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We refer to them as filling-enforced quantum band insulators (feQBIs) because their wave functions are associated with an essential degree of quantum entanglement. Like topological insulators, which also do not admit an atomic description, feQBIs need spin-orbit coupling for their realization. ...
The authors report on the band diagram for epitaxial Schottky junctions of ferromagnetic metallic oxides [half-metallic ferromagnet La0.6Sr0.4MnO3 (LSMO) and itinerant ferromagnet SrRuO3 (SRO)] on Nb-doped SrTiO3 (Nb:STO) semiconductor substrates using in situ photoemission spectroscopy. The ideal...
厘米 可能性 行骗 central a.中心的;主 change n.改变,变化; check vt.检查;制止 要的 零钱 n.检查 centre n.中心;中枢 channel n. 海峡;渠 cheek n.面颊,脸蛋 vt.集中 道;频道 cheer vt.使振作;欢 century n.世纪,百年 chapter n.章,回,篇呼 ceremony n.典礼,仪 character n.性格;特 cheerful ...
Spin-split conduction band in EuB_6 and tuning of half-metallicity with external stimuliWe report an Eu L_3-edge resonant inelastic x-rayKim... Kim,J.,W.,... - 《Physical Review B Condensed Matter & Materials Physics》 被引量: 0发表: 2013年 Spin-split conduction band in EuB6 and ...
Energy bands of dysprosium have been calculated considering the effects of correlation and spin-polarisation. The exchange and correlation contributions to the spherically symmetric crystalline potential have been taken in the forms suggested by (i) Kohn and Sham and (ii) Overhauser. The exchange and...
The energy and momentum resolution (≈0.01 eV and ≈0.01 1) is high enough to resolve the magnetically split bands at the Fermi level that are responsible for spin-dependent conductivity and tunneling. For theΣ1band we find the magnetic exchange splittingsδEex=0.27eV(0.23 eV for Ni),δ...
A link between the spin fluctuation and "fermiology" is explored for the single-band Hubbard model within the fluctuation exchange approximation. We show that the experimentally observed peak position of the spin structure in the high-Tc cuprates can be understood from the model that reproduces ...
The known band crossing in the positive-parity yrast band of Kr near ħω~=0.5 MeV may be due to a gneutron alignment, rather than a gproton ... J Döring,VA Wood,JW Holcomb,... - 《Phys Rev C Nucl Phys》 被引量: 27发表: 1995年 High-spin states in205Rn:A new shears band...
The results of tunnelling studies of the energy spectrum of two-dimensional (2D) states in a surface quantum well in a semiconductor with inverted band structure are presented. The energy dependence of quasimomentum of the 2D states over a wide energy range is obtained from the analysis of tunn...