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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ikonnikov D. A., Myslivets S. A., Arkhipkin V. G., Vyunishev A. M.
Заглавие : 3D optical vortex lattices
Коллективы : Russian Science FoundationRussian Science Foundation (RSF) [19-12-00203]
Место публикации : Ann. Phys.-Berlin. - 2021. - Vol. 533, Is. 7. - Ст.2100114. - ISSN 0003-3804, DOI 10.1002/andp.202100114. - ISSN 1521-3889(eISSN)
Примечания : Cited References: 29. - This work was supported by the Russian Science Foundation (Grant No. 19-12-00203).The surface grating was fabricated and characterized at the Center for Collective Use of the Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences. The authors thank M. N. Volochaev and A. I. Zaitsev for help
Предметные рубрики: MANIPULATION
PARTICLES
ARRAY
BEAMS
GENERATION
TRANSPORT
VORTICES
Аннотация: Fresnel diffraction of light beams with a topological charge on a 2D regular amplitude transparency mask is studied. Numerical predictions show that the 3D optical lattices of optical vortices can be formed using the Talbot effect, with these predictions confirmed by the experimental reconstruction of all 3D optical vortex lattices. The periodicity of the 3D optical vortex lattices is determined by the light wavelength and periodicity of a transparency mask. Furthermore, it is shown that the optical vortices are created and annihilated during light propagation behind the mask with the preservation of the total topological charge. The 3D optical vortex lattices are considered to be tolerant to the perturbations induced by trapped particles caused by the features of the Talbot effect. The 3D optical vortex lattices open new possibilities for light-matter interactions and the related applications.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Freydman A. L., Popkov S. I., Semenov S. V., Turchin P. P.
Заглавие : A capacitive dilatometer for measuring the magnetostriction, piezoelectric effect, and lInear thermal-expansion coefficient
Коллективы : Russian Foundation for Basic Research; Government of Krasnoyarsk krai; Krasnoyarsk Krai Foundation for Support of Scientific and R D Activities [16-48-243040]; Russian Foundation for Basic Research [16-3800245]
Место публикации : Tech. Phys. Lett. - 2018. - Vol. 44, Is. 2. - P.123-125. - ISSN 1063-7850, DOI 10.1134/S1063785018020074. - ISSN 1090-6533(eISSN)
Примечания : Cited References:11. - This study was supported by the Russian Foundation for Basic Research, the Government of Krasnoyarsk krai, the Krasnoyarsk Krai Foundation for Support of Scientific and R& D Activities (project no. 16-48-243040) and the Russian Foundation for Basic Research (project no. 16-3800245).
Аннотация: We describe a capacitive dilatometer for measuring the magnetostriction, piezoelectric effect, and linear thermal-expansion coefficient in the temperature range from 1.85 to 350 K in external magnetic fields of up to 90 kOe under a voltage of 1 kV, which operates on the basis of a Quantum Design PPMS commercial facility for studying the properties of solids.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Petrov M. I., Balaev D. A., Shaikhutdinov K. A., Aleksandrov K. S.
Заглавие : A comparative study of transport properties of composites HTSC+MgTiO3 and HTSC + NiTiO3. The effect of paramagnetic NiTiO3
Коллективы : International conference on materials and mechanisms of superconductivity high temperature superconductors
Место публикации : Physica C-Superconductivity and its Applications. - 2000. - Vol. 341-348, Pt. 3. - P.1863-1864. - ISSN 0921-4534, DOI 10.1016/S0921-4534(00)01217-X
Ключевые слова (''Своб.индексиров.''): composite materials--copper oxides--josephson junction devices--magnesium compounds--nickel compounds--paramagnetism--superconductivity--thermal effects--transport properties--yttrium compounds--abrikosov vortices flow--superconductor insulator superconductor junction--thermally activated phase slippage--high temperature superconductors
Аннотация: Bulk composites Y3/4Lu1/4Ba2Cu3O7+NiTiO3 and Y3/4Lu1/4Ba2Cu3O7+MgTiO3 with insulator volume content 7.5% and 15% modelling a network of Superconductor-Insulator-Superconductor (S-I-S) junctions have been prepared. The ?(T) dependences of composites HTSC+MgTiO3 are described well by the mechanism of Thermally Activated Phase Slippage (TAPS). The anomalous behavior of resistivity ?(T) of HTSC+NiTiO3 composites manifesting as a kink on ?(T) curves at some temperature Tm have been observed. In the temperature range Tm < T < TC the dissipation is Ohmic while below Tm the CVCs are strongly non-linear. This peculiarity is interpreted as arisen owing to Abrikosov vortices flow.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : EDELMAN I. S., GALANOV E. K., KOKOV I. T., MALAKHOVSKII A. V., ANISTRATOV A. T.
