Is magnetic circular dichroism surface sensitive in the manganese perovskites ?

C. N. Borca, R. H. Cheng, S. Stadler, Y. U. Idzerda, J. Choi, Sy-Hwang Liou, Q. L. Xu, S. H. Liou, Z. C. Zhong, P. A. Dowben

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations


We compare the magnetization versus temperature, determined by magnetic circular dichroism, with bulk magnetization determined by SQUID magnetometery. The results for two different manganese perovskites, Lao 0.65A 0.35MnO 3 systems (A=Pb, Sr), epitaxially grown on LaAlO 3 substrates compared. The results suggest that the magnetic circular dichroism results may not be representative of the bulk magneti zation. Similar materials, but with a different secondary electron mean free path lengths or different surface compositions, may thus be expected to have different behavior in MCD or MXLD that depends on a photoyield for detection.

Original languageEnglish (US)
Title of host publicationMaterials Research Society Symposium - Proceedings
EditorsM.S. Rzchowski, M. Kawasaki, A.J. Millis, S. Molnar, M. Rajeswari
Number of pages6
StatePublished - 2000
EventMagnetoresistive Oxides and Related Materials - Boston, MA, United States
Duration: Nov 29 1999Dec 2 1999


OtherMagnetoresistive Oxides and Related Materials
Country/TerritoryUnited States
CityBoston, MA

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials


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