Superconductivity of fullerides with composition AnInxGayC60 (A=K,Rb,Cs; n=2,3) synthesized from gallamsстатья
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Аннотация:The fullerides with composition AnInxGayC60 (A=K,Rb,Cs; n=2,3; x,y<1) have been synthesized by a new method using liquid alloys of metals with indium and gallium (gallams) at room temperature. It was found that the fulleride K2InxGayC60 is a superconductor with transition temperature Tc = 24.5 K that exceed Tc for K3C60 (19 K). The fulleride Rb2InxGayC60 is a superconductor with Tc = 26 K. The fullerides with composition Rb3InxGayC60 and Cs3InxGayC60 are not superconductors and crystallizes in orthorhombic lattice.