高压
结晶学
材料科学
矿物学
化学工程
化学
工程物理
物理
工程类
作者
Shengwei Xin,Xianyue Han,Shaocun Liu,Zhongyuan Liu,Bin Xu,Yongjun Tian,Dongli Yu
标识
DOI:10.1016/j.jcrysgro.2010.09.067
摘要
Millimeter-sized single crystals of CaB6 are obtained by the reaction of B and Ca under 1 GPa and 950–1150 °C. The structure, chemical composition, and morphologies of the crystals are characterized by X-ray diffraction and field emission scanning electron microscopy with energy dispersion spectrometry. Investigation of the growth mechanism of CaB6 single crystals indicates that the growth temperature affects the shape of the crystals. Electric resistivity dependence tests of temperatures from 2 to 300 K show that CaB6 single crystals are conductive materials with semi-metallic behaviors.
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