Magnetodielectric effect in Z-type hexaferrite
Abstract
The authors report on the magnetodielectric (MD) effect of Z-type hexaferrite Sr₃Co₂Fe₂₄O₄₁ at various temperatures and frequencies. A fairly large negative MD effect was observed with a peak near room temperature and a maximum at low frequencies. Analysis suggests that the MD effect shows a quadratic dependence on magnetization. The results were discussed by considering the magnetic field induced change of transverse conical spin structure and spin-phonon coupling. This work is helpful for understanding the MD effect in materials with complicated spin structures.
Copyright and License
© 2012 American Institute of Physics.
Funding
This work was supported by the 973 project (Grant No. 2009CB929202), National Science Foundation of China (Grant No. 50872065) and Tsinghua National Laboratory for Information Science and Technology (TNList) Cross-discipline Foundation.
Files
032901_1_online.pdf
Files
(1.1 MB)
| Name | Size | Download all |
|---|---|---|
|
md5:c360c7f50fbdd0761781045c1e0e1928
|
1.1 MB | Preview Download |
Additional details
Identifiers
- ISSN
- 1077-3118
Funding
- National Natural Science Foundation of China
- 50872065
Dates
- Available
-
2012-01-16published print
- Available
-
2012-01-17published online