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http://dx.doi.org/10.5012/jkcs.2010.54.6.766

The Study on Magnetic Properties of Transition Metal Doped Semiconductor  

Kim, Jae-Uk (Department of Chemistry, School of Advanced Science and Basic Science Research Institude, Dankook University)
Cha, Byung-Kwan (Department of Chemistry, School of Advanced Science and Basic Science Research Institude, Dankook University)
Ji, Myoung-Jin (Department of Chemistry, School of Advanced Science and Basic Science Research Institude, Dankook University)
Kwon, Tae-Phil (Department of Chemistry, School of Advanced Science and Basic Science Research Institude, Dankook University)
Park, Byoung-Cheon (Department of Chemistry, School of Advanced Science and Basic Science Research Institude, Dankook University)
Kyoung, Dong-Hyoun (Department of Chemistry, School of Advanced Science and Basic Science Research Institude, Dankook University)
Jin, Hoon-Yeol (Department of Chemistry, School of Advanced Science and Basic Science Research Institude, Dankook University)
Kim, Seung-Hoi (Department of Chemistry, School of Advanced Science and Basic Science Research Institude, Dankook University)
Kim, Jong-Gyu (Department of Chemistry, School of Advanced Science and Basic Science Research Institude, Dankook University)
Publication Information
Abstract
This is the study of magnetic properties of transition metal doped diluted magnetic semiconductors(DMSs). The wurtzite structure samples were synthesized by the sol-gel method. The thermodynamic characteristics and magnetic properties of $Zn_{1-x}Co_xO$ single phase was investigated for different doping concentration (x = 0%, 1%, 2%, 3%, 4%, 5%, 10%, 15%). The property of diluted magnetic semiconductors has been comfirmed by X-ray diffraction (XRD), Scanning Electronic Microscope (SEM) and Vibrating sample magnetometer (VSM). The magnetic properties of pure $Zn_{1-x}Co_xO$ is found to be dominated by the ferromagnetic interaction between doped transition metal ions, where by the ferromagnetic coupling strength is simply increased with the concentration(>5%) of the doped transition metal.
Keywords
Transition metal; Wurtzite; Sol-gel method; Magnetic property;
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