Magnetic phase diagram of the TbMn1-xFexO3 solid solution system

• Tipo: Artigo em Revista Científica Internacional
• Data: 2017

Autores

Mihalik, M (Autor) Outra; Mihalik, M (Autor) Outra; Jaglicic, Z (Autor) Outra; Vilarinho, R (Autor) Outra; Agostinho Moreira, JA (Autor) FCUP; Queiros, E (Autor) Outra; Tavares, PB (Autor) Outra; Almeida, A (Autor) FCUP; Zentkova, M (Autor) Outra

Revista

Título: Physica B: Condensed Matter

Vol. 506

Páginas: 163-167

ISSN: 0921-4526

Editora: Elsevier

Indexação

ISI Web of Knowledge - 16 Citações

Scopus - 15 Citações

Outras Informações

ID Authenticus: P-00M-K7Y

DOI: 10.1016/j.physb.2016.11.015

Abstract (EN): We present the magnetic phase diagram of TbMn1-xFexO3 substitutional solid solutions in the whole concentration range 0 <= x <= 1 as determined from magnetization and specific-heat measurements and as supported by already known magnetic structures published on this substitutional system. We have found that the dominant magnetic ion in the concentration range 0 <= x <= 0.2 is Mn, while Fe ions do not create an independent magnetic structure, but strongly affect the magnetic properties of the parent compound by suppressing the magnetic-ordering temperature as well as the magnetic order-order transition to a cycloidal phase. The magnetism in the concentration range 0.2 <= x <= 1 is driven by the Fe sublattice. The Mn ions again do not order in a long-range magnetic ordered state, but stabilize five magnetic phases of the Fe sublattice above 2 K. Magnetic ordering of the Tb sublattice is observed at temperatures below 8.2 K over entire concentration range.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 5