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Electronic band structure of low-temperature YB12, YB6 superconductors and layered YB2, MgB2 diborides

I. R. Shein, S. V. Okatov, N. I. Medvedeva, A. L. Ivanovskii

cond-mat.supr-conarXiv:cond-mat/0202015

Abstract

Electronic band structure of boron-rich low-temperature superconductors UB12-like dodecaboride YB12 and CaB6-like hexaboride YB6 are investigated using the first-principle FLMTO calculations and compared with one for layered YB2 and the new "medium-Tc" superconductor MgB2 diborides.

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