Spin chirality and electric polarization in multiferroic compounds RMn2O5 (R = Ho, Er)

Wakimoto S; Kimura H; Fukunaga M; Nishihata K; Takeda M; Kakurai K; Noda Y; Tokura Y

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Spin chirality and electric polarization in multiferroic compounds RMn2O5 (R = Ho, Er)

机译：多铁化合物RMn2O5（R = Ho，Er）中的自旋手性和电极化

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Polarized neutron diffraction experiments have been performed on multiferroic materials RMn2O5 (R = Ho, Er) under electric fields in the ferroelectric commensurate (CM) and the low-temperature incommensurate (LT-ICM) phases, where the former has the highest electric polarization and the latter has reduced polarization. It is found that, after cooling in electric fields down to the CM phase, the magnetic chirality is proportional to the electric polarization. Also we confirmed that the magnetic chirality can be switched by the polarity of the electric polarization in both the CM and LT-ICM phases. These facts suggest an intimate coupling between the magnetic chirality and the electric polarization. However, upon the transition from the CM to LT-ICM phase, the reduction of the electric polarization is not accompanied by any reduction of the magnetic chirality, implying that the CM and LT-ICM phases contain different mechanisms of the magnetoelectric coupling.

机译：在铁电相称（CM）和低温不相称（LT-ICM）相的电场下，对多铁性材料RMn2O5（R = Ho，Er）进行了极化中子衍射实验，其中前者具有最高的极化率，后者减少了极化。发现在电场中冷却至CM相后，磁手征与极化成正比。我们还证实，在CM和LT-ICM相中，极性可以通过极化的极性来切换。这些事实表明磁手性和极化之间的紧密耦合。但是，在从CM相转变为LT-ICM相时，电极化的降低不会伴随磁手征的任何降低，这意味着CM和LT-ICM相包含磁电耦合的不同机制。

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《Physica, B. Condensed Matter》 |2009年第17期|共4页
作者
Wakimoto S; Kimura H; Fukunaga M; Nishihata K; Takeda M; Kakurai K; Noda Y; Tokura Y;
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正文语种 eng
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Multiferroic RMn2O5; Polarized neutron diffraction; Spin chirality;

机译：多铁RMn2O5;极化中子衍射;自旋手性;

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1. Spin chirality and electric polarization in multiferroic compounds RMn2O5 (R = Ho, Er) [J] . Wakimoto S, Kimura H, Fukunaga M, Physica, B. Condensed Matter . 2009,第17期

机译：多铁化合物RMn2O5（R = Ho，Er）中的自旋手性和电极化
2. Effect of Rare-Earth Ions on an Electric Polarization Induced by the Phase Separation Domains in RMn2O5 (R = Er, Tb) [J] . Khannanov B. Kh., Golovenchits E. I., Sanina V. A. Physics of the solid state . 2020,第2期

机译：稀土离子对RMN2O5（R = ER，TB）相分离域诱导的电极偏振的影响
3. Electric polarization, toroidal moment, spin canting, and chirality induced by Dzialoshinsky-Moriya interactions in a V_3 cluster analog of multiferroics [J] . Moisey I. Belinsky Physical review . 2011,第6期

机译：在多铁性化合物的V_3簇模拟中Dzialoshinsky-Moriya相互作用引起的电极化，超环矩，自旋倾斜和手性
4. EFFECT OF HYDROGENATION ON SPIN-REORIENTATION PHASE TRANSITIONS IN R_2Fe_(14)BH_x (R = Y, Ho, Er) COMPOUNDS [C] . I. S. Tereshina, G. S. Burkhanov, O. D. Chistyakov, NATO Advanced Research Workshop on Hydrogen Materials Science and Chemistry of Carbon Nanomaterials . 2004

机译：氢化对R_2Fe_（14）BH_X（R = Y，HO，ER）化合物的旋转重新定位相转变的影响
5. Spin frustration, ferroelectricity and spin-lattice coupling in multiferroic rare earth manganites. [D] . dela Cruz, Clarina Reloj. 2006

机译：多铁性稀土锰矿中的自旋失意，铁电和自旋-晶格耦合。
6. Enhancing oxygen evolution efficiency of multiferroic oxides by spintronic and ferroelectric polarization regulation [O] . Xiaoning Li, Huan Liu, Zezhi Chen, -1

机译：通过自旋电子和铁电极化调节提高多铁氧化物的氧气释放效率
7. Spin chirality and electric polarization in multiferroic compounds $R$Mn$_2$O$_5$ ($R=$Ho, Er) [O] . Wakimoto, S., Kimura, H., Fukunaga, M., 2009

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8. Spin-Reorientation Phenomenon in Pseudobinary (Pr1-xRx) CO5 Compounds (R =Sm,Gd,Dy,Tb,Ho and Er) as Determined by ac Susceptibility Measurements [R] . Ma, B. M., Boltich, E. B., Sankar, S. G., 1991

机译：通过交流磁化率测量确定的假双（pr1-xRx）CO5化合物（R = sm，Gd，Dy，Tb，Ho和Er）中的自旋重定向现象

Spin chirality and electric polarization in multiferroic compounds RMn2O5 (R = Ho, Er)

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