应变对四方相BaTiO<sub>3</sub>缺陷及极化的影响

应变对四方相BaTiO₃缺陷及极化的影响

张思^1,², 马颖^1,², 周益春^1,²

Effects of Strain on Defects and Polarization in Tetragonal BaTiO₃

ZHANG Si^1,², MA Ying^1,², ZHOU Yi-Chun^1,²

图4 Ba、Ti和O中性空位形成能
Fig. 4 Variation of neutral vacancy formation energy of Ba, Ti and O with in-plane strain