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Título: | Antiferromagnetic versus spin-glass like behavior in MnIn2S4 |
Autor: | Sagredo, V.; Morón, M. Carmen CSIC ORCID; Betancourt, Lorena; Delgado, G. E. | Palabras clave: | Semimagnetic semiconductor Spin glass Spinel |
Fecha de publicación: | 2007 | Editor: | Elsevier | Citación: | Journal of Magnetism and Magnetic Materials 312(2): 294-297 (2007) | Resumen: | The low-temperature magnetic properties of MnIn2S4 have been studied using AC magnetic susceptibility and magnetization experiments. High-temperature susceptibility fits indicate the presence of antiferromagnetic interactions. Low-field magnetization data show a peak at 5.6±0.1 K, below which strong irreversibility is observed between zero-field-cooled (ZFC) and field-cooled (FC) cycles suggesting that the observed peak corresponds to a spin-glass-like transition instead of the antiferromagnetic one previously reported. Further evidence of this magnetic state comes from AC susceptibility data at different frequencies. The in-phase component χ′(T) exhibits the behavior expected of spin glasses, i.e. a shift of the cusp to higher temperatures for higher frequencies. | URI: | http://hdl.handle.net/10261/128828 | DOI: | 10.1016/j.jmmm.2006.10.609 | Identificadores: | doi: 10.1016/j.jmmm.2006.10.609 issn: 0304-8853 |
Aparece en las colecciones: | (ICMA) Artículos |
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