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Ferroelectricity in (CH3NH3)5Bi2Br11 crystals.
Autorzy
Rok wydania
1989
Czasopismo
Numer woluminu
72
Strony
813-816
DOI
10.1016/0038-1098(89)90915-0
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
The dielectric and pyroelectric properties of (CH3NH3)5Bi2Br11 single crystals were measured in the range 10–315 K revealing the existence of a new ferroelectric phase transition at 77K. The continuous phase transition is accompanied by a large increase of the spontaneous polarization from 2 × 10-2 Cm-2 at 85 K to 3 × 10-2 Cm-2 at 30K. The electric permittivity along the c-axis shows a λ-type maximum with εc,max (77K) ≅ 56.
Adres publiczny
https://doi.org/10.1016/0038-1098(89)90915-0
Strona internetowa wydawcy
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