Заглавие : ABSORPTION-SPECTRA AND FARADAY-EFFECT IN CS2NANDCL6 AND CS2NAPRCL CRYSTALS
Место публикации : Fiz. Tverd. Tela: MEZHDUNARODNAYA KNIGA, 1985. - Vol. 27, Is. 11. - P3467-3470. - ISSN 0367-3294
Примечания : Cited References: 8
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kartashev A. V., Flerov I. N., Volkov N. V., Sablina K. A.
Заглавие : Adiabatic calorimetric study of the intense magnetocaloric effect and the heat capacity of (La(0.4)Eu(0.6))(0.7)Pb(0.3)MnO(3)
Коллективы :
Разночтения заглавия :авие SCOPUS: Adiabatic calorimetric study of the intense magnetocaloric effect and the heat capacity of (La0.4Eu0.6)0.7Pb 0.3MnO3
Место публикации : Phys. Solid State: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2008. - Vol. 50, Is. 11. - P2115-2120. - ISSN 1063-7834, DOI 10.1134/S1063783408110188
Примечания : Cited References: 15. - This study was supported by the Council on Grants from the President of the Russian Federation for the Support of Leading Scientific Schools of the Russian Federation (NSh-1011.2008.2) and the Siberian Branch of the Russian Academy of Sciences ( Lavrent'ev Competition of Young Scientists Projects, grant no. 51) within the framework of the Integration Project no. 3.7 of the Siberian Branch of the Russian Academy of Sciences.
Предметные рубрики: LA0.7CA0.3MNO3
MANGANITES
Ключевые слова (''Своб.индексиров.''): 75--30--sg--75--40--cx
Аннотация: The temperature dependences of the intense magnetocaloric effect T (AD)(T, H) and the heat capacity C (p) (T) of the (La(0.4)Eu(0.6))(0.7)Pb(0.3)MnO(3) manganite are directly measured using adiabatic calorimetry. The experimental dependences T (AD)(T) are in satisfactory agreement with those calculated from the data on the behavior of the magnetization. The factors responsible for the absence of an anomaly in the experimental temperature dependence of the heat capacity C (p) (T) in the range of the magnetic phase transition are discussed.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Smolyakov D. A., Tarasov A. S., Bondarev M. A., Nikolskaya A. A., Vasiliev V. K., Volochaev M. N., Volkov N. V.
Заглавие : Admittance spectroscopy of dopants implanted in silicon and impurity state-induced AC magnetoresistance effect
Место публикации : Mater. Sci. Semicond. Process. - 2021. - Vol. 126. - Ст.105663. - ISSN 13698001 (ISSN), DOI 10.1016/j.mssp.2021.105663
Примечания : Cited References: 21. - This study was supported by the Government of the Russian Federation , Mega Grant for the Creation of Competitive World-Class Laboratories (Agreement no. 075-15-2019-1886)
Аннотация: A silicon structure doped with Ga using ion implantation has been investigated by admittance spectroscopy. It has been established that the presence of the Ga impurity, along with the B one, in the silicon structure leads to the appearance of the second peak in the temperature dependence of the real part of the impedance (admittance). Moreover, switching-on a magnetic field parallel to the sample plane shifts the singularities in the temperature curve to the high-temperature region. This results in the manifestation of both the positive and negative magnetoresistance effect upon temperature and magnetic field variation. It has been found by the standard admittance spectroscopy analysis of the impedance data that the energy structure of the investigated sample includes two interfacial energy levels ES1(0) = 42 meV and ES2(0) = 69.4 meV. As expected, these energies are consistent with the energies of B and Ga dopants. In a magnetic field, these levels increase by 3 meV for B and 2 meV for Ga, which induces the magnetoresistance effect. It has been demonstrated that the interfacial state-induced magnetoresistance effect can be tuned by ion implantation and dopant selection.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Aksenov S. V.
