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2005
Magnetic properties
D 9000
Relaxor Ferroelectricity and Colossal Magnetocapacitive Coupling in FerromagCdCr2S4. — As revealed by magnetic and dielectric measurements, the title com22- 016 netic
pound shows ferromagnetic order coexisting with relaxor ferroelectricity, both having
sizable ordering temperatures and moments. Close to the ferromagnetic ordering temperature, the magnetocapacitive coupling reaches colossal values, approaching 500%.
The simultaneous occurrence of ferromagnetism and ferroelectricity, combined with
an intimate coupling of magnetization and polarization via magnetocapacitive effects,
holds promise for new generations of electronic devices. — (HEMBERGER, J.;
LUNKENHEIMER, P.; FICHTL, R.; KRUG VON NIDDA, H.-A.; TSURKAN, V.;
LOIDL, A.; Nature (London, UK) 434 (2005) 7031, 364-367; Exp. Phys. VI, Inst.
Phys., Cent. Electron. Correl. Magn., Univ. Augsburg, D-86135 Augsburg, Germany;
Eng.) — W. Pewestorf
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