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兰州理工大学 [1]
长春光学精密机械与物... [1]
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会议论文 [2]
发表日期
2012 [2]
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发表日期:2012
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Effect of adding Cr on magnetic properties and metallic behavior in MnTe film (EI CONFERENCE)
会议论文
Wang Z. H.
;
Geng D. Y.
;
Gong W. J.
;
Li J.
;
Li Y. B.
;
Zhang Z. D.
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提交时间:2013/03/25
Mn1 - xCrxTe films with x = 0
0.02
and 0.05 was synthesized by pulsed laser deposition and crystallize in hexagonal NiAs-type structure. The spin glass behavior predicted before by Monte Carlo calculation is observed in the MnTe film. This behavior is destroyed by adding Cr in the MnTe film. The temperature dependence of magnetization shows a sharp rise at around 66 K
due to the magneto-elastic coupling. Metallic behavior is observed in the MnTe film in the temperature range 120-220 K
which is ascribed to the magnetic ordering. The metallic behavior disappears with adding Cr
because adding Cr ions destroys the magnetic ordering which is mediated by the sp-d exchange interaction between the Cr ions. 2012 Elsevier B.V.
Atomic diffusion of Al and Si in Cu44.25Ag 14.75Zr36Ti5 bulk metallic glass
会议论文
Wuhan, China, June 16, 2012 - June 17, 2012
作者:
Yu, Weiyuan
;
Wang, Youliang
;
Lu, Wenjiang
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提交时间:2020/11/15
Activation energy
Aluminum
Atoms
Machinery
Materials science
Metallic glass
Secondary ion mass spectrometry
Silicon
Zirconium
Arrhenius relations
Atomic diffusions
Base material
Bulk metallic glass
Diffusion activation energy
Diffusion mechanisms
Metal atoms
Metallic transition
Non-metallic elements
Secondary ion mass spectroscopy
Si atoms
Strong binding
Time condition
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