Soft X-Ray Magnetic Circular Dichroism Study of the Colossal Magnetoresistance Compound La1-xSrxMnO3
Publication date
1997
Authors
Pellegrin, E.
Tjeng, L.H.
de Groot, Frank
Hesper, R.
Sawatzky, G.A.
Moritomo, Y.
Tokura, Y.
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Article
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Abstract
Soft X-ray magnetic circular dichroism (SXMCD) measurements are reported on the O K- and Mn L-absorption edges of La1-xSrxMnO3 (x = 0.15, 0.18, and 0.4) single crystals in their ferromagnetic regime. This has been done using a recently developed experimental technique for magnetizing the samples offering the possibility to get high-accuracy SXMCD effect measurements on bulk samples. The very strong doping-induced O K-edge intensity is proof of an enhanced O 2p hole component of the doped holes. O K soft X-ray magnetic circular dichroism spectra give evidence for an orbital magnetic moment of this O 2p component ferromagnetically coupled to the Mn moments.
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Pellegrin, E, Tjeng, L H, de Groot, F M F, Hesper, R, Sawatzky, G A, Moritomo, Y & Tokura, Y 1997, 'Soft X-Ray Magnetic Circular Dichroism Study of the Colossal Magnetoresistance Compound La1-xSrxMnO3', Journal of Electron Spectroscopy and Related Phenomena, vol. 86, pp. 115-118.