Title:
Link-up of 90° domain boundaries with interface dislocations in BaTiO₃/LaAlO₃
Link-up of 90° domain boundaries with interface dislocations in BaTiO₃/LaAlO₃
Author(s)
Dai, Z. R.
Wang, Z. L. (Zhong Lin)
Duan, X. F.
Zhang, Jiming
Wang, Z. L. (Zhong Lin)
Duan, X. F.
Zhang, Jiming
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Abstract
Interface microstructures of BaTiO₃/LaAlO₃ grown by metalorganic chemical vapor deposition(MOCVD) are studied using high-resolution transmission electron microscopy (HRTEM). Interface dislocations in BaTiO₃/LaAlO₃ have been shown to be directly linked up with the 90° domain boundaries in BaTiO₃. This association is a result of strain relief due to a phase transformation when cooled down from the growth temperature. The Burgers vector of the interface dislocations is 010.
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1996-05-27
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Article