Zobrazeno 1 - 10
of 730
pro vyhledávání: '"Varykhalov, A."'
Autor:
Geldiyev, B., Ünzelmann, M., Eck, P., Kißlinger, T., Schusser, J., Figgemeier, T., Kagerer, P., Tezak, N., Krivenkov, M., Varykhalov, A., Fedorov, A., Nicolaï, L., Minár, J., Miyamoto, K., Okuda, T., Shimada, K., Di Sante, D., Sangiovanni, G., Hammer, L., Schneider, M. A., Bentmann, H., Reinert, F.
We study the interplay of lattice, spin and orbital degrees of freedom in a two-dimensional model system: a flat square lattice of Te atoms on a Au(100) surface. The atomic structure of the Te monolayer is determined by scanning tunneling microscopy
Externí odkaz:
http://arxiv.org/abs/2308.02372
Autor:
Krivenkov, Maxim, Sajedi, Maryam, Marchenko, Dmitry, Golias, Evangelos, Muntwiler, Matthias, Rader, Oliver, Varykhalov, Andrei
Phosphorene, a 2D allotrope of phosphorus, is technologically very appealing because of its semiconducting properties and narrow band gap. Further reduction of the phosphorene dimensionality may spawn exotic properties of its electronic structure, in
Externí odkaz:
http://arxiv.org/abs/2304.13456
Autor:
Singha, Ratnadwip, Dalgaard, Kirstine J., Marchenko, Dmitry, Krivenkov, Maxim, Rienks, Emile D. L., Jovanovic, Milena, Teicher, Samuel M. L., Hu, Jiayi, Salters, Tyger H., Lin, Jingjing, Varykhalov, Andrei, Ong, N. Phuan, Schoop, Leslie M.
Publikováno v:
Science Advances 9, eadh0145 (2023)
Colossal magnetoresistance (MR) is a well-known phenomenon, notably observed in hole-doped ferromagnetic manganites. It remains a major research topic due to its potential in technological applications. Though topological semimetals also show large M
Externí odkaz:
http://arxiv.org/abs/2208.05466
Autor:
Sajedi, Maryam, Krivenkov, Maxim, Marchenko, Dmitry, Sánchez-Barriga, Jaime, Chandran, Anoop K., Varykhalov, Andrei, Rienks, Emile D. L., Aguilera, Irene, Blügel, Stefan, Rader, Oliver
The formation of large polarons has been proposed as reason for the high defect tolerance, low mobility, low charge carrier trapping and low nonradiative recombination rates of lead halide perovskites. Recently, direct evidence for large-polaron form
Externí odkaz:
http://arxiv.org/abs/2203.15070
Autor:
Borisenko, Sergey, Fedorov, Alexander, Kuibarov, Andrii, Bianchi, Marco, Bezguba, Volodymyr, Majchrzak, Paulina, Hofmann, Philip, Baumgärtel, Peter, Voroshnin, Vladimir, Kushnirenko, Yevhen, Sanches-Barriga, Jaime, Varykhalov, Andrey, Ovsyannikov, Ruslan, Morozov, Igor, Aswartham, Saicharan, Feya, Oleg, Harnagea, Luminita, Wurmehl, Sabine, Kordyuk, Alexander, Yaresko, Alexander, Berger, Helmuth, Büchner, Bernd
Publikováno v:
Nat Commun 13, 4132 (2022)
Fermi surfaces, three-dimensional (3D) abstract interfaces that define the occupied energies of electrons in a solid, are important for characterizing and predicting the thermal, electrical, magnetic, and optical properties of crystalline metals and
Externí odkaz:
http://arxiv.org/abs/2105.15055
Autor:
Golias, E., Weschke, E., Flanagan, T., Schierle, E., Richardella, A., Rienks, E. D. L., Mandal, P. S., Varykhalov, A., Sánchez-Barriga, J., Radu, F., Samarth, N., Rader, O.
V-doped (Bi,Sb)$_2$Te$_3$ has a ten times higher magnetic coercivity than its Cr-doped counterpart and therefore is believed to be a superior system for the quantum anomalous Hall effect (QAHE). The QAHE requires the opening of a magnetic band gap at
Externí odkaz:
http://arxiv.org/abs/2010.07083
Autor:
Lei, Shiming, Teicher, Samuel M. L., Topp, Andreas, Cai, Kehan, Lin, Jingjing, Rodolakis, Fanny, McChesney, Jessica L., Krivenkov, Maxim, Marchenko, Dmitry, Varykhalov, Andrei, Ast, Christian R., Car, Roberto, Cano, Jennifer, Vergniory, Maia G., Ong, N. Phuan, Schoop, Leslie M.
New developments in the field of topological matter are often driven by materials discovery, including novel topological insulators, Dirac semimetals and Weyl semimetals. In the last few years, large efforts have been performed to classify all known
Externí odkaz:
http://arxiv.org/abs/2009.00620
Autor:
Kazakov, Alexander, Brzezicki, Wojciech, Hyart, Timo, Turowski, Bartłomiej, Polaczyński, Jakub, Adamus, Zbigniew, Aleszkiewicz, Marta, Wojciechowski, Tomasz, Domagala, Jaroslaw Z., Caha, Ondrej, Varykhalov, Andrei, Springholz, Gunther, Wojtowicz, Tomasz, Volobuev, Valentine V., Dietl, Tomasz
Publikováno v:
Phys. Rev. B 103, 245307 (2021)
Many conductors, including recently studied Dirac materials, show saturation of coherence length on decreasing temperature. This surprising phenomenon is assigned to external noise, residual magnetic impurities or two-level systems specific to non-cr
Externí odkaz:
http://arxiv.org/abs/2002.07622
Autor:
Chamorro, J. R., Topp, A., Fang, Y., Winiarski, M. J., Ast, C. R., Krivenkov, M., Varykhalov, A., Ramshaw, B. J., Schoop, L., McQueen, T. M.
Publikováno v:
APL Materials 7, 121108 (2019)
Layered heavy-metal square-lattice compounds have recently emerged as potential Dirac fermion materials due to bonding within those sublattices. We report quantum transport and spectroscopic data on the layered Sb square-lattice material LaCuSb$_{2}$
Externí odkaz:
http://arxiv.org/abs/2001.00703
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