2-ELECTRON RESONANCE AT THE 3P-THRESHOLD OF CU AND NI

被引:170
作者
IWAN, M [1 ]
HIMPSEL, FJ [1 ]
EASTMAN, DE [1 ]
机构
[1] IBM CORP,THOMAS J WATSON RES CTR,YORKTOWN HTS,NY 10598
关键词
D O I
10.1103/PhysRevLett.43.1829
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A sharp 3d-electron satellite excitation has been found for Cu which exhibits a strong resonant enhancement (× 5) at the Cu 3p-core-level threshold similar to the 6-eV resonant satellite observed previously in Ni. This satellite, which has two peaks at 11.8 and 14.6 eV below EF, is identified as a quasiatomic two-electron excitation with two 3d holes plus one 4s electron (3d84s). Present models for the Ni resonant satellite are not able to describe our Cu results. © 1979 The American Physical Society.
引用
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页码:1829 / 1832
页数:4
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