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硒化镓

硒化镓
识别
CAS号 12024-24-7
PubChem 165985
SMILES
 
  • [Se-2].[Se-2].[Se-2].[Ga+3].[Ga+3]
EC编号 234-693-8
性质
化学式 Ga2Se3
摩尔质量 376.33 g·mol−1
外观 黑色固体[1]
氣味 大蒜味
密度 5.203 g·cm−3[2]
熔点 1020 °C[2]
溶解性 反应
危险性
欧盟分类 未列出
NFPA 704
0
3
1
 
相关物质
其他阴离子 氧化镓
硫化镓
溴化镓
碲化镓
其他阳离子 硒化铝
硒化铟
相关化学品 一硒化镓
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

硒化镓的一种硒化物,化学式 Ga
2
Se
3

制备

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硒化镓可以由镓和在高温下直接反应而成。[2]

性质

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硒化镓是黑色固体。它是闪锌矿结构的,空间群 F43m (No. 216)。[2][3]硒化镓有两种结构。α-硒化镓在低温下稳定,为闪锌矿结构;而 β-硒化镓则是纤维锌矿结构的。它们的转变温度在 550 °C 至 600 °C之间。[4]

参考资料

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  1. ^ Datenblatt Gallium(III) selenide, 99.99% (metals basis) bei AlfaAesar, abgerufen am 2014-03-04.
  2. ^ 2.0 2.1 2.2 2.3 Georg Brauer (Hrsg.), unter Mitarbeit von Marianne Baudler u. a.: Handbuch der Präparativen Anorganischen Chemie. 3., umgearbeitete Auflage. Band I, Ferdinand Enke, Stuttgart 1975, ISBN 3-432-02328-6, S. 860.
  3. ^ ISBN 3540600353
    单击这里添加你的引用。如果你仍在编辑主页面文章,你可能需要在一个新窗口打开。
  4. ^ Harry Hahn, Wilhelm Klingler: Über die Kristallstrukturen von Ga2S3, Ga2Se3 und Ga2Te3. In: Zeitschrift für anorganische Chemie. 259, 1949, S. 135–142, doi:10.1002/zaac.19492590111.
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硒化镓
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