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External field effect on the anisotropy of dielectric permeability of KH₂PO₄ and NaKC₄H4O₆· 4H₂O crystals under high pressure

External field effect on the anisotropy of dielectric permeability of KH₂PO₄ and NaKC₄H4O₆· 4H₂O crystals under high pressure

Experimental studies of the effect of temperature, external pressure and electric eld on the anisotropy of dielectric permeability of KH₂PO₄ and NaKC₄H4O₆· 4H₂O crystals are performed. The experimental data on the effect of electric field and pressure on the dielectric permeability of Rochelle sa...

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Main Authors: Slivka, A.G., Kedyulich, V.M., Guyvan, H.M.
Format: Article
Language:English
Published: Інститут фізики конденсованих систем НАН України 2008
Series:Condensed Matter Physics
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/119383
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spelling irk-123456789-1193832017-06-07T03:02:33Z External field effect on the anisotropy of dielectric permeability of KH₂PO₄ and NaKC₄H4O₆· 4H₂O crystals under high pressure Slivka, A.G. Kedyulich, V.M. Guyvan, H.M. Experimental studies of the effect of temperature, external pressure and electric eld on the anisotropy of dielectric permeability of KH₂PO₄ and NaKC₄H4O₆· 4H₂O crystals are performed. The experimental data on the effect of electric field and pressure on the dielectric permeability of Rochelle salt are analyzed in the framework of phenomenological theory with the account of the vicinity of the phase transitions to the double critical point. Coefficients of thermodynamic potential expansion over the order parameter are determined as well as its pressure behaviour is described. The hydrostatic pressure increase is shown to shift the phase transitions in Rochelle salt away from the double critical point. Проведено експериментальнi дослiдження впливу температури, зовнiшнього тиску та електричного поля на анiзотропiю дiелектричної проникностi кристалiв KH₂PO₄ та NaKC₄H4O₆· 4H₂O. У рамках феноменологiчної теорiї та з врахуванням близькостi фазових переходiв до подвiйної критичної точки проведено аналiз експериментальних результатiв по впливу електричного поля та тиску на дiелектричну проникнiсть сегнетової солi. Визначено коефiцiєнти розкладу термодинамiчного потенцiалу по параметру порядку i їх баричну поведiнку. Показано, що збiльшення гiдростатичного тиску вiддаляє фазовi переходи в сегнетовiй солi вiд подвiйної критичної точки. 2008 Article External field effect on the anisotropy of dielectric permeability of KH₂PO₄ and NaKC₄H4O₆· 4H₂O crystals under high pressure / A.G. Slivka, V.M. Kedyulich, H.M. Guyvan // Condensed Matter Physics. — 2008. — Т. 11, № 3(55). — С. 571-581. — Бібліогр.: 17 назв. — англ. 1607-324X PACS: 77.80.Bh, 77.22.Ch, 77.84.Fa DOI:10.5488/CMP.11.3.571 http://dspace.nbuv.gov.ua/handle/123456789/119383 en Condensed Matter Physics Інститут фізики конденсованих систем НАН України
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
language English
description Experimental studies of the effect of temperature, external pressure and electric eld on the anisotropy of dielectric permeability of KH₂PO₄ and NaKC₄H4O₆· 4H₂O crystals are performed. The experimental data on the effect of electric field and pressure on the dielectric permeability of Rochelle salt are analyzed in the framework of phenomenological theory with the account of the vicinity of the phase transitions to the double critical point. Coefficients of thermodynamic potential expansion over the order parameter are determined as well as its pressure behaviour is described. The hydrostatic pressure increase is shown to shift the phase transitions in Rochelle salt away from the double critical point.
format Article
author Slivka, A.G.
Kedyulich, V.M.
Guyvan, H.M.
spellingShingle Slivka, A.G.
Kedyulich, V.M.
Guyvan, H.M.
External field effect on the anisotropy of dielectric permeability of KH₂PO₄ and NaKC₄H4O₆· 4H₂O crystals under high pressure
Condensed Matter Physics
author_facet Slivka, A.G.
Kedyulich, V.M.
Guyvan, H.M.
author_sort Slivka, A.G.
title External field effect on the anisotropy of dielectric permeability of KH₂PO₄ and NaKC₄H4O₆· 4H₂O crystals under high pressure
title_short External field effect on the anisotropy of dielectric permeability of KH₂PO₄ and NaKC₄H4O₆· 4H₂O crystals under high pressure
title_full External field effect on the anisotropy of dielectric permeability of KH₂PO₄ and NaKC₄H4O₆· 4H₂O crystals under high pressure
title_fullStr External field effect on the anisotropy of dielectric permeability of KH₂PO₄ and NaKC₄H4O₆· 4H₂O crystals under high pressure
title_full_unstemmed External field effect on the anisotropy of dielectric permeability of KH₂PO₄ and NaKC₄H4O₆· 4H₂O crystals under high pressure
title_sort external field effect on the anisotropy of dielectric permeability of kh₂po₄ and nakc₄h4o₆· 4h₂o crystals under high pressure
publisher Інститут фізики конденсованих систем НАН України
publishDate 2008
url http://dspace.nbuv.gov.ua/handle/123456789/119383
citation_txt External field effect on the anisotropy of dielectric permeability of KH₂PO₄ and NaKC₄H4O₆· 4H₂O crystals under high pressure / A.G. Slivka, V.M. Kedyulich, H.M. Guyvan // Condensed Matter Physics. — 2008. — Т. 11, № 3(55). — С. 571-581. — Бібліогр.: 17 назв. — англ.
series Condensed Matter Physics
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AT kedyulichvm externalfieldeffectontheanisotropyofdielectricpermeabilityofkh2po4andnakc4h4o64h2ocrystalsunderhighpressure
AT guyvanhm externalfieldeffectontheanisotropyofdielectricpermeabilityofkh2po4andnakc4h4o64h2ocrystalsunderhighpressure
first_indexed 2023-10-18T20:34:26Z
last_indexed 2023-10-18T20:34:26Z
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