二硅化二铑铕
| 二硅化二铑铕 | |
|---|---|
| |
| 识别 | |
| CAS号 | 59763-56-3 
|
| 性质 | |
| 化学式 | EuRh2Si2 |
| 摩尔质量 | 413.95 g·mol−1 |
| 若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。 | |
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。[1]
制备及性质
[编辑]它可由相应的元素高温反应制得。[1]
它的磁跃迁温度为23.5 K和25 K。[1]它的铕在常压下为+2价，[2]但在压力升高至1 GPa时发生价态转变[3]，至8 GPa时接近完全转变为+3价。[4]
参考文献
[编辑]- ^ 1.0 1.1 1.2 Z Hossain, O Trovarelli , C Geibel , F Steglich. Complex magnetic order in EuRh2Si2. Journal of Alloys and Compounds, 2001. 323-324. 396-399. doi:10.1016/S0925-8388(01)01095-7.
- ^ 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. doi:10.1038/s41467-019-08688-y.
- ^ 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. doi:10.1088/1742-6596/807/2/022004
- ^ Akihiro Mitsuda; et al. Pressure and magnetic field effects on the valence transition of EuRh2Si2. Physica B: Condensed Matter, 2018. 536. 427-431. doi:10.1016/j.physb.2017.10.045.