Заглавие : Manifestation of Majorana modes overlap in the Aharonov-Bohm effect
Место публикации : J. Phys. Condens. Matter. - 2022. - Vol. 34, Is. 25. - Ст.255301. - ISSN 1361648X (ISSN), DOI 10.1088/1361-648X/ac62a7
Примечания : Cited References: 52. - We acknowledge fruitful discussions with A D Fedoseev and M S Shustin. The reported study was funded by Russian Foundation for Basic Research (Project No. 20-02-00015), Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science to the research project ‘Study of edge states in one- and two-dimensional topological superconductors’ (No. 20-42-243005)
Аннотация: One of the key features of the Majorana bound states emerging in topological superconducting (SC) wires is increasing oscillations of their energy under the growth of magnetic field or chemical potential due to concomitant enhancement of hybridization of the Majorana mode wave functions initially localized at the opposite edges of the structure. In this study we found that the other consequence of it is a shift of Aharonov–Bohm (AB) oscillations of linear-response conductance in an interference device where two ends of the SC wire connected with a normal contact via non-SC wires (arms). In addition, it is accompanied by an oscillation period doubling. The numerical calculations for the spinful system are supported by the analytical results for different spinless models allowing to track the conductance evolution as the hybridization of the Majorana modes increases. It is shown that since the coupling between the different arms and normal contact is implemented only via the different-type Majoranas the AB oscillations acquire a fundamental π/2 shift in comparison with the effect for an analogous system of zero-energy quantum dots.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Parshin A. M., Zyryanov V. Ya., Shabanov V. F., Nazarov V. G., Lapanik V. I., Bezborodov V. S.
Заглавие : Aligning effect of magnetic field on PDLC films during the phase separation
Коллективы : XV International Symposium on Advanced Display Technologies
Место публикации : Proceedings of SPIE - The International Society for Optical EngineeringXV INTERNATIONAL SYMPOSIUM ON ADVANCED DISPLAY TECHNOLOGIES/ sponsors: SPIE Russia Chapter, P.N. Lebedev Physical Institute, Russia, Russian Foundation of Basic Research, Society for Information Display, Russia, European Office of Aerospace Research and Development ; XV International Symposium on Advanced Display Technologies (2006 ; 03.10 - 05.10 ; Moscow). - 2007. - 6637. - С. 66370B. - ISBN 0819467847, DOI 10.1117/12.742662 (Шифр 16957385)
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Altunin R. R., Moiseenko E. T., Zharkov S. M.
Заглавие : Effect of the structural properties on the electrical resistivity of the Al/Ag thin films during the solid-state reaction
Коллективы : Russian Science FoundationRussian Science Foundation (RSF) [18-13-00080]
Место публикации : Phys. Solid State. - 2020. - Vol. 62, Is. 4. - P.708-713. - ISSN 1063-7834, DOI 10.1134/S1063783420040034. - ISSN 1090-6460(eISSN)
Примечания : Cited References: 43. - This study was supported by the Russian Science Foundation, project no. 18-13-00080.
Предметные рубрики: LIGHT-EMITTING-DIODES
PHASE-FORMATION
AG
AL
DIFFUSION
SUPPRESSION
INTERFACE
SURFACE
GROWTH
HEAT
Аннотация: Based on the results of in situ electron diffraction study of the solid-state reaction and electrical resistivity measurements on the Al/Ag thin films with an atomic ratio of Al : Ag = 1 : 3, the temperature of the reaction onset has been established and a model of the structural phase transitions has been proposed. The solid-state reaction begins at 70°C with the formation of the Al–Ag solid solution at the interface between the aluminum and silver nanolayers. It has been found that, in the course of the reaction, the intermetallic compounds γ-Ag2Al → μ-Ag3Al are successively formed. It is shown that the possibility of the formation of the μ‑Ag3Al phase during the solid-state reaction in the Al/Ag thin films depends on the aluminum-to-silver ratio, while the formation of the μ-Ag3Al phase begins only after all fcc aluminum has reacted.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ovchinnikov S. G., Burkova L. V., Seredkin V. A., Yakovchuk V. Y.
