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Large off-diagonal magnetoelectric coupling in the quantum paraelectric antiferromagnet EuTiO.sub.3./sub..
- 1.0342161 - FZÚ 2011 RIV US eng J - Journal Article
Shvartsman, V.V. - Borisov, P. - Kleemann, W. - Kamba, Stanislav - Katsufuji, T.
Large off-diagonal magnetoelectric coupling in the quantum paraelectric antiferromagnet EuTiO3.
Physical Review. B. Roč. 81, č. 6 (2010), 064426/1-064426/4. ISSN 1098-0121
R&D Projects: GA ČR(CZ) GA202/09/0682
Grant - others:STREP(XE) NMP3-CT-2006-032616
Institutional research plan: CEZ:AV0Z10100520
Keywords : multiferroics * magnetoelectric coupling
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 3.772, year: 2010
The third-order E2H2 magnetoelectric response of EuTiO3 changes sign under magnetic bias and shows a large anomaly at the antiferromagnetic-paramagnetic phasou boundary below TN=5.3 K. It is atributed to critical fluctuations of the antiferromagnetic order parameter reinforced by quantum paraelectric polar correlations.
Permanent Link: http://hdl.handle.net/11104/0184973
Number of the records: 1