Cage Adaption by High-Pressure Synthesis: The Clathrate-I Borosilicide Rb8B8Si38.
作者： Julia-Maria Hübner , Walter Jung , Marcus Schmidt , Matej Bobnar , Primož Koželj
DOI: 10.1021/ACS.INORGCHEM.0C02357
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摘要: Rb8B8Si38 forms under high-pressure, high-temperature conditions at p = 8 GPa and T 1273 K. The new compound (space group Pm3n, a 9.9583(1) A) is the second example for clathrate-I borosilicide. phase inert against strong acids bases thermally stable up to 1300 K ambient pressure. (Rb+)8(B-)8(Si0)38 electronically balanced, diamagnetic, shows semiconducting behavior with moderate Seebeck coefficient below 300 Chemical bonding analysis by electron localizability approach confirms description of as Zintl phase.
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