Заглавие : An analysis of the mechanism of Kerr effect enhancement in Mn/Dy/Bi
Место публикации : Phys. Solid State: AMER INST PHYSICS, 1999. - Vol. 41, Is. 1. - P80-86. - ISSN 1063-7834, DOI 10.1134/1.1130733
Примечания : Cited References: 35
Предметные рубрики: ELECTRONIC-STRUCTURE
THIN-FILMS
MAGNETIC-PROPERTIES
RARE-EARTH
MAGNETOOPTICAL PROPERTIES
MNBI FILMS
STABILITY
GD
Аннотация: A study is reported of the structural, magnetic, and magneto-optic properties of Mn/Dy/Bi films obtained by multilayer technology. The maximum Kerr rotation angle in such films is shown to be theta(k) = 2.25 degrees. Possible reasons for such a large Kerr effect enhancement are considered, namely, an increase in the 6p - 3d transition probability caused by symmetry distortion, polarization of the Bi6p band, and a change in the density of states near the Fermi level. The latter reason has been analyzed by simulating the electronic structure of Mn/Dy/Bi through superposition of Dy levels on the MnBi band structure. This approach has revealed possible additional transitions which may be induced by the presence of a Dy buffer and could contribute to the Kerr magneto-optic effect. (C) 1999 American Institute of Physics. [S1063=7834(99)02001-8].
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11.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bataleva Y. V., Palyanov Y. N., Borzdov Y. M., Novoselov I. D., Bayukov O. A.
Заглавие : An effect of reduced S-rich fluids on diamond formation under mantle-slab interaction
Место публикации : Lithos. - 2019. - Vol. 336-337. - P.27-39. - ISSN 00244937 (ISSN), DOI 10.1016/j.lithos.2019.03.027
Примечания : Cited References: 73. - This work was supported by the Russian Science Foundation under Grant No. 14-27-00054 and a state assignment of IGM SB RAS. The authors thank S. Ovchinnikov for his assistance in implementation of the Mossbauer spectroscopy measurements.
Аннотация: Experimental study, dedicated to understanding the effect of S-rich reduced fluids on the diamond-forming processes under subduction settings, was performed using a multi-anvil high-pressure split-sphere apparatus in Fe3C-(Mg,Ca)CO3-S and Fe0-(Mg,Ca)CO3-S systems at the pressure of 6.3 GPa, temperatures in the range of 900–1600 °C and run time of 18–60 h. At the temperatures of 900 and 1000 °C in the carbide-carbonate-sulfur system, extraction of carbon from cohenite through the interaction with S-rich reduced fluid, as well as C0-producing redox reactions of carbonate with carbide were realized. As a result, graphite formation in assemblage with magnesiowüstite, cohenite and pyrrhotite (±aragonite) was established. At higher temperatures (≥1100 °C) formation of assemblage of Fe3+-magnesiowüstite and graphite was accompanied by generation of fO2-contrasting melts - metal-sulfide with dissolved carbon (Fe-S-C) and sulfide-oxide (Fe-S-O). In the temperature range of 1400–1600 °C spontaneous diamond nucleation was found to occur via redox interactions of carbide or iron with carbonate. It was established, that interactions of Fe-S-C and Fe-S-O melts as well as of Fe-S-C melt and magnesiowüstite, were С0-forming processes, accompanied by disproportionation of Fe. These resulted in the crystallization of Fe3+-magnesiowüstite+graphite assemblage and growth of diamond. We show that a participation of sulfur in subduction-related elemental carbon-forming processes results in sharp decrease of partial melting temperatures (~300 °C), reducting the reactivity of the Fe-S-C melt relatively to FeC melt with respect to graphite and diamond crystallization and decrease of diamond growth rate.
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12.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Mikhaleva E. A., Gorev M. V., Molokeev M. S., Kartashev A. V., Flerov I. N.
Заглавие : Anisotropy of piezocaloric effect at ferroelectric phase transitions in ammonium hydrogen sulphate
Коллективы : Fall Meeting, European Materials Research Society, European Materials Research Society, Warsaw University of Technology
Место публикации : E-MRS fall meeting: conference programme. - 2019. - Ст.E.P.4
Примечания : This work was supported by the Russian Science Foundation (RSF) grant (No. 19-72-00023)
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13.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Mikhaleva E. A., Gorev M. V., Molokeev M. S., Kartashev A. V., Flerov I. N.
