Published November 2019 | Version v1
Journal article

Isotropic magnetoelectric effect in multiferroic material studied by resonant X-ray scattering

  • 1. High Energy Accelerator Research Organization (KEK), Institute of Materials Structure Science (IMSS), Tsukuba, Ibaraki (Japan)
  • 2. Tohoku University, Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Sendai, Miyagi (Japan)

Description

Isotropic ME effect was observed in multiferroic Tb1-xGdxMn2O5, where electric polarization reappears along the b axis as a response to application of a magnetic field along each crystallographic axis. This isotropic ME effect is distinct from those observed in other, RMn2O5 and multiferroic materials. Employing resonant X-ray scattering, we revealed that the isotropic ME effect is attributed to competition between two different magnetic ordering. In addition, measurement of oxygen spin polarization under magnetic field suggests that charge transfer between Mn and O ions have microscopic contribution to the ME effect. (author)

Availability note (English)

Available from https://www.jstage.jst.go.jp/browse/hamon/

Additional details

Additional titles

Original title (Japanese)
共鳴X線散乱を用いた等方的電気磁気効果の微視的機構の研究

Publishing Information

Journal Title
Hamon (Online)
Journal Volume
29
Journal Issue
4
Series
雑誌名:波紋
Journal Page Range
p. 167-170
ISSN
1884-636X

Optional Information

Notes
17 refs., 6 figs.