Preparation and characterization of La0.8Cu0. 2MnO(3+δ) perovskite-type catalyst for methane combust

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La0.8 Cu0.2 MnO(3±δ) perovskite-type catalyst for methane combustion prepared through sol-gel process was characterized by X-ray Diffractometry(XRD), X-ray Photoelectron Spectroscopy(XPS) and Scanning Electron Microscopy(SEM). XPS analyses reveal tha
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