Analysis of Cation Valences and Oxygen Vacancies in Magnetoresistive Oxides by Electron Energy-loss Spectroscopy

Abstract

Magnetic oxides of (La,A)MnO 3 and (La,A)CoO 3 have two typical structural characteristics: cations with mixed valences and oxygen vacancies, which are required to balance the charge introduced by cation doping. The consequences introduced by each can be different, resulting in different properties. It is important to quantitatively determine the percentage… (More)

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