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EFFECTS OF SPUTTEREDArPRESSURE AND SUBSTRATE TEMPERATURE ON THE MICROSTRUCTURE AND MAGNETIC PROPERTIES OFCr/SmCo5/CrFILMS

Author

Listed:
  • CONGMIAN ZHEN

    (College of Physics Science and Information Engineering, Hebei Normal University, Hebei Shijiazhuang 050016, China)

  • JINJUAN ZHANG

    (College of Physics Science and Information Engineering, Hebei Normal University, Hebei Shijiazhuang 050016, China)

  • LI MA

    (College of Physics Science and Information Engineering, Hebei Normal University, Hebei Shijiazhuang 050016, China)

  • DENGLU HOU

    (College of Physics Science and Information Engineering, Hebei Normal University, Hebei Shijiazhuang 050016, China)

  • YING LIU

    (College of Physics Science and Information Engineering, Hebei Normal University, Hebei Shijiazhuang 050016, China)

  • SHIQIANG LI

    (Department of Physics, College of Science, Hebei University of Science and Technology, Hebei shijiazhuang 050018, China)

Abstract

Cr/SmCo5/Crfilms were fabricated by a DC facing targets magnetron sputtering. The influences of sputteredArpressure and substrate temperature on their microstructure and magnetic properties were investigated. Magnetic measurements indicate that the optimal substrate temperature was 450°C, and the film deposited at 2 PaArpressure had the largest in-plane coercivity (2403.54 Oe). NoSmCo5diffraction peaks exceptCr(110) peak with body-centered-cubic structure were seen in all the samples by X-ray diffusion. The Needle-like grains of the film deposited at lowArpressure were observed by atomic force microscope. The domain pattern of the film fabricated at 2 PaArpressure showed more uniform. When the sputteredArpressure was 2 Pa, the narrowest switching field distribution (0.57) was obtained, indicating a narrower grain size distribution. TheδMvalue was nearly zero for the film deposited at 2 PaArpressure, and this indicated that there was almost noninteraction between grains.

Suggested Citation

  • Congmian Zhen & Jinjuan Zhang & Li Ma & Denglu Hou & Ying Liu & Shiqiang Li, 2008. "EFFECTS OF SPUTTEREDArPRESSURE AND SUBSTRATE TEMPERATURE ON THE MICROSTRUCTURE AND MAGNETIC PROPERTIES OFCr/SmCo5/CrFILMS," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 15(01n02), pages 105-109.
    • Handle: RePEc:wsi:srlxxx:v:15:y:2008:i:01n02:n:s0218625x08011056
    DOI: 10.1142/S0218625X08011056
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