Magnetic behaviour of CeCo2

• Tipo: Artigo em Revista Científica Internacional
• Data: 1999

Autores

Teresa Seixas (Autor) FCUP; Machado da Silva, JMM (Autor) FCUP

Revista

Título: Physica B: Condensed Matter

Vol. 269

Páginas: 362-367

ISSN: 0921-4526

Editora: Elsevier

Indexação

ISI Web of Knowledge - 16 Citações

Scopus - 16 Citações

Outras Informações

ID Authenticus: P-001-3HR

DOI: 10.1016/s0921-4526(99)00130-1

Abstract (EN): Magnetic measurements on CeCo2 show, for the first time in this compound, a modified Curie-Weiss behaviour for its magnetic susceptibility in the temperature range 4.5-300 K. The corresponding temperature independent magnetic susceptibility (chi(0)) is only slightly higher than that of alpha-Ce, indicating that the CeCo2 matrix behaves similarly to alpha-Ce, i.e., as an intermediate valence system with a high spin fluctuation temperature (T-sf). The temperature dependent Curie-Weiss term is associated with a reduced effective magnetic moment, which is attributed to Ce3+ magnetic ions in a concentration of about 3%.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 6