Superconductivity and magnetism in the KxMoO2-delta


Autoria(s): Alves, L. M. S.; dos Santos, C. A. M.; Benaion, S. S.; Machado, A. J. S.; de Lima, B. S.; Neumeier, J. J.; Marques, M. D. R.; Aguiar, J. Albino; Mossanek, R. J. O.; Abbate, M.
Contribuinte(s)

UNIVERSIDADE DE SÃO PAULO

Data(s)

31/10/2013

31/10/2013

02/08/2013

Resumo

Coexistence between superconductivity and magnetism is reported for the KxMoO2-delta samples. Photoemission experiments show that the presence of Mo3+ ions is responsible for the weak ferromagnetic ordering observed in the KxMoO2-delta samples. Magnetic ordering temperature and superconducting critical temperature (T-C) ratio range from 7 to 18 in this compound. These are the highest ratios reported so far for a magnetic superconductor. T-C decreases with increasing potassium composition (x). For the first time, T-C near 10 K is reported in the K-Mo-O system. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4757003]

FAPESP [2009/14524-6, 2009/54001-2, 2010/06637-2]

FAPESP

CNPq [508308/2010-0, 309084/2010-5, 490182/2009-7]

CNPq

FACEPE

FACEPE [0589/1.05-08]

CAPES

CAPES

NSF [DMR-0907036]

NSF

Identificador

JOURNAL OF APPLIED PHYSICS, MELVILLE, v. 112, n. 7, supl. 1, Part 4, pp. 47-61, OCT 1, 2012

0021-8979

http://www.producao.usp.br/handle/BDPI/37000

10.1063/1.4757003

http://dx.doi.org/10.1063/1.4757003

Idioma(s)

eng

Publicador

AMER INST PHYSICS

MELVILLE

Relação

JOURNAL OF APPLIED PHYSICS

Direitos

restrictedAccess

Copyright AMER INST PHYSICS

Palavras-Chave #CRYSTAL-GROWTH #OXIDES #MOLYBDENUM #TRANSPORT #DIOXIDES #CEIRIN5 #MOO2 #GD #PHYSICS, APPLIED
Tipo

article

original article

publishedVersion