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O 1s2p2p Auger decay in the Pr1-xSrMnO3 (x=0.0, 0.3) system with excitation energies from OK threshold through above Mn L edge
Kui RX(奎热西); Qian HJ(钱海杰); Abbas, MI; Su R(苏润); Wang JO(王嘉鸥); Wu ZY(吴自玉); Ibrahim, K; Qian, HJ; Abbas, MI; Su, R; Wang, JO; Wu, ZY; Mannella, N; Fadley, CS; Lapeyre, GJ; Baba, Y
2004
Source PublicationJOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA
Volume137Pages:445-449
Corresponding AuthorChinese Acad Sci, Inst High Energy Phys, Synchrotron Radiat Lab, Beijing 100039, Peoples R China ; Univ Calif Davis, Dept Phys, Davis, CA 95616 USA ; Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA ; Montana State Univ, Dept Phys, Bozeman, MT 59717 USA ; Japan Atom Energy Res Inst, Synchrotron Radiat Res Ctr, Tokai, Ibaraki 3191195, Japan
SubtypeArticle; Proceedings Paper
AbstractWe have measured the photon energy dependence of the O 1s2p2p Auger line at the O K threshold, below Mn L-2.3 as well as well above the Mn L-2.3-edge of colossal magnetoresistance (CMR) manganites Pr1-xSrxMnO3 (PSMO) with x = 0.0 and x = 0.3 compositions. Experimental results show that the O 1s2p2p Auger peak splits and it can be best fitted to three component peaks. The relative intensity of the three peaks feature retain essentially similar values, in an experiment allowable error range of several percents, for both composition PSMO at O K threshold and below Mn L-2.3 excitation, but the total intensity fluctuates that reflecting the final state effect characteristic feature. This situation further changes drastically at above Mn L-2.3 excitation energy by increasing the total intensity of x = 0.3 system by a factor of four to that of x = 0.0. These are discussed in terms of possible interatomic response and different valence band DOS for different PSMO compositions in the frame of covalent picture. (C) 2004 Elsevier B.V. All rights reserved.
Keywordauger decay photon energy dependence covalency perovskite oxygen 1s photoionization
Subject AreaSpectroscopy
DOI10.1016/j.elspec.2004.02.154
URL查看原文
Language英语
WOS Research AreaSpectroscopy
WOS SubjectSpectroscopy
WOS IDWOS:000222251900069
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Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/237513
Collection多学科研究中心
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Kui RX,Qian HJ,Abbas, MI,et al. O 1s2p2p Auger decay in the Pr1-xSrMnO3 (x=0.0, 0.3) system with excitation energies from OK threshold through above Mn L edge[J]. JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA,2004,137:445-449.
APA 奎热西.,钱海杰.,Abbas, MI.,苏润.,王嘉鸥.,...&Baba, Y.(2004).O 1s2p2p Auger decay in the Pr1-xSrMnO3 (x=0.0, 0.3) system with excitation energies from OK threshold through above Mn L edge.JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA,137,445-449.
MLA 奎热西,et al."O 1s2p2p Auger decay in the Pr1-xSrMnO3 (x=0.0, 0.3) system with excitation energies from OK threshold through above Mn L edge".JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA 137(2004):445-449.
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