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Title
Japanese: 
English:Crystal structure and valence distribution of [(LaMnO3)m(SrMnO3)m]n artificial superlattices 
Author
Japanese: 中尾 裕則, 西村潤, 村上 洋一, 大友 明, 福村 知昭, 川崎 雅司, 鯉田 崇, 若林 裕助, 澤 博.  
English: H. Nakao, J. Nishimura, Y. Murakami, A. Ohtomo, T. Fukumura, M. Kawasaki, T. Koida, Y. Wakabayashi, H. Sawa.  
Language English 
Journal/Book name
Japanese: 
English:Journal of the Physical Society of Japan 
Volume, Number, Page Vol. 78    No. 2    024602-1-10
Published date Feb. 2009 
Publisher
Japanese: 
English: 
Conference name
Japanese: 
English: 
Conference site
Japanese: 
English: 
Official URL <Go to ISI>://000263575100022
 
DOI https://doi.org/10.1143/jpsj.78.024602
Abstract The crystal structure of [(LaMnO3)m(SrMnO3)m]n artificial superlattices and the valence distribution of Mn ions have been studied using the X-ray scattering technique. The stacking structures were determined by the scattering intensities in the out-of-plane direction. The Mn valence distributions were evaluated by the energy dependence of the scattering intensity near the Mn K-edge, which was analyzed on the basis of the obtained crystal structures. The result indicates that the Mn valence becomes 3+ (4+) in the LaMnO3 (SrMnO3) layers, and the valence has an intermediate value between 3+ and 4+ only at the interface between LaMnO3 and SrMnO3 layers. We have also clarified that all the films are insulators independent of the periodicity m.

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