Ferroelectricity and phase transition of halide solid-solution dabcoH(Br<sub><i>x</i></sub>I<sub>1−<i>x</i></sub>)
The temperature and composition dependence of the ferroelectric and structural phase transition behaviours of hydrogen-bonding molecular relaxor dabcoHX (X = Br, I) were investigated using a halide solid-solution, dabcoH(Br<sub><i>x</i></sub>I<sub>1-<i>x</i></sub>). A typical relaxor ferroelectric type polarisation-electric field relationship was observed with increases in temperature and Br-content. In addition, the phase transition temperature depends on the composition, and the structure of I-rich solid-solutions changed reversibly back to a hydrogen-bonded hexagonal phase after heating. These results demonstrated the tuning of relaxor ferroelectrics by tuning the ratio of Br and I ions in the one-dimensional dabco-based hydrogen bonding system.
Authors
- Yuki Ohishi (ORCID: https://orcid.org/0000-0001-9684-5603)
- Yoko Tatewaki
- Atsuko Masuya‐Suzuki (ORCID: https://orcid.org/0000-0001-9392-3741)
- Tomoyuki Akutagawa (ORCID: https://orcid.org/0000-0003-3040-1078)
- Shun Dekura (ORCID: https://orcid.org/0000-0003-2498-6428)
- Ryo Tsunashima (ORCID: https://orcid.org/0000-0002-8852-6992)
- Sadafumi Nishihara (ORCID: https://orcid.org/0000-0003-4030-786X)
- Junya Fujiwara
Institutions
- Hiroshima University (JP)
- Yamaguchi University (JP)
- Tohoku University (JP)
- Tokyo University of Agriculture and Technology (JP)
Publication Details
- Journal
- Dalton Transactions
- Published
- 2025-01-01
- DOI
- https://doi.org/10.1039/d5dt00583c
- Primary Topic
- Solid-state spectroscopy and crystallography
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- Japan Society for the Promotion of Science