Effect of electric field on migration of defects in oxides: Vacancies and interstitials in bulk MgO

作者: Al-Moatasem El-Sayed , Matthew B. Watkins , Tibor Grasser , Alexander L. Shluger

DOI: 10.1103/PHYSREVB.98.064102

关键词: Condensed matter physicsMoment (physics)Field (physics)DielectricMaterials scienceDipoleDensity functional theoryElectric fieldField strengthPolarization (electrochemistry)

摘要: … canonical defects—oxygen vacancies and interstitial ions—in a prototypical oxide, MgO. Using … + center, the effect of the net charge on the vacancy is to reduce the magnitude of dipole …

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