The crystal structure of the high temperature form of PuGa3
The crystal structure of the high temperature form of PuGa3
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PuGa3 高温形式的晶体结构
DOI：
10.1107/s0365110x65000658
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发表时间：
1965
期刊：
影响因子：
--
通讯作者：
R. Roof
中科院分区：
文献类型：
--
作者：
A. Larson;D. Cromer;R. Roof
Ellinger, Land & Struebing (1964) 最近报道了钚-镓系统的相图。其中列出的化合物包括 PuGa 3，它以高温和低温两种形式存在。低温形式具有NiaSn结构类型，具有层状abab---的密排六方结构。高温形式（室温下亚稳态）是本说明的主题。通过电弧熔化并缓慢冷却 Pu 和 Ga 的化学计量混合物来制备样品。即使合金缓慢冷却，高温相（由 Ellinger 等人，1964 年指定）也很容易保存到室温。
A phase diagram of the plutonium-gallium system was recently reported by Ellinger, Land & Struebing (1964). Among the compounds listed is PuGa 3, which exists in both a high temperature and a low temperature form. The low temperature form has the NiaSn structure type, a close packed hexagonal structure with layering abab---. The high temperature form (metastable at room temperature) is the subject of the present note. A specimen was prepared by arc melting and slowly cooling a stoichiometric mixture of Pu and Ga. The high temperature phase (designated/~'by Ellinger et al., 1964) is readily preserved to room temperature, even if the alloy is slowly cooled.