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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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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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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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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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    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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    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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    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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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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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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10.

    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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