Magnetic circular dichroism of the S 2p, Co 2p, and Co 3pcore absorption and orbital angular momentum of the Co 3dstate in low-spinCoS 2
Author(s) -
T Muro,
Tatsuya Shishidou,
F. Oda,
Tadashi Fukawa,
Hiroya Yamada,
A. Kimura,
S. Imada,
Sei-ichiro Suga,
S. Y. Park,
Tsuneaki Miyahara,
K. Sato
Publication year - 1996
Publication title -
physical review. b, condensed matter
Language(s) - English
Resource type - Journals
eISSN - 1095-3795
pISSN - 0163-1829
DOI - 10.1103/physrevb.53.7055
Subject(s) - magnetic circular dichroism , angular momentum , physics , atomic physics , absorption (acoustics) , spin (aerodynamics) , core (optical fiber) , angular momentum coupling , cluster (spacecraft) , x ray magnetic circular dichroism , circular dichroism , ferromagnetism , total angular momentum quantum number , condensed matter physics , crystallography , chemistry , spectral line , quantum mechanics , optics , computer science , thermodynamics , programming language
Magnetic circular dichroism~MCD! has been measured for ferromagnetic CoS 2 in the S 2p, Co 2p and 3p core absorption regions. MCD in the S 2 p region is discussed in terms of the exchange splitting of the unoccupied band. The Co 2 p MCD has revealed that the orbital angular momentum of the Co 3 d state remains finite in spite of its low-spin configuration. This situation is confirmed by a simple cluster model calculation.
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