Revista: | Brazilian journal of physics |
Base de datos: | PERIÓDICA |
Número de sistema: | 000361841 |
ISSN: | 0103-9733 |
Autores: | Garitezi, T.M1 Adriano, C1 Rosa, P.F.S1 Bittar, E.M2 Bufaical, L3 Almeida, R.L. de1 Granado, E1 Grant, T4 Fisk, Z4 Avila, M.A5 Ribeiro, R.A5 Kuhns, P.I6 Reyes, A.P6 Urbano, R.R6 Pagliuso, P.G1 |
Instituciones: | 1Universidade Estadual de Campinas, Instituto de Fisica "Gleb Wataghin", Campinas, Sao Paulo. Brasil 2Ministerio da Ciencia, Tecnologia e Inovacao, Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro. Brasil 3Universidade Federal de Goias, Instituto de Fisica, Goiania, Goias. Brasil 4University of California, Irvine, California. Estados Unidos de América 5Universidade Federal do ABC, Centro de Ciencias Naturais e Humanas, Santo Andre, Sao Paulo. Brasil 6Florida State University, National High Magnetic Field Laboratory, Tallahassee, Florida. Estados Unidos de América |
Año: | 2013 |
Periodo: | Ago |
Volumen: | 43 |
Número: | 4 |
Paginación: | 223-229 |
País: | Brasil |
Idioma: | Inglés |
Tipo de documento: | Artículo |
Enfoque: | Experimental, aplicado |
Resumen en inglés | We report a detailed characterization of BaFe2 As2 single crystals grown by a metallic In-flux technique, an alternative to well-established growth routes using FeAs self- or Sn-flux. Electrical resistivity, magnetic susceptibility, nuclear magnetic resonance, and energy dispersive spectroscopy measurements showed no evidence of flux incorporation. More importantly, our results demonstrate that BaFe2As2 single crystals grown by In-flux have extremely high quality. To explore the efficiency of the In-flux growth method, we have also prepared nearly optimally doped superconducting samples of Ba(Fe1−xMx )2As2 (M = Co, Cu, Ni, and Ru). Among other interesting features, this alternative chemical substitution method has led to enhancement of the maximum Tc for most dopings |
Disciplinas: | Física y astronomía |
Palabras clave: | Física de materia condensada, Antiferromagnetos, Superconductividad, Crecimiento de cristales |
Keyword: | Physics and astronomy, Condensed matter physics, Antiferromagnets, Superconductivity, Crystal growth |
Texto completo: | Texto completo (Ver HTML) |