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Magnetic and Transport Properties of Mn0.98Cr0.02Te Epitaxial Films Grown on Al2O3 Substrates
Z. H. Wang; D. Y. Geng; J. Li; Y. B. Li; Z. D. Zhang
2014
Source PublicationJournal of Materials Science & Technology
ISSN1005-0302
Volume30Issue:2Pages:103-106
AbstractThe epitaxial Mn0.98Cr0.02Te films on single crystal Al2O3 (0001) substrates were prepared by pulsed laser deposition. The X-ray diffraction and scanning electron microscopy results showed that the good continuous epitaxial film was obtained with substrate temperature of 500 degrees C. When the substrate temperature reached 700 degrees C, the film was island growth and the manganese oxides phase appeared. The temperature dependence of both the magnetization and electrical resistance showed a sharp rise at around 60 K due to the magnetoelastic coupling. The temperature dependence of the electrical resistance of Mn0.98Cr0.02Te provided evidence for a transition from the metallic to semiconducting state at 305 K due to the spin disorder scattering with a large contribution from the influence of magnon drag.
description.department[wang, z. h. ; geng, d. y. ; li, j. ; zhang, z. d.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [wang, z. h. ; geng, d. y. ; li, j. ; zhang, z. d.] chinese acad sci, int ctr mat phys, shenyang 110016, peoples r china. [li, y. b.] chinese acad sci, changchun inst opt fine mech & phys, changchun 130033, jilin, peoples r china. ; wang, zh (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; zhwang@imr.ac.cn
KeywordMagnetic Properties Mn0.98cr0.02te Films X-ray Diffraction Epitaxial Film Electronic-structure Mnte Mnse
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72501
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Z. H. Wang,D. Y. Geng,J. Li,et al. Magnetic and Transport Properties of Mn0.98Cr0.02Te Epitaxial Films Grown on Al2O3 Substrates[J]. Journal of Materials Science & Technology,2014,30(2):103-106.
APA Z. H. Wang,D. Y. Geng,J. Li,Y. B. Li,&Z. D. Zhang.(2014).Magnetic and Transport Properties of Mn0.98Cr0.02Te Epitaxial Films Grown on Al2O3 Substrates.Journal of Materials Science & Technology,30(2),103-106.
MLA Z. H. Wang,et al."Magnetic and Transport Properties of Mn0.98Cr0.02Te Epitaxial Films Grown on Al2O3 Substrates".Journal of Materials Science & Technology 30.2(2014):103-106.
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