Microstructure and magnetic properties of strained Fe3O4 films

Yunzhong Chen, J. R. Sun, Y. N. Han, X. Y. Xie, J. Shen, C. B. Rong, S. L. He, B. G. Shen

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A comparable study of the microstructure and magnetic properties was performed for magnetite films deposited on (100)-oriented MgO and SrTiO3 (STO) substrates. The growth of strained high quality Fe3O4 films was confirmed by x-ray diffraction analysis and Raman spectroscopy measurements. The surface morphology and magnetic properties of the two films were found to be obviously different. Moreover, a stripelike magnetic domain structure was observed in the film on STO. Substrate-induced strain is believed to be responsible for these observations, which significantly affects the magnetic anisotropy and the magnetic coupling at the antiphase boundaries in the films. © 2008 American Institute of Physics.
Original languageEnglish
Article number07D703
JournalJournal of Applied Physics
Number of pages3
Publication statusPublished - 2008
Externally publishedYes


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