials
--
Critical current density (superconductivity)
--
High temperature operations
--
High temperature superconductors
--
Lead compounds
--
Magnetoresistance
--
Sensors
--
Yttrium barium copper oxides
--
High temperature superconductor ceramics
--
Magnetic field
sensors
--
Magnetoresistive effect
--
Transport current density
--
Oxide superconductors
Аннотация:
We have studied the magnetoresistive effect in bulk 1-2-3 YBCO + CuO and 1-2-3 YBCO + BaPb1-xSnxO3 composites prepared using the fast backing technique. We have found that the composites exhibit large magnetoresistance in low magnetic fields (< 100 Oe) for a broad temperature range. We have studied the experimental dependences of resistivity versus magnetic field at various transport current densities. The high-T-C superconductor (HTSC) based composites exhibit a much higher sensitivity to weak magnetic fields at liquid nitrogen temperature, compared to that for pure HTSC ceramics. This effect is attractive for practical applications and the composite materials can be used as active elements in magnetic field sensor devices.
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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Reshetnev Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
ИФ СО РАН
Kirensky Inst of Physics, 660036, Krasnoyarsk, Russian Federation
RSSAU, Krasnoyarsk 660014, Russian Federation
Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Shaihutdinov, K. A.; Popkov, S. I.; Попков, Сергей Иванович; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Petrov, M. I.; Петров, Михаил Иванович
}
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14.
Nonlinear-optical up and
down frequency-converting backward-wave metasensors and metamirrors / A. K. Popov [et al.]> //
Proceedings of SPIE - The International Society for Optical Engineering. - 2013. -
Vol. 8725
. - Ст. 87252E. - P. ,
DOI
10.1117/12.2015637 . - ISSN 0277-786X
Кл.слова (ненормированные):
Backward electromagnetic waves
--
Infrared nonlinear optical microsensors
--
Negativeindex metamaterials
--
Optical frequency up-conversion and parametric amplification
--
Optical remote sensing
--
Backward waves
--
Frequency-conversion process
--
Negative-index
--
Non-linear optical
--
Novel materials
--
Optical remote sensing
--
Parametric amplification
--
Short-pulse
--
Electromagnetic waves
--
Frequency converters
--
Nanotechnology
--
Natural frequencies
--
Optical materials
--
Sensors
--
Nonlinear optics
Аннотация:
A concept of a family of unique backward-wave photonic devices, such as frequency up and down converting nonlinear-optical mirrors,
sensors
, modulators, filters and amplifiers is proposed. Novel materials are considered, which support coexistence of ordinary and backward waves and thus enable enhanced nonlinear-optical frequency-conversion processes. Particular properties of short-pulse regime are investigated. В© 2013 SPIE.
Scopus
Доп.точки доступа:
Popov, A. K.; Попов, Александр Кузьмич; Nefedov, I. S.; Myslivets, S. A.; Мысливец, Сергей Александрович; Shalaev, M. I.; Slabko, V. V.; Слабко, Виталий Васильевич; Micro- and Nanotechnology
Sensors
, Systems, and Applications, Conference(5 ; Baltimore, MD)(29 April 2013 - 3 May 2013)
}
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15.
