Superconductivity at 9.5 K in the Ti2GeC compound


Autoria(s): Bortolozo, A. D.; Sant'Anna, O. H.; dos Santos, C. A. M.; Machado, A. J. S.
Contribuinte(s)

UNIVERSIDADE DE SÃO PAULO

Data(s)

04/11/2013

04/11/2013

2012

Resumo

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 B-c2 similar to 8.1 T and coherence length similar to 61 A degrees . Furthermore, the results highlight the highest critical temperature reported up to now for an H-phase.

FAPESP [2009/00610-8, 2004/13267-6, 2005/1257-9]

FAPESP

Identificador

MATERIALS SCIENCE-POLAND, WROCLAW, v. 30, n. 2, supl. 1, Part 3, pp. 92-97, JUN, 2012

2083-1331

http://www.producao.usp.br/handle/BDPI/37938

10.2478/s13536-012-0013-4

http://dx.doi.org/10.2478/s13536-012-0013-4

Idioma(s)

eng

Publicador

OFICYNA WYDAWNICZA POLITECHNIKI WROCLAWSKIEJ

WROCLAW

Relação

MATERIALS SCIENCE-POLAND

Direitos

closedAccess

Copyright OFICYNA WYDAWNICZA POLITECHNIKI WROCLAWSKIEJ

Palavras-Chave #SUPERCONDUCTIVITY #CARBIDE #NANOLAMINATES #MAX PHASE #MECHANICAL-PROPERTIES #CRITICAL-FIELD #TI3SIC2 #TEMPERATURE #PHASES #OXIDATION #NB #MICROSTRUCTURE #DISLOCATIONS #CERAMICS #MATERIALS SCIENCE, MULTIDISCIPLINARY
Tipo

article

original article

publishedVersion