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Influence of annealing temperature on magnetic properties of InFeP prepared by ion implantation
- Authors
- Zhou, L.; Shang, Y. X.; Yuldashev, Sh. U.; Kwon, Y. H.; Yang, W. C.; Yan, S. J.; Fu, D. J.; Kang, T. W.
- Issue Date
- 15-Aug-2013
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Ion implantation; Double exchange; Magnetic clusters
- Citation
- SURFACE & COATINGS TECHNOLOGY, v.228, no.SUPPL.1, pp S233 - S236
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- SURFACE & COATINGS TECHNOLOGY
- Volume
- 228
- Number
- SUPPL.1
- Start Page
- S233
- End Page
- S236
- ISSN
- 0257-8972
1879-3347
- Abstract
- InFeP layers were prepared by implantation of 5 x 10(16) Fe+/cm(2) into InP wafers followed by thermal annealing at 300-600 degrees C. The samples were studied by atomic force microscopy, magnetic force microscopy, and superconducting quantum interference device, which showed the existence of magnetic clusters on surface of samples annealed at high temperatures and clear ferromagnetic behavior with a Curie temperature exceeding room temperature. High temperature annealing tends to degrade the magnetic properties. The ferromagnetism of the Fe-implanted InP samples is interpreted by double exchange of d-electrons in the impurity band and ferromagnetic clusters (InFe alloy, Fe or Fe3P). (C) 2012 Elsevier B.V. All rights reserved.
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Related Researcher
- Yang, Woo Chul
- College of Natural Science (Department of Physics)