Phthalocyanine-carbon nanotube hybrid
materials: Mechanism of sensor response to ammonia from quantum-chemical point of view / P. Krasnov, V. Ivanova, D. Klyamer [et al.]> // Chemosensors. - 2022. -
Vol. 10
,
Is. 11
. - Ст. 479,
DOI
10.3390/chemosensors10110479. - Cited References: 64. - Studies of periodic hybrid materials were performed under the financial support of the Russian Science Foundation (grant 20-12-00175). Studies of the interaction parameters of ammonia molecules with phthalocyanines were carried out under the financial support of the Ministry of Science and Higher Education of the Russian Federation (N 121031700314-5) . - ISSN 2227-9040
Перевод заглавия:
Гибридные материалы фталоцианин-углеродные нанотрубки: механизм сенсорного отклика на аммиак с квантово-химической точки зрения
Кл.слова (ненормированные):
metal phthalocyanine
--
carbon nanotubes
--
quantum-chemical calculations
--
ammonia
sensors
Аннотация:
Quantum chemical calculations of the geometric and electronic structure of periodic hybrid compounds representing carbon nanotubes (10,0) with zinc phthalocyanine molecules ZnPc-xpy (x = 0, 1, 2, 4) on their surface and their interaction with ammonia were carried out to explain the dependence of the sensor response of the hybrid materials to ammonia on the number of substituents in the ZnPc-xpy macrocycle and to clarify the nature of the interaction between ammonia and phthalocyanine molecules. It was found that the key feature of these materials, which determines their sensor response toward ammonia, is the presence of an impurity band in the band gap of a carbon nanotube, formed by the orbitals of macrocycle atoms. When ammonia adsorbs through the formation of hydrogen bonds with the side atoms of phthalocyanine, the energy of this impurity band decreases. As a consequence, the electron population of the conduction band and, accordingly, the electrical conductivity of the hybrid materials become lower. Moreover, with an increase in the number of oxypyrene substituents in ZnPc-xpy, the interaction energy of ammonia increases and, as a result, the decrease in the energy of the impurity band becomes higher. These facts may explain recent experimental measurements of the parameters of the sensor response of similar hybrid materials to ammonia, where, in particular, it was shown that the sensor response is reversible, and its value increases with an increase in the number of oxypyrene substituents in the phthalocyanine macrocycle.
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Держатели документа:
International Research Center of Spectroscopy and Quantum Chemistry, Siberian Federal University, 26 Kirensky St., 660074 Krasnoyarsk, Russia
Nikolaev Institute of Inorganic Chemistry Siberian Branch of the Russian Academy of Sciences SB RAS, 3 Lavrentiev Ave., 630090 Novosibirsk, Russia
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 50/38 Akademgorodok, 660036 Krasnoyarsk, Russia
Доп.точки доступа:
Krasnov, P. O.; Ivanova, V.; Klyamer, D. D.; Fedorov, A. S.; Федоров, Александр Семенович; Basova, T. V.
}
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16.
Popov, A. K.
Remote sensing with nonlinear negative-index metamaterials / A. K. Popov, S. A. Myslivets> // Proceedings of SPIE - The International Society for Optical Engineering. - 2014. -
Vol. 9157
. - Ст. 91573B,
DOI
10.1117/12.2059728. - Cited References: 15. - This work was supported in parts by the Air Force Office of Scientific Research (Grant No FA950-12-1-298), by the National Science Foundation (Grant No ECCS-1346547) and by the Presidium of the Siberian Branch of the Russian Academy of Sciences (Grants No. 43 and No. 101). . - ISSN 978-16284. - ISSN 0277-786X
РУБ
Optics + Physics, Applied
Рубрики:
PARAMETRIC AMPLIFICATION
2ND-HARMONIC GENERATION
Кл.слова (ненормированные):
Optical remote sensing
--
Optical frequency up-conversion and parametric amplification
--
Negative refractive index metamaterials
--
Backward electromagnetic waves
--
Infrared nonlinear optical microsensors
Аннотация:
A concept of the remotely actuated and interrogated four-wave mixing photonic sensor, which employs the negative-index photonic materials, is described. Unique electromagnetic properties of such a metamaterial enable enhancement of frequency conversion and redirection of the signals which carry important information for environmental probing. Four-wave mixing process allows for independent engineering of resonantly enhanced optical nonlinearities and negative refractive index. © 2014 SPIE.
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Доп.точки доступа:
Myslivets, S. A.; Мысливец, Сергей Александрович; International Conference on Optical Fibre
Sensors
(23 ; 2014 ; Jun. ; 2 - 6 ; Santander, Spain); International conference on optical fibre
sensors
(23 ; 2014 ; Jun. ; 2-6 ; Santander, Spain)
}
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17.
