二碘化钆

二碘化钆
识别
CAS号 13814-72-7  checkY
性质
化学式 GdI2
摩尔质量 411.06 g·mol−1
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

二碘化钆是一种无机化合物,化学式为GdI2,是一种电子盐。它在276 K时具有铁磁性饱和磁化强度为7.3 μB;在接近室温时7 T下,具有很大的负磁阻(~70%)。[1]它可由碘化钆在高温反应得到:[2]

Gd + 2 GdI3 → 3 GdI2

它在高温(800 °C)下可以和氢气反应,得到GdI2H0.97[3]等碘氢化物。[4]

参考文献

  1. ^ K Ahn, C Felser, R Seshadri, R.K Kremer, A Simon. Giant negative magnetoresistance in GdI2. Journal of Alloys and Compounds. 2000-05,. 303-304: 252–256 [2022-07-08]. doi:10.1016/S0925-8388(00)00668-X. (原始内容存档于2022-01-23) (英语). 
  2. ^ François Nief. Non-classical divalent lanthanide complexes. Dalton Transactions. 2010, 39 (29): 6589 [2022-07-08]. ISSN 1477-9226. doi:10.1039/c001280g (英语). 
  3. ^ Michaelis, C.; Mattausch, H.; Simon, A. LnHal2Hn - new phases in the ternary system lanthanide​/halogen​/hydrogen. II: preparation. Zeitschrift fuer Anorganische und Allgemeine Chemie, 1992. 610: 23-27. ISSN 0044-2313.
  4. ^ C. Michaelis, W. Bauhofer, H. Buchkremer-Hermanns, R. K. Kremer, A. Simon, G. J. Miller. LnHal2Hn – Neue Phasen in den ternären Systemen Ln/Hal/H (Ln = Lanthanoid, Hal = Br, I) III. Physikalische Eigenschaften. Zeitschrift für anorganische und allgemeine Chemie. 1992-12, 618 (12): 98–106 [2022-07-08]. ISSN 0044-2313. doi:10.1002/zaac.19926180118. (原始内容存档于2022-07-11) (德语). 

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