Ferromagnetism study of Co0.2Mg x Zn0.8-x O films prepared by the sol-gel method

Yow-Jon Lin; Chia Lung Tsai; Chia-Jyi Liu; Lance Horng; Yu-Tai Shih; Mu Shan Wang; Chuan Sheng Jhang; Chao Shien Huang

doi:10.1007/s10971-009-2009-z

Ferromagnetism study of Co_0.2Mg _x Zn_0.8-x O films prepared by the sol-gel method

Yow-Jon Lin, Chia Lung Tsai, Chia-Jyi Liu, Lance Horng, Yu-Tai Shih, Mu Shan Wang, Chuan Sheng Jhang, Chao Shien Huang

Research output: Contribution to journal › Article

9 Citations (Scopus)

Abstract

Co_0.2Mg _x Zn_0.8-x O films prepared with different molar ratio of magnesium acetate to zinc acetate were deposited on substrates by the sol-gel technique. X-ray diffraction, photoluminescence (PL) and ferromagnetism measurements were used to characterize the Co_0.2Mg _x Zn_0.8-x O diluted magnetic semiconductors. The acceptor-like defects were determined in the PL band and the intensity of the acceptor-related PL increased with increasing Mg concentration. Therefore, an increase in the number of the acceptor-like defects (zinc vacancies especially) in the Co_0.2Mg _x Zn_0.8-x O film may lead to the enhancement of the magnetic properties. It is worth noting that changes in Mg concentration and the number of the acceptor-like defects are important issues for producing strong ferromagnetism Co_0.2Mg _x Zn _0.8-x O films prepared by the sol-gel method.

Original language	English
Pages (from-to)	109-112
Number of pages	4
Journal	Journal of Sol-Gel Science and Technology
Volume	52
Issue number	1
DOIs	https://doi.org/10.1007/s10971-009-2009-z
Publication status	Published - 2009 Oct 1

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Chemistry(all)
Biomaterials
Condensed Matter Physics
Materials Chemistry

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Lin, Y-J., Tsai, C. L., Liu, C-J., Horng, L., Shih, Y-T., Wang, M. S., Jhang, C. S., & Huang, C. S. (2009). Ferromagnetism study of Co_0.2Mg _x Zn_0.8-x O films prepared by the sol-gel method. Journal of Sol-Gel Science and Technology, 52(1), 109-112. https://doi.org/10.1007/s10971-009-2009-z

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title = "Ferromagnetism study of Co0.2Mg x Zn0.8-x O films prepared by the sol-gel method",

abstract = "Co0.2Mg x Zn0.8-x O films prepared with different molar ratio of magnesium acetate to zinc acetate were deposited on substrates by the sol-gel technique. X-ray diffraction, photoluminescence (PL) and ferromagnetism measurements were used to characterize the Co0.2Mg x Zn0.8-x O diluted magnetic semiconductors. The acceptor-like defects were determined in the PL band and the intensity of the acceptor-related PL increased with increasing Mg concentration. Therefore, an increase in the number of the acceptor-like defects (zinc vacancies especially) in the Co0.2Mg x Zn0.8-x O film may lead to the enhancement of the magnetic properties. It is worth noting that changes in Mg concentration and the number of the acceptor-like defects are important issues for producing strong ferromagnetism Co0.2Mg x Zn 0.8-x O films prepared by the sol-gel method.",

author = "Yow-Jon Lin and Tsai, {Chia Lung} and Chia-Jyi Liu and Lance Horng and Yu-Tai Shih and Wang, {Mu Shan} and Jhang, {Chuan Sheng} and Huang, {Chao Shien}",

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T1 - Ferromagnetism study of Co0.2Mg x Zn0.8-x O films prepared by the sol-gel method

AU - Lin, Yow-Jon

AU - Tsai, Chia Lung

AU - Liu, Chia-Jyi

AU - Horng, Lance

AU - Shih, Yu-Tai

AU - Wang, Mu Shan

AU - Jhang, Chuan Sheng

AU - Huang, Chao Shien

PY - 2009/10/1

Y1 - 2009/10/1

N2 - Co0.2Mg x Zn0.8-x O films prepared with different molar ratio of magnesium acetate to zinc acetate were deposited on substrates by the sol-gel technique. X-ray diffraction, photoluminescence (PL) and ferromagnetism measurements were used to characterize the Co0.2Mg x Zn0.8-x O diluted magnetic semiconductors. The acceptor-like defects were determined in the PL band and the intensity of the acceptor-related PL increased with increasing Mg concentration. Therefore, an increase in the number of the acceptor-like defects (zinc vacancies especially) in the Co0.2Mg x Zn0.8-x O film may lead to the enhancement of the magnetic properties. It is worth noting that changes in Mg concentration and the number of the acceptor-like defects are important issues for producing strong ferromagnetism Co0.2Mg x Zn 0.8-x O films prepared by the sol-gel method.

AB - Co0.2Mg x Zn0.8-x O films prepared with different molar ratio of magnesium acetate to zinc acetate were deposited on substrates by the sol-gel technique. X-ray diffraction, photoluminescence (PL) and ferromagnetism measurements were used to characterize the Co0.2Mg x Zn0.8-x O diluted magnetic semiconductors. The acceptor-like defects were determined in the PL band and the intensity of the acceptor-related PL increased with increasing Mg concentration. Therefore, an increase in the number of the acceptor-like defects (zinc vacancies especially) in the Co0.2Mg x Zn0.8-x O film may lead to the enhancement of the magnetic properties. It is worth noting that changes in Mg concentration and the number of the acceptor-like defects are important issues for producing strong ferromagnetism Co0.2Mg x Zn 0.8-x O films prepared by the sol-gel method.

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