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of 120
pro vyhledávání: '"Youn, S. J."'
The effect of spin-orbit coupling on the electronic structure of the layered iron-free pnictide superconductor, SrPtAs, has been studied using the full potential linearized augmented plane wave method. The anisotropy in Fermi velocity, conductivity a
Externí odkaz:
http://arxiv.org/abs/1202.1604
Autor:
Youn, S. J., Freeman, A. J.
The electronic structures of BaAlGe and SrAlGe which are superconductors with hexagonal honeycomb layers have been studied by using a first principles method. Energy bands, Fermi surafces, and density of states are presented. The two materials have t
Externí odkaz:
http://arxiv.org/abs/1202.0818
Unlike other pnictides, SrPtAs has a hexagonal structure, containing layers with As-Pt atoms that form a honeycomb lattice. These layers lack inversion symmetry which allows for a spin-orbit coupling that we show has a dramatic effect on superconduct
Externí odkaz:
http://arxiv.org/abs/1111.5058
The origin of the stabilized simple-cubic (SC) structure in Po is explored by using the first principle band calculations. We have found that the prime origin is the inherent strong spin-orbit (SO) interaction in Po, which suppresses the Peierls-like
Externí odkaz:
http://arxiv.org/abs/cond-mat/0512168
The optical properties of YNi$_2$B$_2$C are studied by using the first-principles full-potential linearized augmented plane wave (FLAPW) method within the local density approximation. Anisotropic behavior is obtained in the optical conductivity, even
Externí odkaz:
http://arxiv.org/abs/cond-mat/0207147
We have performed an all-electron fully relativistic density functional calculation to study the magnetic properties of FeBr2. We show for the first time that the correlation effect enhances the contribution from orbital degrees of freedom of $d$ ele
Externí odkaz:
http://arxiv.org/abs/cond-mat/0112380
Based on electronic structure calculations, we have found that noble metal diborides, AgB2 and AuB2, are potential candidates for conventional BCS-type high temperature superconductors. B 2p density of states dominates at the Fermi level in compariso
Externí odkaz:
http://arxiv.org/abs/cond-mat/0106483
We have investigated electronic and magnetic properties of the pyrite-type CoS_2 using the linearized muffin-tin orbital (LMTO) band method. We have obtained the ferromagnetic ground state with nearly half-metallic nature. The half-metallic stability
Externí odkaz:
http://arxiv.org/abs/cond-mat/0001028
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