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- Title
Piezoelectric properties of tetragonal single-domain Mn-doped NBT-6 %BT single crystals.
- Authors
Guennou, Mael; Savinov, Maxim; Drahokoupil, Jan; Luo, Haosu; Hlinka, Jirka
- Abstract
We report a study of properties of Mn-doped NBT-6 %BT single crystals. We show that tetragonal single-domain states can be stabilized by poling along a [001] direction. For carefully prepared crystals, the piezoelectric coefficient $$d_{33}$$ can reach 570 pC/N. When poled along non-polar directions, the crystals exhibit ferroelectric domain structures consistent with tetragonal micron-sized domains, as revealed by optical observation and Raman spectroscopy. The multidomain crystals have lower $$d_{33}$$ values, 225 and 130 pC/N for [011] and [111]-oriented crystals, respectively. This trend is commented on from a domain-engineering perspective.
- Subjects
SINGLE crystals; PIEZOELECTRICITY; CRYSTAL structure; RAMAN spectroscopy; CRYSTALLOGRAPHY; SCIENTIFIC observation
- Publication
Applied Physics A: Materials Science & Processing, 2014, Vol 116, Issue 1, p225
- ISSN
0947-8396
- Publication type
Article
- DOI
10.1007/s00339-013-8098-0