MULTIELECTRON EXCITATIONS IN RARE-EARTH COMPOUNDS REVEALED BY MAGNETIC CIRCULAR X-RAY DICHROISM

被引:26
作者
DARTYGE, E
FONTAINE, A
GIORGETTI, C
PIZZINI, S
BAUDELET, F
KRILL, G
BROUDER, C
KAPPLER, JP
机构
[1] LAB PHYS SOLIDE NANCY,F-54506 VANDOEUVRE NANCY,FRANCE
[2] UNIV STRASBOURG 1,INST PHYS & CHIM MAT STRASBOURG,ETUD MAT MET GRP,F-67070 STRASBOURG,FRANCE
来源
PHYSICAL REVIEW B | 1992年 / 46卷 / 05期
关键词
D O I
10.1103/PhysRevB.46.3155
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This paper reports experimental evidence of multielectron excitations in magnetic circular x-ray dichroism (MCXD) spectra, measured at the L(I,II,III) edges of rare earths (RE) in several RE-transition-metal (Fe, Co) compounds. These multielectron features involve transitions from the 2p and 4d levels and exhibit a very strong magnetic enhancement compared to normal MCXD.
引用
收藏
页码:3155 / 3158
页数:4
相关论文
共 15 条
[1]   MAGNETIC-PROPERTIES OF NEODYNIUM ATOMS IN ND-FE MULTILAYERS STUDIED BY MAGNETIC-X-RAY DICHROISM ON ND L(II) AND FE K EDGES [J].
BAUDELET, F ;
DARTYGE, E ;
FONTAINE, A ;
BROUDER, C ;
KRILL, G ;
KAPPLER, JP ;
PIECUCH, M .
PHYSICAL REVIEW B, 1991, 43 (07) :5857-5866
[2]  
BAUDELET F, IN PRESS 1991 P INT
[3]   STRUCTURAL AND ATOMIC EFFECTS IN LANTHANUM LII,LIII EXAFS SPECTRA OF CHALCOGENIDE MATERIALS [J].
BENAZETH, S ;
TUILIER, MH ;
GUITTARD, M .
PHYSICA B-CONDENSED MATTER, 1989, 158 (1-3) :39-40
[4]   MULTIELECTRON EXCITATIONS IN THE K-EDGE X-RAY-ABSORPTION NEAR-EDGE SPECTRA OF V, CR, AND MN 3D0 COMPOUNDS WITH TETRAHEDRAL COORDINATION [J].
BIANCONI, A ;
GARCIA, J ;
BENFATTO, M ;
MARCELLI, A ;
NATOLI, CR ;
RUIZLOPEZ, MF .
PHYSICAL REVIEW B, 1991, 43 (09) :6885-6892
[5]  
BRIOIS V, 1991, THESIS PARIS 11 U
[6]   AN EXPERIMENTAL AND THEORETICAL-STUDY OF MULTIELECTRON EXCITATIONS AT THE L3 ABSORPTION-EDGE IN SOME RARE-EARTH ALLOYS AND THEIR HYDRIDES [J].
CHABOY, J ;
GARCIA, J ;
MARCELLI, A ;
RUIZLOPEZ, MF .
CHEMICAL PHYSICS LETTERS, 1990, 174 (05) :389-395
[7]  
CONNERADE JP, 1987, NATO ADV STUDY I B, V151
[8]  
DARTYGE E, 1990, PHYS REV LETT, V64, P1286
[9]   MULTIELECTRON EXCITATIONS IN X-RAY-ABSORPTION SPECTRA OF A-SI-H [J].
FILIPPONI, A ;
BERNIERI, E ;
MOBILIO, S .
PHYSICAL REVIEW B, 1988, 38 (05) :3298-3304
[10]   MULTIPLE EXCITATION AND IONIZATION OF INNER ATOMIC SHELLS BY X RAYS [J].
SCHNOPPER, HW .
PHYSICAL REVIEW, 1963, 131 (06) :2558-&