Journal ArticleDOI
Dielectric Properties of Ice and Solid D2O
Robert P. Auty,Robert H. Cole +1 more
TLDR
In this article, complex dielectric constants have been measured for ice from the melting point to −65°C and for solid D2O to −35°C, by a combination of bridge and transient methods.Abstract:
Complex dielectric constants have been measured for ice from the melting point to −65°C, and for solid D2O to −35°C, by a combination of bridge and transient methods. For both, the dispersion is described by the simple Debye formula, and the relaxation times τ by the simple rate expression τ = A exp(B/RT). For ice, A = 5.3×10−16 sec, B = 13.2 kcal/mole; and for solid D2O, A = 7.7×10−16 sec, B = 13.4 kcal/mole. The equilibrium dielectric constant for ice is 91.5 at 0°C and increases at lower temperatures; the values for solid D2O are only slightly smaller. Measures taken to minimize errors from voids in the sample and direct current conductance are discussed.read more
Citations
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Journal ArticleDOI
Optical spectra of orientationally disordered crystals. VI. The Raman spectrum of the translational lattice vibrations of ice Ih
P. T. T. Wong,E. Whalley +1 more
TL;DR: The theory of the Raman spectrum of the translational vibrations of polycrystalline ice Ih has been investigated in the range 350-20 cm−1 as discussed by the authors, and it was shown that the origin of the strong Raman intensity lies mainly in the disorder in the location of the hydrogen atoms surrounding an O−H⋅−O−O bond.
Journal ArticleDOI
Explaining the dielectric properties of firn as a density-and-conductivity mixed permittivity (DECOMP)
TL;DR: In this paper, the authors give an example for numerical inversion of complex-valued dielectric mixing formulae for some known material properties, which is applicable to other composites as well.
Journal ArticleDOI
Solid Solutions of Ice and NH4F and Their Dielectric Properties
Sol Zaromb,Rudolf Brill +1 more
TL;DR: The solidus curve for the system H2O-NH4F was partly determined by means of chemical analyses, heating curves and a dilatometric method, and partly estimated from the liquidus curve using a thermodynamic relation as discussed by the authors.
Journal ArticleDOI
Low-frequency electrical properties of polycrystalline saline ice and salt hydrates.
TL;DR: Ionic and L-defect concentrations in salt hydrates up to approximately 10(-4) and 10(-3) per H(2)O molecule, respectively, follow from the electrical properties, Jaccard theory, and the assumption that protonic- defect mobilities are similar to ice.
Journal ArticleDOI
Proton Magnetic Resonance in Pure and Doped Ice
TL;DR: In this paper, a complete proton magnetic resonance experiment of ice is attempted, based upon a carefully designed method of measurement in samples showing long T 1, and the results of the dielectric and the direct current conductivity measurements by Zurich group are taken into consideration.
References
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Journal ArticleDOI
The Dielectric Polarization of Polar Liquids
TL;DR: In this paper, an extension of the Onsager theory of dielectric polarization is presented, which is applied to liquid water under the assumption of tetrahedral coordination and directed bonds between neighboring molecules.
Journal ArticleDOI
A Wide Range Capacitance‐Conductance Bridge
Robert H. Cole,Paul M. Gross +1 more
TL;DR: In this paper, the authors describe a bridge for reasonably accurate measurement by direct balance of capacitance and conductance in the frequency range 50 c/sec. to 5 cm/sec., and over most of this range is essentially direct reading in the two admission components with negligible unbalance from lead effects or guard circuits of the unknown.
Journal ArticleDOI
A Calculation of the Static Dielectric Constant of Ice
TL;DR: In this article, a calculation of the static dielectric constant of ice using only simple molecular data and with well-defined assumptions as to the possibilities of molecular movement in the crystal is presented.
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