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

Abstract

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
Pages301-306
Number of pages6
Volume602
StatePublished - 2000
EventMagnetoresistive Oxides and Related Materials - Boston, MA, United States
Duration: Nov 29 1999Dec 2 1999

Other

OtherMagnetoresistive Oxides and Related Materials
CountryUnited States
CityBoston, MA
Period11/29/9912/2/99

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

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    Borca, C. N., Cheng, R. H., Stadler, S., Idzerda, Y. U., Choi, J., Liou, S-H., Xu, Q. L., Liou, S. H., Zhong, Z. C., & Dowben, P. A. (2000). Is magnetic circular dichroism surface sensitive in the manganese perovskites ? In M. S. Rzchowski, M. Kawasaki, A. J. Millis, S. Molnar, & M. Rajeswari (Eds.), Materials Research Society Symposium - Proceedings (Vol. 602, pp. 301-306)