二硅化二铑铕

二硅化二铑铕是一种无机化合物，化学式为EuRh2Si2。它可以以ThCr2Si2结构结晶。Z Hossain, O Trovarelli , C Geibel , F Steglich. Complex magnetic order in EuRh2Si2. Journal of Alloys and Compounds, 2001. 323-324. 396-399. .

制备及性质
它可由相应的元素高温反应制得。

它的磁跃迁温度为23.5 K和25 K。它的铕在常压下为+2价，M. Güttler; et al. Divalent EuRh2Si2 as a reference for the Luttinger theorem and antiferromagnetism in trivalent heavy-fermion YbRh2Si2. Nat Commun, 2019. 10. 796. .但在压力升高至1 GPa时发生价态转变Honda, Fuminori; Okauchi, Keigo; Nakamura, Ai; Aoki, Dai; Akamine, Hiromu; Ashitomi, Yousuke; Hedo, Masato; Nakama, Takao; Onuki, Yoshichika. Pressure evolution of characteristic electronic states in EuRh2Si2 and EuNi2Ge2. Journal of Physics: Conference Series (2017), 807. ，至8 GPa时接近完全转变为+3价。Akihiro Mitsuda; et al. Pressure and magnetic field effects on the valence transition of EuRh2Si2. Physica B: Condensed Matter, 2018. 536. 427-431. .

参考文献

Category:铕化合物
Category:铑化合物
Category:硅化物