Linear relation between electric polarization and magnetic chirality in the commensurate phase of Mn $_{2}$ O $_{5}$ (Ho, Er)

Wakimoto, Shuichi ; Kimura, Hiroyuki*; Fukunaga, Mamoru*; Nishihata, Keisuke*; Takeda, Masayasu ; Kakurai, Kazuhisa; Noda, Yukio*; Tokura, Yoshinori*

Polarized neutron scattering experiments have been performed on multiferroic materials Mn $_{2}$ O $_{5}$ (Ho, Er) under electric fields to study the direct relation between the electric polarization and the magnetic chiral structure of Mn spins. It is found that, after cooling in electric fields down to temperatures where the system has both commensurate magnetic order and ferroelectricity, the magnetic chiral order parameter is proportional to the polarization.

Language	:	English
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Meeting title	:	Fundamental Physics of Ferroelectrics 2008 (Ferro 2008)
Held date	:	2008/02
Location (city)	:	Williamsburg
Location (country)	:	U.S.A.
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Keywords	:	no keyword
Research Facility	:	JRR-3M(研究炉3)
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Registration No. : BB20073067
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Linear relation between electric polarization and magnetic chirality in the commensurate phase of MnO (Ho, Er)

Linear relation between electric polarization and magnetic chirality in the commensurate phase of Mn $_{2}$ O $_{5}$ (Ho, Er)