2004
DOI: 10.1080/00150190490456673
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Influence of Uniaxial Pressure on the Phase Transition of Partially Deuterated Glycinium Phosphite

Abstract: Influence of uniaxial pressure on the phase transition of glycinium phosphite crystal has been studied by measurement of the permittivity along the b-axis. The pressure was applied to the crystal along the three principal axes a * , b and c. It has a tendency that the phase transition temperature shifts towards lower temperature with increasing uniaxial pressure. The uniaxial pressure dependence of the each principal axes on the phase transition temperature of 75% deuterated GPI crystal is dT D75% C /dp a * = … Show more

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Cited by 4 publications
(6 citation statements)
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“…First, let us consider longitudinal dynamic dielectric characteristics. It was determined in [5] that uniaxial pressures decrease the phase transition temperature T c (which agrees with the experimental data [9]) and slightly increase the value of the static permittivity of our model at constant difference of temperature ∆T .…”
Section: -6supporting
confidence: 89%
“…First, let us consider longitudinal dynamic dielectric characteristics. It was determined in [5] that uniaxial pressures decrease the phase transition temperature T c (which agrees with the experimental data [9]) and slightly increase the value of the static permittivity of our model at constant difference of temperature ∆T .…”
Section: -6supporting
confidence: 89%
“…Прикладання тиску до кристала призводить до пониження температури переходу T c . Швидкiсть змiни розрахованих температур переходу T c з тиском при x = 0.0 дорiвнює dT c /dp 1 = −1.95 K/(Gdyn/cm 2 ), dT c /dp 2 = −5.00 K/(Gdyn/cm 2 ), dT c /dp 3 = −2.75 K/(Gdyn/cm 2 ), а у випадку x = 0.75 розрахованi dT c /dp 2 i dT c /dp 3 збiгаються з даними експерименту [4] i рiвнi, вiповiдно −2.57 K/(Gdyn/cm 2 ) i −1.33 K/(Gdyn/cm 2 ). Експериментальне значення dT c /dp 1 = −0.07 K/(Gdyn/cm 2 ), а розраховане значно бiльше i дорiвнює −1.00 K/(Gdyn/cm 2 ).…”
Section: термодинамIчнi характеристики Gpiunclassified
“…Температурнi залежностi оберненого протонного внеску в дiелектричну проникнiсть (ε 22 − ε 0 22 ) −1 кристала GPI (ε 0 22 = 1 + 4πχ ε0 22 ) за вiдсутностi тискiв i рiзних значень одновiсних тискiв p 1 a); p 2 b); p 3 c) та за вiдсутностi тискiв i при значеннi 0.8Gdyn/cm 2 одновiсних тискiв p i (d) зображенi на рис. 9, а кристала GPI 0.25 DGPI 0.75 разом з даними експерименту [4] на рис. 10.…”
Section: на рис 4 наведенI залежностI деформацIйunclassified
See 1 more Smart Citation
“…In particular, in [6,7] it was experimentally discovered that its transverse permittivity in the ferroelectric phase greatly increases under the influence of a transverse field . In addition, dielectric properties of the crystal greatly depend on hydrostatic [8] and uniaxial [9] pres- sures. These peculiarities make GPI crystals of interest for studies.…”
Section: Introductionmentioning
confidence: 99%