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Browse Journals & Magazines > Applied Physics Letters ...> Volume:80 Issue:24 Help

Ferromagnetic properties of Zn1-xMnxO epitaxial thin films

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6 Author(s)
Jung, S.W. ; Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang 790-784, Korea ; An, S.-J. ; Gyu-Chul Yi ; Jung, C.U.
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We report on ferromagnetic characteristics of Zn1-xMnxO (x=0.1 and 0.3) thin films grown on Al2O3(00∙1) substrates using laser molecular-beam epitaxy. By increasing the Mn content, the films exhibited increases in both the c-axis lattice constant and fundamental band gap energy. The Curie temperature obtained from temperature-dependent magnetization curves was 45 K for the film with x=0.3, depending on the Mn composition in the films. The remanent magnetization and coercive field of Zn0.9Mn0.1O at 5 K were 0.9 emu/g and 300 Oe, respectively. For Zn0.7Mn0.3O, the remanent magnetization at 5 K increased to 3.4 emu/g. © 2002 American Institute of Physics.

Published in:
Applied Physics Letters  (Volume:80 ,  Issue: 24 )

Date of Publication: Jun 2002

Page(s):
4561 - 4563
ISSN :
0003-6951
Digital Object Identifier :
10.1063/1.1487927
Product Type:
Journals & Magazines
Date of Current Version :
18 June 2009
Issue Date :
Jun 2002

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