Influence of the electric field on the latent heat of the ferroelectric phase transition in KDP

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dc.creatorDelgado-Sanchez, Jose-Maria
dc.creatorMartin-Olalla, Jose-Maria
dc.creatorGallardo, Maria-Carmen
dc.creatorRamos, Saturio
dc.creatorKoralewski, Marceli
dc.creatordel Cerro, Jaime
dc.date2005-03-30
dc.date.accessioned2026-07-07T03:04:21Z
dc.date.available2026-07-07T03:04:21Z
dc.descriptionThe specific heat, heat flux (DTA trace) and dielectric constant of KDP ferroelectric crystal have been measured simultaneously for various electric fields with a conduction calorimeter. The specific heat presents a strong anomaly but these simultaneous measurements allow us to evaluate the latent heat accurately. Latent heat decreases with field and the value of critical electric field --that where latent heat disappears-- is estimated to be (0.44\pm0.03) kV/cm. Incidentally, we have measured simultaneously the dielectric permittivity which suggests that latent heat is developed as domains are growing.
dc.description7 pages, 6 figures, ReVTeX, twocolumn format, to appear in J. Phys. Cond. Matter
dc.identifierhttps://arxiv.org/abs/cond-mat/0503698
dc.identifierhttp://arxiv.org/abs/cond-mat/0503698
dc.identifierJournal of Physics: Condensed Matter 17(17) 2645-2654 (2005)
dc.identifierdoi:10.1088/0953-8984/17/17/012
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/26104
dc.subjectOther Condensed Matter
dc.titleInfluence of the electric field on the latent heat of the ferroelectric phase transition in KDP
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