Yb5Rh4Ge10中Yb的价态

Physica Status Solidi (c) Pub Date : 2017-06-01 DOI:10.1002/PSSC.201600164

H. Sato, Y. Utsumi, K. Katoh, K. Mimura, S. Ueda, H. Yamaoka, A. Rousuli, M. Arita, K. Umeo, K. Shimada, H. Namatame, M. Taniguchi

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引用次数: 2

摘要

利用Yb5Rh4Ge10的三维硬x射线光发射光谱(HAXPES)和ybl3吸收光谱(XAS)研究了Yb5Rh4Ge10中随温度和压力变化的Yb价态。从Yb 3d HAXPES得到的平均价在300 K时估计为~ 2.78，在20 K时下降到~ 2.74。另一方面，在9.2 ~ 34.7 GPa的压力范围内，由Yb L3 XAS得到的Yb价在300 K时几乎是恒定的，为~ 2.81。

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Yb valence state in Yb5Rh4Ge10

Temperature- and pressure-dependent Yb valence state in Yb5Rh4Ge10 has been investigated by means of Yb 3d hard X-ray photoemission spectroscopy (HAXPES) and Yb L3 absorption spectroscopy (XAS). The mean Yb valence derived from the Yb 3d HAXPES is estimated to be ∼2.78 at 300 K and decreases to ∼2.74 at 20 K. On the other hand, the Yb valence deduced from the Yb L3 XAS at 300 K is almost constant with ∼2.81 in the pressure range between 9.2 and 34.7 GPa.

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Physica Status Solidi (c)

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