SHORT-RANGE ORDER EFFECTS ON COPPER L(3,2) TRANSITIONS IN CU-PD ALLOYS

被引：10

作者：

KRISHNAN, KM ^{[1
]}

MENON, ESK ^{[1
]}

HUANG, P ^{[1
]}

SINGH, PP ^{[1
]}

DEFONTAINE, D ^{[1
]}

机构：

[1] UNIV CALIF BERKELEY,DEPT MAT SCI & MINERAL ENGN,BERKELEY,CA 94720

来源：

APPLIED PHYSICS LETTERS | 1992年 / 60卷 / 14期

关键词：

D O I：

10.1063/1.107210

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The unoccupied d-electron density of states of a range of Cu1-xPdx (x = 0 - 0.35) alloys, based on measurements of copper L3,2 transitions in electron energy-loss spectroscopy, is shown to be critically dependent on short-range order. This finding is supported by band structure calculations where the d-hole count at the Cu site for disordered alloys is found to be independent of the composition. Based on the above, a linear correlation between the degree of short-range order, as defined by the splitting of the diffuse maxima in the diffraction patterns, and the d-band occupancy has been established.

引用

页码：1762 / 1764

页数：3

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