Synthesis and Characterization of BaFe2As2 Single Crystals Grown by In-flux Technique



Título del documento: Synthesis and Characterization of BaFe2As2 Single Crystals Grown by In-flux Technique
Revista: Brazilian journal of physics
Base de datos: PERIÓDICA
Número de sistema: 000361841
ISSN: 0103-9733
Autores: 1
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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:
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
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