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首页> 外文期刊>Physica, C. Superconductivity and its applications >Fermi surfaces and kink in the energy dispersion of Sr2RuO4
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Fermi surfaces and kink in the energy dispersion of Sr2RuO4

机译:费米表面和Sr2RuO4能量色散中的扭结

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摘要

We have performed a high-resolution angle-resolved photoemission spectroscopy on the monolayer strontium ruthenate Sr2RuO4, to elucidate the origin of the kink. We present the Fermi surface mapping and the detailed energy dispersions near the Fermi level. The kink was clearly observed for gamma Fermi surface sheet derived from the in-plane Ru 4d(xy) orbital. The kink of gamma Fermi surface sheet was still observed at points far from (0, pi), indicating a rather weak momentum dependence of the kink of Sr2RuO4. (c) 2006 Elsevier B.V. All rights reserved.
机译:我们已经对单层钌酸锶Sr2RuO4进行了高分辨率的角度分辨光发射光谱学,以阐明扭结的起源。我们介绍了费米表面映射和费米能级附近的详细能量色散。对于源自平面Ru 4d(xy)轨道的γ费米表面片,可以清楚地观察到扭折。仍在远离(0,pi)的点处观察到伽马费米表层的扭折,这表明Sr2RuO4的扭折的动量依赖性很小。 (c)2006 Elsevier B.V.保留所有权利。

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