Article,

Spin-phonon coupling in the incommensurate magnetic ordered phase of orthorhombic TmMnO3

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JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, (2021)
DOI: 10.1016/j.jpcs.2021.110044

Abstract

The search for materials with strong magnetoelectric coupling has been intense since interesting properties were discovered in the perovskite TbMnO3. Among the manganese-based perovskite family (RMnO3), magnetic and electric orders coexist in the orthorhombic phase of the distorted perovskite TmMnO3. The antiferromagnetic phase induces ferroelectricity, leading to type-II multiferroic behavior. Although the temperature-dependent behavior of the Raman-active phonons of other members of the orthorhombic RMnO3 family was already reported, little information about orthorhombic TmMnO3 has been published. In this paper, bulk sampl…(more)

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