High-Pressure Synthesis and Electronic Structure of a New Superconducting Strontium Germanide (SrGe<sub>3</sub>) Containing Ge<sub>2</sub> Dumbbells
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We obtained a new strontium germanide (SrGe3) by high-pressure and high-temperature synthesis. It was prepared at 13 GPa and 1100 °C. The space group and cell constants are I4/mmm (No. 139), a = 7.7800(8) Å, c = 12.0561(13) Å, and V = 729.74(17) Å3. SrGe3 crystallizes in the CaSi3 structure composed of Ge–Ge dumbbells and Sr2+ ions. SrGe3 is a type II superconductor with a transition temperature of 6.0 K.
创建时间：
2016-02-13
