Abstract
Several new etch‐pit features in BaTiO3 single crystals are shown and discussed. Etch‐pit resolution was facilitated by using a 4% HNO3, 2% HF etchant and by prepolishing the crystals. Etch‐pit patterns in plastically deformed regions suggested that the preferred mode of slip in cubic BaTiOs is the 110, (110) direction. An etch‐pit structure possibly associated with twins was also observed.

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