Effect of stress in copper ferrite thin films |
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Authors: | M. Ahmad M. Desai |
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Affiliation: | Department of Physics, IIT Bombay, Powai, Mumbai, 400076, India |
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Abstract: | Cubic copper ferrite thin films, obtained by rf sputtering on quartz and subsequent post-annealing and quenching, show a large coercivity of about 300–600 Oe. Stress measurements using X-ray diffraction show high value of stress of about 400–1000 MPa. Both the stress and coercivity are found to increase with the decrease of the thickness of the films. There appears to be a contribution of the stress to the coercivity of the films, in the in-plane M–H loops. |
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Keywords: | Stress Anisotropy Coercivity Copper ferrite Thin film |
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