Ab Initio Study of L-edge X-ray Resonant Scattering from Chromium in Spin Density Wave State(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)

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概要

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• We propose X-ray diffraction analyses exploiting the L-edge resonant scattering in the spin density wave (SDW) phase of Cr metal. We predict that strong signals could be detected on satellite spots corresponding to the charge density wave (CDW), by an ab initio band structure calculation. The sinusoidal modulation of spin moment makes the SDW exchange potential different from site to site, and accordingly the 3d density of states (DOS) locally varies. The signal detects this modulation in the unoccupied part of the local 3d DOS. This new mechanism predicts the signal detectable even in the absence of CDW ordering. Analyzing the energy profile, we demonstrate that the L-edge RXS is a sensitive probe for studying unoccupied 3d states.

• 一般社団法人日本物理学会の論文
• 2006-01-15

著者

• Igarashi Junichi

  Faculty Of Science Ibaraki Univ.

• Takahashi Manabu

  Faculty Of Engineering Gunma University

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