The polarization switching in methylammonium chlorobismuthate, (CH 3 NH 3 ) 5 Bi 2 Cl 11 , single crystal was investigated by optical observations of the domain structure and switching current registration. It is shown that defects introduced during crystal growth influence the polarization switchin
✦ LIBER ✦
Molecular dynamics of the methylammonium cation in [CH3NH3]5Bi2Cl11
✍ Scribed by Wojciech Medycki; Narcyz Piślewski; Ryszard Jakubas
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 333 KB
- Volume
- 2
- Category
- Article
- ISSN
- 0926-2040
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Raman spectra of (DMAPCC) single crystals were studied over the range 10-3200 cm-1 Cl 11 between 100 and 360 K. The changes in the external and internal mode region were observed and characterized. In particular, the symmetric stretching vibration of the dimethylammonium (DMA) group at 890 cm-1 spl