Pyroelectric and dilatometric studies on [nh2(ch3)213sb2x9(x =cl, br)
作者： R. Jakubas , J. Mróz , P. Fran¸ois , J. Lefebvre
DOI: 10.1080/00150199508236037
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摘要: Abstract Pyroelectric and dilatometric properties of isomorphous crystals; [NH2(CH3)2]3Sb2Cl9 (DMACA) [NH2(CH3)2]3Sb2Br9 (DMABA) have been compared. A nontypical temperature behaviour P, (T) in both dimethylammonium crystals was found. The paraelectric effect has observed down to liquid helium temperature. measurements corroborate the continuous ferro-paraelectric phase transition for DMACA DMABA.
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