|標題：Correlation between magnetic properties and the electronic structures of soft magnetic ternary Fe78−xYxB22 (x = 4–9) bulk metallic glasses|
|作品名稱||Correlation between magnetic properties and the electronic structures of soft magnetic ternary Fe78−xYxB22 (x = 4–9) bulk metallic glasses|
|著者||Liu, M. T.; Ray, S. C.; Tsai, H. M.; Pao, C. W.;
Ling, D. C.; Pong, W. F.; Chiou, J. W.; Tsai, M-H; Jang, L. Y.; Pi, T. W.; Lee, J. F.; Lin, C. Y.; Chin, T. S.
|出版者||Bristol: Institute of Physics Publishing Ltd.|
|著錄名稱、卷期、頁數||Journal of Physics: Condensed Matter 20(46), 465105(6pages)|
|摘要||Fe and Y K-edge extended x-ray absorption fine structure, Fe(Y) L3,2-edge (L3-edge) x-ray absorption near-edge structure (XANES) and valence-band photoemission spectroscopy (VB-PES) measurements have been carried out to study soft magnetic ternary Fe78−xYxB22 bulk metallic glasses (BMGs). The combined XANES and VB-PES results do not show broadening of the Fe 3d band to support the previous interpretation of the reduction of the magnetic moment in BMGs by Y-induced decrease of exchange splitting of Fe 3d orbitals. Instead, the density of delocalized/itinerant Fe 3d states in the vicinity of the Fermi level is found to be reduced by Y substitution, which reduces the strength of itinerant-states-mediated ferromagnetic coupling between local spins on the Fe ions and the total magnetic moment of the Fe-based BMGs.|
|通訊作者||Pong, W. F.|