Dimensionality crossover and the nonlinear dielectric response in betaine phosphate/arsenate mixed crystals

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dc.contributor.authorKim, YHko
dc.contributor.authorKim, BGko
dc.contributor.authorKim, Jong Jeanko
dc.contributor.authorMochida, Tko
dc.contributor.authorMiyajima, Sko
dc.date.accessioned2013-02-28T04:17:58Z-
dc.date.available2013-02-28T04:17:58Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued1996-08-
dc.identifier.citationJOURNAL OF PHYSICS-CONDENSED MATTER, v.8, no.33, pp.6095 - 6103-
dc.identifier.issn0953-8984-
dc.identifier.urihttp://hdl.handle.net/10203/72737-
dc.description.abstractDielectric properties of quasi-one-dimensional hydrogen-bonded chains are studied for mixed crystals of antiferroelectric betaine phosphate and ferroelectric betaine arsenate at three different mixing concentrations, x = 0.1, 0.3, and 0.4 (x being the concentration of arsenate). For mixed crystals with x = 0.3 and 0.4 dielectric study revealed dimensionality crossover at around 82 K, where the quasi-one-dimensional nature was turned into three-dimensional Curie-Weiss behaviour on lowering the temperature, well above the antiferroelectric transition point. For x = 0.1 mixed crystal, on the other hand, the crossover point was almost coincident with the antiferroelectric transition point, showing still too-weak interchain coupling and strong one-dimensionality, almost to the point of antiferroelectric transition. For this system, the electric bias field effect revealed temperature-dependent nonlinearity of the dielectric constant, which may be ascribed to a development of competition between antiferroelectric and ferroelectric interchain couplings, the latter growing with increasing bias held and lowering temperature.-
dc.languageEnglish-
dc.publisherIOP PUBLISHING LTD-
dc.subjectPHASE-TRANSITIONS-
dc.subjectARSENATE-
dc.subject(CH3)3NCH2COO.H3PO4-
dc.subjectRELAXATION-
dc.subjectBEHAVIOR-
dc.titleDimensionality crossover and the nonlinear dielectric response in betaine phosphate/arsenate mixed crystals-
dc.typeArticle-
dc.identifier.wosidA1996VC64700016-
dc.type.rimsART-
dc.citation.volume8-
dc.citation.issue33-
dc.citation.beginningpage6095-
dc.citation.endingpage6103-
dc.citation.publicationnameJOURNAL OF PHYSICS-CONDENSED MATTER-
dc.identifier.doi10.1088/0953-8984/8/33/016-
dc.contributor.nonIdAuthorKim, YH-
dc.contributor.nonIdAuthorKim, BG-
dc.contributor.nonIdAuthorMochida, T-
dc.contributor.nonIdAuthorMiyajima, S-
dc.type.journalArticleArticle-
dc.subject.keywordPlusPHASE-TRANSITIONS-
dc.subject.keywordPlusARSENATE-
dc.subject.keywordPlus(CH3)3NCH2COO.H3PO4-
dc.subject.keywordPlusRELAXATION-
dc.subject.keywordPlusBEHAVIOR-
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