Заглавие : Anisotropy of piezocaloric effect at ferroelectric phase transitions in ammonium hydrogen sulphate
Место публикации : J. Alloys Compd. - 2020. - Vol. 839. - Ст.155085. - ISSN 09258388 (ISSN), DOI 10.1016/j.jallcom.2020.155085
Примечания : Cited References: 31. - The reported study was supported by the Russian Science Foundation (project no. 19-72-00023 ). X-ray and dilatometric data were obtained using the equipment of Krasnoyarsk Regional Center of Research Equipment of Federal Research Center "Krasnoyarsk Science Center SB RAS"
Аннотация: The role of anisotropy of the thermal expansion in formation of piezocaloric effect (PCE) near ferroelectric phase transitions in NH4HSO4 was studied. Strong difference in linear baric coefficients and as a result in intensive and extensive PCE associated with the different crystallographic axes was found. PCE giving the main contribution to the barocaloric effect were determined at both phase transitions. Rather strong effect of the lattice dilatation on the tuning of PCE was observed. Comparative analysis of PCE at the phase transitions in different materials showed that NH4HSO4 can be considered as a promising solid-state refrigerant. A hypothetical cooling cycle based on alternate using uniaxial pressure along two axes was considered.
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14.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Rautskii M. V., Yakovlev I. A., Varnakov S. N., Tarasov A. S.
Заглавие : Anomalous hall effect in an epitaxial Mn5Ge3 thin film on Si(111)
Коллективы : Российская академия наук, Физико-технический институт им. Е.К. Завойского ФИЦ Казанского научного центра РАН, Казанский (Приволжский) федеральный университет, Euro-Asian Symposium "Trends in MAGnetism", "Trends in MAGnetism", Euro-Asian Symposium
Место публикации : VIII Euro-Asian symposium "Trends in magnetism" (EASTMAG-2022): Book of abstracts/ program com. S. G. Ovchinnikov [et al.]. - 2022. - Vol. 1, Sect.: Spintronics and magnetic nanostructures. - Ст.A.P34. - P.163-164. - ISBN 978-5-94469-051-7
Примечания : Cited References: 5. - Support by Russian Foundation for Basic Research, the Government of the Krasnoyarsk Territory
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15.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Jiang X., Molokeev M. S., Dong L., Dong Z., Wang N., Kang L., Li X., Li Y., Tian C., Peng S., Li W., Lin Z.
Заглавие : Anomalous mechanical materials squeezing three-dimensional volume compressibility into one dimension
Место публикации : Nat. Commun. - 2020. - Vol. 11, Is. 1. - Ст.5593. - ISSN 20411723 (ISSN), DOI 10.1038/s41467-020-19219-5
Примечания : Cited References: 49. - The authors acknowledge Zhuohong Yin for useful discussions and the experimental time provided by the 4W2 beam line of Beijing Synchrotron Radiation Facility (BSRF). This work was supported by the National Scientific Foundations of China (Grants 51702330, 11974360, 51872297, 51890864, 21975132, and 21991143), the Youth Innovation Promotion Association in CAS (Grant 2017035 for X.J.), Young Elite Scientist Sponsorship Program by CAST (YESS), and Fujian Institute of Innovation (FJCXY18010201) in CAS
Аннотация: Anomalous mechanical materials, with counterintuitive stress-strain responding behaviors, have emerged as novel type of functional materials with highly enhanced performances. Here we demonstrate that the materials with coexisting negative, zero and positive linear compressibilities can squeeze three-dimensional volume compressibility into one dimension, and provide a general and effective way to precisely stabilize the transmission processes under high pressure. We propose a “corrugated-graphite-like” structural model and discover lithium metaborate (LiBO2) to be the first material with such a mechanical behavior. The capability to keep the flux density stability under pressure in LiBO2 is at least two orders higher than that in conventional materials. Our study opens a way to the design and search of ultrastable transmission materials under extreme conditions.
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16.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kagan M.Yu., Val'kov V. V.
Заглавие : Anomalous resistivity and the electron-polaron effect in the two- band Hubbard model with one narrow band
Место публикации : arXiv. - 2011. - Ст.1111.3135
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17.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Starkov A. K., Zamay T. N., Savchenko A. A., Ingevatkin E. V., Titova N. M., Kolovskaya O. S., Luzan N. A., Silkin P. P., Kuznetsova S. A.
