Dumbbells of Five-Connected Ge Atoms and Superconductivity in CaGe<sub>3</sub>
Abstract
CaGe<sub>3</sub> has been synthesized at high-pressure, high-temperature conditions. The atomic pattern comprises intricate germanium layers of condensed moleculelike dimers. Below <i>T</i><sub>c</sub> = 6.8 K, type II superconductivity with moderately strong electron–phonon coupling is observedSimilar works
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