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[en] We report the structural, magnetic, and electrical transport properties of pervoskite oxide La0.9Te0.1MnO3. This material, with space group R-3C, shows spin-glasslike features at low temperature and has a good colossal magnetoresistance behavior. The magnetoresistance ratio MR=[ρ(0)-ρ(H)]/ρ(0) is about 51% at 200 K in a field of 4 T. X-ray photoemission spectroscopy measurements suggest that Te ions are in the Te4+ state, while the Mn ions may be in the Mn2+ and Mn3+ valence state
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