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二氢化铕

二氢化铕
英文名 Europium dihydride
Europium(II) hydride
别名 氢化亚铕
识别
CAS号 13814-78-3 SciFinder
性质
化学式 EuH2
摩尔质量 153.98 g·mol⁻¹
外观 暗红色粉末[1]
相关物质
其他阴离子 一氧化铕
氢氧化亚铕
二氯化铕
其他阳离子 二氢化钐
二氢化钆
相关化学品 三氢化铕[2]
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

二氢化铕最常见的氢化物,化学式为EuH2,其中铕为+2价,氢为-1价。[3]它是一种具有铁磁性半导体[4]

制备

二氢化铕可由氢气直接反应得到:[3]

Eu + H2 → EuH2

用途

EuH2可以作为Eu2+源,合成Eu2+掺杂的MOF材料[1]

参考文献

  1. ^ 1.0 1.1 Jens-Christoph Rybak, et al. Metal–Organic Framework Luminescence in the Yellow Gap by Codoping of the Homoleptic Imidazolate 3[Ba(Im)2] with Divalent Europium. J. Am. Chem. Soc., 2013, 135 (18), pp 6896–6902 DOI: 10.1021/ja3121718
  2. ^ Matsuoka, T.; Fujihisa, H.; Hirao, N.; Ohishi, Y.; Mitsui, T.; Masuda, R.; Seto, M.; Yoda, Y.; Shimizu, K.; Machida, A.; Aoki, K. Structural and valence changes of europium hydride induced by application of high-pressure H
    2
    . Physical Review Letters. 5 July 2011, 107 (2): 025501 [19 November 2016]. Bibcode:2011PhRvL.107b5501M. PMID 21797616. doi:10.1103/PhysRevLett.107.025501. (原始内容存档于2020-07-31).
     页面存档备份,存于互联网档案馆
  3. ^ 3.0 3.1 洪广言. 现代化学基础丛书 第36卷 稀土化学导论. 北京: 科学出版社, 2014. pp. 57-59. 3.2.4 稀土氢化物 ISBN 978-7-03-040581-4
  4. ^ Bischof, R.; Kaldis, E.; Wachter, P. Europium hydride (EuH2)​: a new ferromagnetic semiconductor. Journal of Magnetism and Magnetic Materials, 1983. Vol. 31-34. Issue 1. pp 255-6. DOI: 10.1016/0304-8853(83)90239-1
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二氢化铕
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