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Abstract: Superconductivity in Mo3Sb7 is analyzed using the combined electronicstructure and phonon calculations, and the electron-phonon coupling constant\lambda {ph}=0.54 is determined from first principles. This value explains theexperimental value of the superconducting critical temperature T c=2.2 K. Thepossible influence of spin fluctuations and spin gap on the superconductivityin Mo3Sb7 is discussed, and electron-paramagnon interaction is found to beweak.



Author: Bartlomiej Wiendlocha, Janusz Tobola, Malgorzata Sternik, Stanislaw Kaprzyk, Krzysztof Parlinski, Andrzej M. Oles

Source: https://arxiv.org/







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