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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 915-916Preparation, Optical and Magnetic Properties of...

Preparation, Optical and Magnetic Properties of Ni-Doped CuAlO₂ Nanocrystalline Films

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Abstract:

This letter reports the preparation of Ni doped CuAlO₂nanaocrystalline films on sapphire substrates by sol-gel processing and subsequent thermal treatment in vacuum. The crystalline phase in the films was identified to be the delafossite structure by X-ray diffraction. Field-emission scanning electron microscope (FESEM) shows the quasi-cubic shape architecture of the as-prepared CuAlO₂nanaocrystalline films. Upon increasing the band gaps of Ni-doped CuAlO₂nanaocrystalline films increased due to the Burstein-Moss shift. The influence of different Ni doped concentration on absorption spectrum and magnetic properties of CuAlO₂ films was discussed.

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Periodical:

Advanced Materials Research (Volumes 915-916)

Pages:

826-832

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.915-916.826

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Online since:

April 2014

Authors:

Juan Ding, Yong Ming Sui, Le Cheng Tian

Keywords:

Nanostructured Materials, Semiconductor, Sol-Gel Processes, Thin Film

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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