Journal
PHYSICAL REVIEW LETTERS
Volume 105, Issue 18, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.105.187601
Keywords
-
Categories
Funding
- MEXT Japan [22740214]
- JSPS
- Grants-in-Aid for Scientific Research [22740214] Funding Source: KAKEN
Ask authors/readers for more resources
We propose a microscopic theory for magnetic switching of electric polarization (P) in the spin-spiral multiferroics by taking TbMnO(3) and DyMnO(3) as examples. We reproduce their phase diagrams under a magnetic field H(ex) by Monte Carlo simulation of an accurate spin model and reveal that competition among the Dzyaloshinskii-Moriya interaction, spin anisotropy, and spin exchange is controlled by the applied H(ex), resulting in magnetic transitions accompanied by reorientation or vanishing of P. We also discuss the relevance of the proposed mechanisms to many other multiferroics such as LiCu(2)O(2), MnWO(4), and Ni(3)V(2)O(4).
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available