Zobrazeno 1 - 10
of 173
pro vyhledávání: '"Sergey A. Ovsyannikov"'
Publikováno v:
Advanced Science, Vol 9, Iss 20, Pp n/a-n/a (2022)
Abstract Materials that can efficiently convert heat into electricity are widely utilized in energy conversion technologies. The existing thermoelectrics demonstrate rather limited performance characteristics at room temperature, and hence, alternati
Externí odkaz:
https://doaj.org/article/f7387f3803af4d7a87542172c423e8f7
Autor:
Sergey V. Ovsyannikov, Maxim Bykov, Elena Bykova, Konstantin Glazyrin, Rudra Sekhar Manna, Alexander A. Tsirlin, Valerio Cerantola, Ilya Kupenko, Alexander V. Kurnosov, Innokenty Kantor, Anna S. Pakhomova, Irina Chuvashova, Aleksandr I. Chumakov, Rudolf Rüffer, Catherine McCammon, Leonid S. Dubrovinsky
Publikováno v:
Nature Communications, Vol 9, Iss 1, Pp 1-11 (2018)
The charge order transition of commonly known magnetite has only recently been unraveled. Here, the measurement of the low-temperature high-pressure phase diagram of a related material (Fe4O5) elucidates the interplay of average oxidation state and c
Externí odkaz:
https://doaj.org/article/001b75cacfa74f56b513f450e93f57b6
Autor:
Junzhuang Cong, Kun Zhai, Yisheng Chai, Dashan Shang, Dmitry D. Khalyavin, Roger D. Johnson, Denis P. Kozlenko, Sergey E. Kichanov, Artem M. Abakumov, Alexander A. Tsirlin, Leonid Dubrovinsky, Xueli Xu, Zhigao Sheng, Sergey V. Ovsyannikov, Young Sun
Publikováno v:
Nature Communications, Vol 9, Iss 1, Pp 1-7 (2018)
Multiferroic binary oxides with the perovskite structure have been very rare. Here, Cong et al. report magnetically-driven ferroelectricity and a large magnetoelectric effect in a binary perovskite compound Mn2O3 at low temperatures.
Externí odkaz:
https://doaj.org/article/4208ca178e1940a0a74b54a0d2726731
Autor:
Sergey V. Ovsyannikov, Alexander E. Karkin, Igor V. Korobeinikov, Natalia V. Morozova, Maxim Bykov, Elena Bykova, Leonid Dubrovinsky
Publikováno v:
Dalton Transactions. 52:5563-5574
We synthesized single crystals of Fe4O5 under high-pressure high-temperature conditions. At ambient conditions they demonstrated a semimetal electrical conductivity with nearly equal partial contributions of electrons and holes.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::732306d8cf859b7892e93f157f82c418
https://doi.org/10.1039/d3dt00381g
https://doi.org/10.1039/d3dt00381g
Autor:
Natalia V. Morozova, Aleksandr Yu. Usik, Igor V. Korobeinikov, Alexander N. Titov, Sergey V. Ovsyannikov
Publikováno v:
Journal of Materials Chemistry C. 11:6071-6081
An abrupt semiconductor–metal transition in CuxTiSe2 single crystals with x ≤ 0.1 under a high pressure of 1–3 GPa has been revealed. Band gaps and their pressure coefficients of the crystals have been determined.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7d2549cd8b078f9df283483dbd86250
https://doi.org/10.1039/d3tc00210a
https://doi.org/10.1039/d3tc00210a
Autor:
Elena Bykova, Erik Johansson, Maxim Bykov, Stella Chariton, Hongzhan Fei, Sergey V. Ovsyannikov, Alena Aslandukova, Stefan Gabel, Hendrik Holz, Benoit Merle, Björn Alling, Igor A. Abrikosov, Jesse S. Smith, Vitali B. Prakapenka, Tomoo Katsura, Natalia Dubrovinskaia, Alexander F. Goncharov, Leonid Dubrovinsky
Publikováno v:
Chemistry of Materials. 34:8138-8152
Transition metal borides are known due to their attractive mechanical, electronic, refractive, and other properties. A new class of rhenium borides was identified by synchrotron single-crystal X-ray diffraction experiments in laser-heated diamond anv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fd08a70bb1fc013e6c3366b9136d6f77
https://doi.org/10.1021/acs.chemmater.2c00520
https://doi.org/10.1021/acs.chemmater.2c00520
Autor:
Samar Layek, Eran Greenberg, Stella Chariton, Maxim Bykov, Elena Bykova, Dmytro M. Trots, Alexander V. Kurnosov, Irina Chuvashova, Sergey V. Ovsyannikov, Ivan Leonov, Gregory Kh. Rozenberg
Publikováno v:
Journal of the American Chemical Society
The metal-insulator transition driven by electronic correlations is one of the most fundamental concepts in condensed matter. In mixed-valence compounds, this transition is often accompanied by charge ordering (CO), resulting in the emergence of comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3e9af08281cf63fc2f4775e17df1ffbb
https://doi.org/10.1021/jacs.2c00895
https://doi.org/10.1021/jacs.2c00895
Autor:
Saiana Khandarkhaeva, Timofey Fedotenko, Stella Chariton, Elena Bykova, Sergey V. Ovsyannikov, Konstantin Glazyrin, Hanns-Peter Liermann, Vitali Prakapenka, Natalia Dubrovinskaia, Leonid Dubrovinsky
Publikováno v:
Inorganic Chemistry. 61:1091-1101
Magnetite, Fe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3e008f1881e0958260210ddfd932adfc
https://doi.org/10.1021/acs.inorgchem.1c03258
https://doi.org/10.1021/acs.inorgchem.1c03258
Autor:
Alena Aslandukova, Andrey Aslandukov, Dominique Laniel, Saiana Khandarkhaeva, Gerd Steinle-Neumann, Timofey Fedotenko, Sergey V. Ovsyannikov, Yuqing Yin, Fariia Iasmin Akbar, Konstantin Glazyrin, Michael Hanfland, Leonid Dubrovinsky, Natalia Dubrovinskaia
Publikováno v:
Physical Review B. 107
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e66949027ba5f60e271108c5f474421d
https://doi.org/10.1103/physrevb.107.014103
https://doi.org/10.1103/physrevb.107.014103
Autor:
Stella Chariton, Saiana Khandarkhaeva, Igor V. Korobeynikov, Timofey Fedotenko, Leonid Dubrovinsky, Alexander A. Tsirlin, Andrey Aslandukov, Sergey V. Ovsyannikov, Alena Aslandukova, Natalia V. Morozova
Publikováno v:
Inorganic Chemistry. 60:13440-13452
We synthesized single crystals of marokite (CaMn2O4)-type orthorhombic manganese (II,III) oxide, γ-Mn3O4, in a multianvil apparatus at pressures of 10-24 GPa. The magnetic, electronic, and optical properties of the crystals were investigated at ambi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1b48b94cd7e74a357c80ceed60e8da62
https://doi.org/10.1021/acs.inorgchem.1c01782
https://doi.org/10.1021/acs.inorgchem.1c01782