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JOURNAL OF APPLIED PHYSICS
Volume 87, Issue 9, Pages 6104-6106Publisher
AMER INST PHYSICS
DOI: 10.1063/1.372623
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The composition in the surface region of the colossal magnetoresistance perovskite manganite materials, La0.65Pb0.35MnO3 has been studied using angle resolved x-ray photoemission spectroscopy. The results are consistent with a Mn-O terminal layer and Pb segregation to the near-surface region. This is similar to the behavior exhibited by La0.65Ca0.35MnO3 and La0.65Sr0.35MnO3. The O-Mn-O terminal layer appears to be close to the Mn3+ valence state. (C) 2000 American Institute of Physics. [S0021-8979(00)51108-6].
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