3D Domain Structure in Bi 4 Ti 3 O 12  Crystals Observed by Using Piezoresponse Force Microscopy | Zendy

Katayama S. | Zendy; Noguchi Y. | Zendy; Miyayama M. | Zendy

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3D Domain Structure in Bi 4 Ti 3 O 12 Crystals Observed by Using Piezoresponse Force Microscopy

Author(s) -

Katayama S.,

Noguchi Y.,

Miyayama M.

Publication year - 2007

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.200602607

Subject(s) - piezoresponse force microscopy , materials science , domain (mathematical analysis) , ferroelectricity , microscopy , crystallography , domain wall (magnetism) , plane (geometry) , condensed matter physics , optics , geometry , optoelectronics , physics , chemistry , mathematical analysis , mathematics , magnetization , quantum mechanics , magnetic field , dielectric

The 3D domain structure in ferroelectric Bi 4 Ti 3 O 12 crystals is investigated by using piezoresponse force microscopy. Energetically favorable 90° domain walls with faceted structure are established on the surface along the a–b plane, while the 90° domain walls have complicated and curved surfaces along the c ‐axis inside the crystals (see figure). This domain structure can be explained by the strong interaction between the 90° domain walls and oxygen vacancies.

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