硫化亚铕
硫化亚铕是一种无机化合物,化学式为EuS。它是黑色粉末,在空气中稳定。在硫化亚铕中,铕的价态为+2价,而镧系元素通常显+3价。[1]硫化亚铕的居里温度为16.6 K,在此温度之下是铁磁性固体,在这之上显现出顺磁性。[2]EuS直至500 °C在空气中都是稳定的,继续加热会发生氧化反应。它在惰性环境中1470 °C分解。[3]
硫化亚铕 | |
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IUPAC名 europium(II) sulfide | |
别名 | 硫化铕(II) 一硫化铕 |
识别 | |
CAS号 | 12020-65-4 |
PubChem | 82809 |
性质 | |
化学式 | EuS |
184.03 g/mol g·mol⁻¹ | |
外观 | 黑色粉末 |
熔点 | 2250 °C(2523 K) |
磁化率 | +25,730;·10−6 cm3/mol |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
参考文献
- C. Housecroft. Inorganic Chemistry. 3rd. Essex, England: Pearson Education Limited, 2008. Print. ISBN 0-13-175553-6
- Zhao, F. Sun, H. Su, G. Gao, S. Small, Synthesis and Size-Dependant Magnetic Properties of Monodisperse EuS Nanocrystals. 2006 volume 2, No. 2, 244-248. doi:10.1002/smll.200500294
- Ananth K. P. Gielisse P.J. Rockett T.J. Mat. Res. Bull., Synthesis and Characterization of Europium Sulfide. 1974, volume 9, 1167-1172. doi:10.1016/0025-5408(74)90033-6
- Archer, R. D. Mitchel, W. N. Inorganic Syntheses, Europium (II) Sulfide. 1967, volume 10, 77-79. doi:10.1002/9780470132418
- Wells A.F. Structural Inorganic Chemistry. 5th. London, England: Oxford University Press, 1984. Print. ISBN 0-19-855370-6
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