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Electronic Structure of Co-Pt alloys Investigated by X-ray Absorption Near Edge Spectroscopy
Jeon, Yong-Seog 전주대학교 자연과학종합연구소 1998 전주대학교 자연과학연구소 학술논문집 Vol.11 No.1
We have studied the electronic structure of ion-beam-mixed and arc-melted Co-Pt alloys using x-ray absorption near-edge spectroscopy. In the Pt L3 absorption-edges the decrease of the white line area was attributed to an increase in the number of d-electrons at the Pt sites upon alloying with Co. The Co K near-edge region indicated that the Co 4p charges transferred away from the Co site. It is found that upon alloying there is an increase in the number of d electrons at the Pt site and a decrease in the number of P electrons at the Co site.