Заглавие : Antitumor effect of arabinogalactan and platinum complex
Место публикации : Dokl. Biochem. Biophys.: MAIK Nauka-Interperiodica / Springer, 2016. - Vol. 467, Is. 1. - P.92-94. - ISSN 16076729 (ISSN), DOI 10.1134/S1607672916020046
Примечания : Cited References: 7. - This study was supported by the Ministry of Education and Science of the Russian Federation (agreement no. 14.607.21.0104). This study was performed using the shared-access equipment center of the Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences.
Аннотация: The article presents the results of investigation of antitumor properties of platinum–arabinogalactan complex. We showed the ability of the complex to inhibit the growth of Ehrlich ascites tumor cells. It is found that the distribution of the platinum–arabinogalactan complex is not specific only for tumor cells in mice. The complex was found in all tissues and organs examined (ascites cells, embryonic cells, kidney, and liver). The mechanism of action of the arabinogalactan–platinum complex may be similar to cisplatin as the complex is able to accumulate in tumor cells. © 2016, Pleiades Publishing, Ltd.
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18.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Aplesnin S. S.
Заглавие : Effect of bond fluctuations on the transport properties of manganites and nickelates
Место публикации : J. Exp. Theor. Phys.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2007. - Vol. 104, Is. 5. - P766-774. - ISSN 1063-7761, DOI 10.1134/S1063776107050111
Примечания : Cited References: 26
Предметные рубрики: NEUTRON-DIFFRACTION
CHARGE DISPROPORTIONATION
ELECTRONIC-STRUCTURE
MAGNETIC ORDER
TRANSITIONS
PEROVSKITES
PRNIO3
GAP
Ключевые слова (''Своб.индексиров.''): crystal structure--manganites--optimization--thermal conductivity--thermal effects--bond fluctuations--nickelates--orthorhombic crystal structure--nickel compounds
Аннотация: For the manganites RMnO(3) (R = La, Pr, Nd), a mechanism is proposed to explain the anomalous temperature dependences of the kinetic coefficients, resistivity, and thermoelectric power during the transition from the pseudocubic O to the orthorhombic O' crystal structure. The contributions of the bending and stretching modes of the octahedron to the formation of thermal-conductivity maxima and to the deviation from the linear dependence of ln(rho/T) on 1/T at low temperatures have been estimated. In nickelates, the metal-insulator transition is caused by lattice-polaron pinning by the stretching mode of the octahedron, and the low-temperature anomaly of the thermal conductivity is related to electron scattering by the bending mode of the octahedron.
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19.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Aplesnin S. S., Khar'kov A. A., Sokolov V. V.
Заглавие : Gigantic magnetocapacitive effect into Yb[[d]]x[[/d]]Mn[[d]]1-x[[/d]]S
Коллективы : Euro-Asian Symposium "Trends in MAGnetism": Nanomagnetism
Место публикации : V Euro-Asian simposium "Trend in MAGnetism": Nanomagnetism: abstracts. - Vladivostok: FEFU, 2013. - С. 33. - ISBN 978-5-7444-3124-2
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20.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Aplesnin S. S., Sitnikov M. N.
Заглавие : Magnetocapacitance effect in GdxMn1–xS
Место публикации : Phys. Solid State: MAIK Nauka-Interperiodica / Springer, 2016. - Vol. 58, Is. 6. - P.1148-1153. - ISSN 10637834 (ISSN), DOI 10.1134/S1063783416060032
Примечания : Cited References: 15. - This study was supported by the Russian Foundation for Basic Research (project no. 15-42-04099 r_si-bir_a) and the Ministry of Education and Science of the Russian Federation (state contract no. 114090470016).
Предметные рубрики: Ferroelectricity
Аннотация: The capacitance and dielectric loss tangent of GdxMn1–xS (x ≤ 0.2) solid solutions have been measured at a frequency of 10 kHz without magnetic field and in a magnetic field of 8 kOe in the temperature range of 90–450 K. An increase in the permittivity and a dielectric loss maximum have been detected in the low-temperature region. It has been found that the temperature of the maximum of the imaginary part of the permittivity shifts to higher temperatures with increasing concentration. The magnetocapacitance effect has been revealed for two compositions. The dielectric loss has been described in the Debye model with “freezing” dipole moments and in the orbital-charge ordering model.
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