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Journal Article

Soft X-ray magnetic circular dichroism study of the colossal magnetoresistance compound La1-xSrxMnO3

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Citation

Pellegrin, E., Tjeng, L. H., de Groot, F. M. F., Hesper, R., Sawatzky, G. A., Moritomo, Y., et al. (1997). Soft X-ray magnetic circular dichroism study of the colossal magnetoresistance compound La1-xSrxMnO3. Journal of Electron Spectroscopy and Related Phenomena, 86(1-3), 115-118. doi:10.1016/S0368-2048(97)00055-8.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0019-1DA7-9
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. (C) 1997 Elsevier Science B.V.