Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Lezaic, Marjana"'
Motivated by the recently observed unconventional Hall effect in ultra-thin films of ferromagnetic SrRuO$_3$ (SRO) we investigate the effect of strain-induced oxygen octahedral distortion in the electronic structure and anomalous Hall response of the
Externí odkaz:
http://arxiv.org/abs/2101.03873
Autor:
Guan, Xiangxiang, Yao, Lide, Rushchanskii, Konstantin Z., Inkinen, Sampo, Yu, Richeng, Ležaić, Marjana, Sánchez, Florencio, Gich, Martí, van Dijken, Sebastiaan
Deterministic polarization reversal in ferroelectric and multiferroic films is critical for their exploitation in nanoelectronic devices. While ferroelectricity has been studied for nearly a century, major discrepancies in the reported values of coer
Externí odkaz:
http://arxiv.org/abs/1908.09691
Autor:
Jacobsson, Adam, Johansson, G., Gorbatov, O. I., Ležaić, Marjana., Sanyal, Biplab, Blügel, Stefan, Etz, Corina
The magnetic force theorem provides convenient ways to study exchange interactions in magnetic systems. However, it is well known that short range interactions in itinerant magnetic systems are poorly described with the conventional use of the theore
Externí odkaz:
http://arxiv.org/abs/1702.00599
Akademický článek
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We present a method of extracting the exchange parameters of the classical Heisenberg model from first-principles calculations of spin-spiral total energies based on density functional theory. The exchange parameters of the transition-metal monoxides
Externí odkaz:
http://arxiv.org/abs/1308.6466
Using density functional theory calculations, ultrathin films of SrVO3(d1) and SrCrO3(d2) on SrTiO3 substrates have been studied as possible multiferroics. Although both are metallic in the bulk limit, they are found to be insulating as a result of o
Externí odkaz:
http://arxiv.org/abs/1308.1558
Autor:
Zhang, Hongbin, Freimuth, Frank, Bihlmayer, Gustav, Ležaić, Marjana, Blügel, Stefan, Mokrousov, Yuriy
Publikováno v:
Phys. Rev. B 87, 205132 (2013)
Combining tight-binding models and first principles calculations, we investigate the quantum anomalous Hall (QAH) effect induced by intrinsic spin-orbit coupling (SOC) in buckled honeycomb lattice with sp orbitals in an external exchange field. Detai
Externí odkaz:
http://arxiv.org/abs/1301.4426
Publikováno v:
Phys. Rev. B 88, 134403 (2013)
We explore the derivation of interatomic exchange interactions in ferromagnets within density-functional theory (DFT) and the mapping of DFT results onto a spin Hamiltonian. We delve into the problem of systems comprising atoms with strong spontaneou
Externí odkaz:
http://arxiv.org/abs/1210.2375
Publikováno v:
Phys. Rev. B 85, 104109 (2012)
We present a systematic first-principles study of the structural and vibrational properties of perovskite-structure EuTiO3. Our calculated phonon spectrum of the high-symmetry cubic structural prototype shows strong M- and R-point instabilities, indi
Externí odkaz:
http://arxiv.org/abs/1207.6585
Publikováno v:
Ferroelectrics 426, Issue 1, 90-96 (2012)
We present a systematic first-principles study of the phonon spectrum of hexagonal YMnO3 in ferroelectric (multiferroic) phase. We investigated in detail the low-energy phonon modes, their dispersion, symmetry, as well as the infrared optical propert
Externí odkaz:
http://arxiv.org/abs/1207.6565