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We report on the investigation of the Ti2GeC properties by X-ray diffraction, magnetic and electrical resistivity measurements. Polycrystalline samples of Ti2GeC with nominal compositions were prepared by solid state reaction. X-ray powder patterns suggest that all peaks can be indexed with the hexagonal phase of Cr2AlC prototype. The temperature dependence of both electrical resistivity and magnetization indicate a bulk type-II superconductivity at 9.5 K. Magnetoresistive data suggest an upper critical field of Bc2 -- 8.1 T and coherence length - 61 A° . Furthermore, the results highlight the highest critical temperature reported up to now for an H-phase.
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Czasopismo
Rocznik
Tom
Strony
92--97
Opis fizyczny
Bibliogr. 32 poz.
Twórcy
autor
autor
autor
autor
- Departamento de Engenharia de Materiais, Escola de Engenharia de Lorena -USP, P.O. BOX 116, Lorena - SP, 12600-970 Brazil
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPW7-0020-0074