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Magnetic and Structural Properties of RF Sputtered Polycrystalline Lithium Mixed Ferrimagnetic Films
並列摘要
Compounds with Mn, Ti and Zn have been added to Li ferrite to decrease the magnetic moment of this soft ferrimagnetic compound. Ferrimagnetic compounds with smaller saturation magnetic moments are useful in microwave applications and in high-density recording. These ferrimagnetic films have been deposited on Al2O3 polycrystalline substrates at different Ar/O2 pressures and at different substrate temperatures. Some of the films deposited at lower temperatures in Ar gas only were annealed in oxygen to improve their properties. The magnetic and structural properties of these films depend on the substrate temperature, oxygen partial pressure and the post deposition annealing conditions. The coercivity of films increases with the deposition temperature, oxygen partial pressure, annealing time duration and annealing temperature. The ferrimagnetic films with higher coercivities can be used in high-density magnetic recording media.
並列關鍵字
無資料延伸閱讀
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