Enhancement of in-plane magnetic anisotropy in (111)-oriented Co0.8Fe2.2O4 thin film by deposition of PZT top layer
SCIE
SCOPUS
- Title
- Enhancement of in-plane magnetic anisotropy in (111)-oriented Co0.8Fe2.2O4 thin film by deposition of PZT top layer
- Authors
- Khodaei, M; Ebrahimi, SAS; Park, YJ; Ok, JM; Kim, JS; SON, JUNWOO; Baik, S
- Date Issued
- 2014-11
- Publisher
- SPRINGER
- Abstract
- The CoFe2O4 and Co0.8Fe2.2O4 single layer (CFO) as well as PZT/CoFe2O4 and PZT/Co0.8Fe2.2O4 bilayer thin films were grown using the pulsed laser deposition technique on Pt(111)/Si substrates at 600 degrees C. All films had a perfect (111)-orientation and the degree of orientation of CFO films was improved by the deposition of a PZT top layer. Precision X-ray diffraction analysis (avoiding the shift of peaks due to sample misalignment) revealed that the CFO films on Pt(111)/Si substrate were under an out-of-plane contraction and the deposition of a PZT top layer led to the increase in the out-of-plane contraction. The (111)-oriented CFO single layer films had a strong in-plane magnetic anisotropy as a result of orientation as well as the stress-induced magnetic anisotropy. The magnetic properties of CFO film were altered by the deposition of a PZT top layer leading to the enhancement of in-plane magnetic anisotropy. The enhanced in-plane magnetic anisotropy was more detectable in PZT/Co0.8Fe2.2O4 rather than PZT/CoFe2O4 bilayer film, which could be expected from its higher magnetocrystalline as well as magnetostriction constants.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/26787
- DOI
- 10.1007/S00339-014-8486-0
- ISSN
- 0947-8396
- Article Type
- Article
- Citation
- APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, vol. 117, no. 3, page. 1153 - 1160, 2014-11
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