Ratio fluorescent hybrid
probe for visualized fluorescence detection of H2O2 in vitro and in vivo / R. Dong, Y. Yao, D. Li [et al.]> // Sens. Actuators B: Chem. - 2020. -
Vol. 321
. - Ст. 128643,
DOI
10.1016/j.snb.2020.128643. - Cited References: 65. - The present work was supported by the National Natural Science Foundations of China (Grant No. 21671070 ), the project supported by the GDUPS (2018) for Prof. Bingfu LEI, the Project for Construction of High-level University in Guangdong Province of China, the Guangzhou Science & Technology Project , China (No. 201707010033 ), the Special Funds for the Cultivation of Guangdong College Students’ Scientific and Technological Innovation (No. 201910564035 ), and the National Undergraduate Innovation and Entrepreneurship Training Program granted for Riyue Dong . - ISSN 0925-4005
Перевод заглавия:
Соотношение флуоресценции в гибридных зондах для визуального детектирования флуоресценции H2O2 in vitro и in vivo
Кл.слова (ненормированные):
Si-O
--
QDs
--
Ag
--
Nanoclusters
--
Visualized fluorescence detection
--
H2O2 sensing in vivo and in vitro
Аннотация:
A silicon oxide quantum dots (Si-O QDs) and Ag nanoclusters hybrid nanosensing probe with dual-emission and small nanocrystals that acts as an “off-on” ratio fluorescent probe for hydrogen peroxide (H2O2) detection was developed. The probe was used to measure the H2O2 concentration generated by mitochondria in vitro via recording the I455/I680 fluorescence ratio. Furthermore, this hybrid probe was applied to monitor the wound-induced H2O2 in lettuce leaf, and realized the visualized fluorescence qualitative detection H2O2 in vivo via laser scanning confocal microscope. The working mechanism of the probe is also investigated. Inner filter effect (IFE) estimation, Fourier transform infrared (FTIR) spectra and high-resolution transmission electron microscopy (HRTEM) images were applied to study the quenching mechanism and recovering reason of Si-O QDs fluorescence. The results show that the blue fluorescence of Si-O QDs can be quenched by Ag NCs via the IFE and fluorescent resonance energy transfer (FRET) effect. After adding H2O2, the surface groups of Ag NCs was changed and the IFE and FRET effects between the Si-O QDs and Ag NCs are disabled, thus the quenched Si-O QDs luminescence can be regularly recovered.
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Держатели документа:
College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, China
Guangdong Laboratory of Lingnan Modern Agriculture, Guangzhou, 510642, China
Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, Guangzhou, 510642, China
SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk, 660036, Russian Federation
Доп.точки доступа:
Dong, R.; Yao, Y.; Li, D.; Zhang, H.; Li, W.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Liu, Y.; Lei, B.
}
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18.
Reflectometric measurement of
temperature using a single-mode–multimode–single-mode fiber-optic structure / A. Y. Igumenov, I. V. Mel'nikov, A. A. Afanas'ev [et al.]> // Tech. Phys. Lett. - 2022. -
Vol. 48
,
Is. 5
. - P. 227-229,
DOI
10.1134/S1063785022080016. - Cited References: 20 . - ISSN 1063-7850. - ISSN 1090-6533
Кл.слова (ненормированные):
fiber optics
--
fiber
sensors
--
reflectometry of optical fibers
--
multimode interference
Аннотация:
The possibility of using a single-mode–multimode–single-mode fiber-optic structure for remote measurement of temperature by an optical reflectometer is established. Experiments on measuring temperature using a structure with a multimode-fiber length of 10 mm in the temperature range of 30–70°C at wavelengths of 1310 and 1550 nm have been performed. The total length of the single-mode fiber line for reflectometric measurements was 20 km.
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Публикация на русском языке
Рефлектометрическое измерение температуры с использованием оптоволоконной структуры "одномод–многомод–одномод" [Текст] / А. Ю. Игуменов, И. В. Мельников, А. А. Афанасьев [и др.] // Письма в Журн. техн. физ. - 2022. - Т. 48 Вып. 17. - С. 17-19
Держатели документа:
Moscow Institute of Physics and Technology, Dolgoprudnyi, 141701, Russian Federation
T8 LLC, Moscow, 107076, Russian Federation
Institute of Geosphere Dynamics, Russian Academy of Sciences, Moscow, 119334, Russian Federation
Moscow State University, Moscow, 119991, Russian Federation
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
LLC “Scientific and production company “Spetstechnauka”, Krasnoyarsk, 660000, Russian Federation
Доп.точки доступа:
Igumenov, A. Y.; Mel'nikov, I. V.; Afanas'ev, A. A.; Popova, S. S.; Lukinykh, S. N.; Tambasov, I. A.; Тамбасов, Игорь Анатольевич
}
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19.
