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Inne
Dielectric and pyroelectric properties of (CH3NH3)3Bi2Br9 crystals in the ferroelectric phase transition region.
Autorzy
Rok wydania
1993
Czasopismo
Numer woluminu
146
Strony
65-71
DOI
10.1080/00150199308008527
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
In order to elucidate the nature of the spontaneous polarization the temperature measurements down to 10 K in (CH3NH3)3Bi2Br9 have been performed. The low frequency dielectric relaxation along the a-axis in the vicinity of ferroelectric phase transition clearly indicates the complex nature of dielectric response below T c3. The measurements showed that both the migration of charges and ferroelectric domains contribute to the electric permittivity in the ferroelectric phase.
Słowa kluczowe
alkylammonium halogenobismuthates (III), Ferroelectricity, phase transition, dielectric relaxation
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