Advanced science.  Applied technology.


Hybrid Silicon and Carbon Clathrates: 9,564,633


A composition comprising a Type 1 clathrate of silicon having a Si.sub.46 framework cage structure wherein the silicon atoms on said framework are at least partially substituted by carbon atoms, said composition represented by the formula C.sub.ySi.sub.46-y with 1.ltoreq.y.ltoreq.45. The composition of may include one or more guest atoms A within the cage structure represented by the formula A.sub.xC.sub.ySi.sub.46-y wherein A=H, Li, Na, K, Rb, Cs, Fr, Be, Mg, Ca. Sr, Ba, Ra, Eu, Cl, Br, or I or any metal or metalloid element and x is the number of said guest atoms within said cage structure. 

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Kwai S. Chan; Michael A. Miller