Structural and magnetic
properties of FeNi films and FeNi-based trilayers with out-of-plane magnetization component / A. V. Svalov, A. N. Gorkovenko, A. Larranaga [et al.]> //
Sensors
. - 2022. -
Vol. 22
,
Is. 21
. - Ст. 8357,
DOI
10.3390/s22218357. - Cited References: 50. - This research was funded by the Russian Science Foundation (RSF), project no. 22-29-00980, https://rscf.ru/en/project/22-29-00980/ and in part by the Research Groups of the UPV-EHU . - ISSN 1424-8220
Кл.слова (ненормированные):
magnetic field
sensors
--
permalloy
--
crystal structure
--
perpendicular magnetic anisotropy
--
stripe domains
--
“transcritical” state
--
columnar microstructure
Аннотация:
FeNi films of different thickness and FeNi/(Fe, Co)/FeNi trilayers were prepared by magnetron sputtering deposition onto glass substrates. The permalloy films had a columnar microstructure. The detailed analysis of the magnetic properties based on the magnetic and magneto-optical measurements showed that at thicknesses exceeding a certain critical thickness, hysteresis loops acquire a specific shape and the coercive force of the films increase sharply. The possibility of the estimation of the perpendicular magnetic anisotropy constant using the Murayama equation for the thickness dependence of saturation field was demonstrated. The results of studies of the structural and magnetic properties of FeNi films laminated by Fe and Co spacers with different thickness are presented.
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Держатели документа:
Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, 620002, Russian Federation
Advanced Research Facilities (SGIKER), Universidad del Pais Vasco UPV-EHU, Bilbao, 48080, Spain
Kirensky Institute of Physics FRS KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Departamento de Electricidad y Electronica, Universidad del Pais Vasco UPV/EHU, Bilbao, 48080, Spain
Доп.точки доступа:
Svalov, A. V.; Gorkovenko, A. N.; Larranaga, A.; Volochaev, M. N.; Волочаев, Михаил Николаевич; Kurlyandskaya, G. V.
}
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20.
Study of dependence
upon the magnetic field and transport current of the magnetoresistive effect in YBCO-based bulk composites / D. A. Balaev [et al.]> // Supercond. Sci. Technol. - 2007. -
Vol. 20
,
Is. 6
. - P. 495-499,
DOI
10.1088/0953-2048/20/6/002. - Cited References: 25 . - ISSN 0953-2048
РУБ
Physics, Applied + Physics, Condensed Matter
Рубрики:
CERAMIC SUPERCONDUCTORS
DISSIPATION
TRANSITION
SENSORS
MOTION
FILMS
Кл.слова (ненормированные):
Current voltage characteristics
--
Lorentz force
--
Magnetic field effects
--
Magnetic flux
--
Magnetic
sensors
--
Magnetoresistance
--
Intergrain boundaries
--
Magnetic field sensor devices
--
Magnetoresistance curves
--
Magnetoresistive properties
--
Yttrium barium copper oxides
Аннотация:
The magnetoresistive properties of bulk YBCO + CuO and YBCO + BaPb0.75Sn0.25O3 composites for different orientations of external magnetic field H and macroscopic transport current j have been measured. These composites exhibit large magnetoresistance in weak magnetic fields (< 100 Oe), which makes them promising candidates for practical application in magnetic field sensor devices. The difference between.( T) dependences, magnetoresistance curves R( H) and current - voltage characteristics measured for H parallel to j and H || j is observed indicating the presence of the Lorentz- force- dependent dissipation in the composites. Angular dependences of magnetoresistance R(theta) ( where theta = angle H, j) of the composites in weak magnetic fields are found to be proportional to sin(2)theta. This fact suggests that the flux flow in the intergrain boundaries is responsible for the large magnetoresistive effect observed in the composites.
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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, 660036 Krasnoyarsk, Russian Federation
Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Prus, A. G.; Shaykhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Petrov, M. I.; Петров, Михаил Иванович
}
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