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Electric Control of Spin Helicity in a Magnetic Ferroelectric | | Y. Yamasaki
; H. Sagayama
; T. Goto
; M. Matsuura
; K. Hirota
; T. Arima
; Y. Tokura
; | | Date: |
18 Jan 2007 | | Subject: | Strongly Correlated Electrons | | Abstract: | Magnetic ferroelectrics or multiferroics, which are currently extensively explored, may provide a good arena to realize a novel magnetoelectric function. Here we demonstrate the genuine electric control of the spiral magnetic structure in one of such magnetic ferroelectrics, TbMnO3. A spin-polarized neutron scattering experiment clearly shows that the spin helicity, clockwise or counter-clockwise, is controlled by the direction of spontaneous polarization and hence by the polarity of the small cooling electric field. | | Source: | arXiv, cond-mat/0701430 | | Other source: | [GID 303069] pmid17501309 | | Services: | Forum | Review | PDF | Favorites | |
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