期刊
CRYSTAL GROWTH & DESIGN
卷 11, 期 5, 页码 1422-1426出版社
AMER CHEMICAL SOC
DOI: 10.1021/cg200333q
关键词
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资金
- EPSRC
- Leverhulme Trust
Perovskite SnTiO3 has been predicted to be ferro electric with properties comparable to BaTiO3. Here we report on the experimental discovery of a new SnTiO3 phase, in the form of thin films grown on various substrates by pulsed laser deposition. They exhibit an unexpected epitaxial relationship, different from the predicted perovskite structure. X-ray diffraction and transmission electron microscopy experiments show that the films grown have an ilmenite structure. The films are insulating but do not display any ferroelectricity at room temperature; however, some films contain a small. second phase component consistent with the predicted perovskite phase.
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