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

E. Pellegrin*, L. H. Tjeng, F. M.F. De Groot, R. Hesper, G. A. Sawatzky, Y. Moritomo, Y. Tokura

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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 O2p hole component of the doped holes. O K soft X-ray magnetic circular dichroism spectra give evidence for an orbital magnetic moment of thisPp O2p component ferromagnetically coupled to the Mn moments.

Original languageEnglish
Pages (from-to)C2-405-C2-408
JournalJournal De Physique. IV : JP
Volume7
Issue number2 Part 1
Publication statusPublished - 1997
Externally publishedYes

Bibliographical note

Funding Information:
EP acknowledges financial support by the European Union under Contract No. SC1 CT91-0751. This investigation was supported by the Netherlands Foundation for Chemical Research (SON), the Netherlands Foundation for Fundamental Research on Matter (FOM) with financial support from the Netherlands Organization for the Advancement of Pure Research (NWO). The experimental part of this work has been performed at the National Synchrotron Light Source, Brookhaven National Laboratory, which is supported by the U.S. Department of Energy under Contract No. DE-AC02-76CH00016.

Funding

EP acknowledges financial support by the European Union under Contract No. SC1 CT91-0751. This investigation was supported by the Netherlands Foundation for Chemical Research (SON), the Netherlands Foundation for Fundamental Research on Matter (FOM) with financial support from the Netherlands Organization for the Advancement of Pure Research (NWO). The experimental part of this work has been performed at the National Synchrotron Light Source, Brookhaven National Laboratory, which is supported by the U.S. Department of Energy under Contract No. DE-AC02-76CH00016.

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