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Inne
The structure and phase transition of (CH3NH3)3Sb2(1-x)Bi2xCl9 mixed crystals.
Autorzy
Rok wydania
1996
Czasopismo
Journal of Physics-Condensed Matter
Numer woluminu
8
Strony
367-381
DOI
10.1088/0953-8984/8/4/004
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
The phase transition and molecular motions of methylammonium cations are studied in the temperature range from 110 to 450 K in the (x= 0.22, 0.345)(MACAB) crystal by x-ray DSC, dilatometric, dielectric and NMR techniques. It is shown that MACAB (x= 0.22) undergoes a structural phase transition at 222 K. The second moment of the NMR line () and the temperature dependence of spin lattice relaxation time () results are interpreted in terms of (ion dynamics. In the high-temperature phase (I) the cations undergo isotropic …
Adres publiczny
https://doi.org/10.1016/10.1088/0953-8984/8/4/004
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