The Structure and Magnetic Properties of NiZn-Ferrite Films Deposited by Magnetron Sputtering at Room Temperature

Abstract:

NiZn-ferrite thin films were deposited onto silicon and glass substrates by radio frequency magnetron sputtering at room temperature. The effects of the relative oxygen flow ratio on the structure and magnetic properties of the thin films were investigated. The study results reveal that the films deposited under higher relative oxygen flow ratio show a better crystallinity. Static magnetic measurement results indicated that the saturation magnetization of the films was greatly affected by the crystallinity, grain dimension, and cation distribution in the NiZn-ferrite films. The NiZn-ferrite thin films with a maximum saturation magnetization of 151 emucm^-3, which is about 40% of the bulk NiZn ferrite, was obtained under relative oxygen flow ratio of 60%.

• Periodical: Advanced Materials Research (Volumes 690-693)
• Pages: 1702-1706
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.690-693.1702
• Online since: May 2013
• Authors: Shuang Jun Nie, Hao Geng, Jun Bao Wang, Lai Sen Wang, Zhen Wei Wang, Rui Xu, Guang Hui Yue, Yuan Zhi Chen, Dong Liang Peng
• Keywords: Crystallinity, Grain Size, NiZn-Ferrite Film, Room-Temperature Deposition

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