Published March 2006
| Version v1
Journal article
Giant dielectric response of oxygen-deficient hexagonal BaTiO3
Creators
- 1. Japan Aerospace Exploration Agency, Institute of Space and Astronautical Science, Sagamihara, Kanagawa (Japan)
- 2. Tokyo Institute of Technology, Materials and Structures Laboratory, Yokohama, Kanagawa (Japan)
- 3. Japan Science and Technology Agency, Kawaguchi, Saitama (Japan)
Description
Oxygen-deficient hexagonal BaTiO3 crystals were successfully grown by containerless processing and floating zone method. The resulting material exhibited a giant dielectric constant ε' exceeding 105 at room temperature, and a weak temperature dependence of ε' in the range of 70 to 300 K. We confirmed that the giant permittivity can arise from extrinsic effects as Maxwell-Wagner polarization. (author)
Additional details
Publishing Information
- Journal Title
- Kotai Butsuri
- Journal Volume
- 41
- Journal Issue
- 3
- Journal Page Range
- p. 187-200
- ISSN
- 0454-4544
INIS
- Country of Publication
- Japan
- Country of Input or Organization
- Japan
- INIS RN
- 37075968
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- ANTIFERROELECTRIC MATERIALS; BARIUM COMPOUNDS; CRYSTAL DEFECTS; CRYSTAL GROWTH; CRYSTAL STRUCTURE; DIELECTRIC MATERIALS; DIELECTRIC PROPERTIES; ELECTRIC POTENTIAL; FREQUENCY DEPENDENCE; HEXAGONAL LATTICES; MICROSTRUCTURE; MONOCRYSTALS; OXYGEN; PERMITTIVITY; PHASE STABILITY; TEMPERATURE DEPENDENCE; TITANATES
- Descriptors DEC
- ALKALINE EARTH METAL COMPOUNDS; CRYSTAL LATTICES; CRYSTAL STRUCTURE; CRYSTALS; DIELECTRIC MATERIALS; DIELECTRIC PROPERTIES; ELECTRICAL PROPERTIES; ELEMENTS; MATERIALS; NONMETALS; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; STABILITY; TITANIUM COMPOUNDS; TRANSITION ELEMENT COMPOUNDS