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Publikováno v:
J. Phys.: Condens. Matter 31, 295601 (2019)
We investigate the effect of oxygen vacancies and hydrogen dopants at the surface and inside slabs of LaAlO3, SrTiO3, and LaAlO3/SrTiO3 heterostructures on the electronic properties by means of electronic structure calculations as based on density fu
Externí odkaz:
http://arxiv.org/abs/1803.01382
Publikováno v:
Phys. Rev. B 98, 094522 (2018)
The demonstration of a quasi-two-dimensional electron gas (2DEG) and superconducting properties in LaAlO$_3$/SrTiO$_3$ heterostructures has stimulated intense research activity in recent ten years. The 2DEG has unique properties that are promising fo
Externí odkaz:
http://arxiv.org/abs/1802.08569
Autor:
Pavlov, D. P., Piyanzina, I. I., Mukhortov, V. M., Balbashov, A. M., Tayurskii, D. A., Garifullin, I. A., Mamin, R. F.
The temperature dependence of the electrical resistivity of the heterostructures consisting of single crystalline LaMnO$_3$ samples with different crystallographic orientations covered by the epitaxial ferroelectric Ba$_{0.8}$Sr$_{0.2}$TiO$_3$ film h
Externí odkaz:
http://arxiv.org/abs/1710.03967
Publikováno v:
J. Phys.: Condens. Matter 29, 095501 (2017)
The role of electronic correlation effects for a realistic description of the electronic properties of LaAlO3/SrTiO3 heterostructures as covered by the on-site Coulomb repulsion within the GGA+U approach is investigated. Performing a systematic varia
Externí odkaz:
http://arxiv.org/abs/1607.03945
Autor:
Lysogorskiy, Y. V., Krivenko, S. A., Mukhamedshin, I. R., Gilmutdinov, I. F., Nedopekin, O. V., Tayurskii, D. A.
Recently the unusual metallic state with a substantially non-uniform distribution of a charge and mag\-ne\-tic density in CoO$_2$ planes was found experimentally in the Na$_x$CoO$_2$ compound with $x>0.6$. We have investigated an origin of such elect
Externí odkaz:
http://arxiv.org/abs/1607.02074
Autor:
Piyanzina, I. I., Lysogorskiy, Yu. V., Varlamova, I. I., Kiiamov, A. G., Kopp, T., Eyert, V., Nedopekin, O. V., Tayurskii, D. A.
Publikováno v:
J. Low Temp. Phys. 185, 597-602 (2016)
Recently, it was established that a two-dimensional electron system can arise at the interface between two oxide insulators LaAlO3 and SrTiO3. This paradigmatic example exhibits metallic behaviour and magnetic properties between non-magnetic and insu
Externí odkaz:
http://arxiv.org/abs/1601.04009
The study of the adsorption phenomenon of helium began many decades ago with the discovery of graphite as a homogeneous substrate for investigation of physically adsorbed monolayer films. In particular, helium monoatomic layers on graphite were found
Externí odkaz:
http://arxiv.org/abs/1601.02868
In the present work we have performed an ab initio calculation of vibrational properties of CuTe2O5 by means of density functional theory method. One has compared calculated values with known experimental data on Raman and infrared spectroscopy in or
Externí odkaz:
http://arxiv.org/abs/1409.6133
Puzzling properties of sodium cobaltates Na${}_x$CoO${}_2$ become an issue of numerous recent theoretical and experimental investigations because of very high thermopower and intricate phase diagram of this material. Experiments indicated Na${}_{2/3}
Externí odkaz:
http://arxiv.org/abs/1204.3101