Atomic and electronic structures of Zr-(Co,Ni,Cu)-Al metallic glasses
Atomic and electronic structures of Zr-(Co,Ni,Cu)-Al metallic glasses
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Zr-(Co,Ni,Cu)-Al金属玻璃的原子和电子结构
DOI:
10.1063/1.4734390
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发表时间:
2012-07
影响因子:
4
通讯作者:
Xi, X. K.
中科院分区:
文献类型:
--
作者:
Yuan, C. C.;Shen, X.;Cui, J.;Gu, L.;Yu, R. C.;Xi, X. K.
The atomic and electronic structures of transition metal-metalloid based Zr60Co(Ni,Cu)28Al12 bulk metallic glasses (MGs) are probed by 27Al nuclear magnetic resonance (NMR) spectroscopy. The magnitude and evolution of 27Al isotropic shifts indicate that the Fermi level moves toward a minimum upon transition metal 3d sub-band filling and provides experimental evidence for pd hybridization bonding mechanism, which is further supported by the observation of Co L23 edges, and the prepeaks near Al L23 and K edges in electron energy loss spectroscopy. This investigation provides insight into the bonding mechanisms in MGs, which are relevant for understanding of their mechanical behaviors.
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DOI:
10.1016/0022-5088(82)90203-x
发表时间:
1982-07
期刊:
Journal of The Less Common Metals
影响因子:
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通讯作者:
A. Pasturel;P. Hicter;F. Cyrot-Lackmann