Physical properties of mixed crystals of alkali halides

Sirdeshmukh, D. B.; Srinivas, K.

doi:10.1007/bf01106517

Cited by 69 publications

(24 citation statements)

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“…Sirdeshmukh and Srinivas [15] reviewed the data on fourteen alkali halide mixed crystals and concluded that, by and large, the composition dependence of θ D (ie. θ) of alkali halide mixed crystals is well described by the Kopp -Neumann relation given by θ…”

Section: From Kopp-neumann Relationmentioning

confidence: 99%

“…It shows a non-linear variation with composition, Debye temperature observed from the melting point of the mixed crystals well agree with those calculated from the Kopp-Neumann relation, while observed from the Debye-waller factor are less than the values observed from the Kopp-Neumann relation except for some crystals. After analysing the data on the Debye temperatures of a large number of mixed crystals, Sirdeshmukh and Srinivas [15] concluded that the observed values of Debye temperatures from the Debye-waller factor are lower than those calculated from composition. The deviation of Debye temperature from the Kopp-Neumann relation may be due to increase in Vibrational entropy.…”

Section: Comparison Of Debye Temperatures Calculated With Kopp-neumanmentioning

confidence: 99%

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Debye temperature calculation from various experimental methods for ��𝐱 𝐊�−𝐱 �𝐥 grown from aqueous solution

Somasundari¹

2013

IOSR-JAP

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Section: From Kopp-neumann Relationmentioning

confidence: 99%

Section: Comparison Of Debye Temperatures Calculated With Kopp-neumanmentioning

confidence: 99%

Debye temperature calculation from various experimental methods for ��𝐱 𝐊�−𝐱 �𝐥 grown from aqueous solution

Somasundari¹

2013

IOSR-JAP

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Section: Introductionmentioning

confidence: 99%

Studies on multiphased mixed crystals of NaCl, KCl and KI

Priya

Mahadevan²

2008

Cryst. Res. Technol.

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Multiphased mixed crystals of NaCl, KCl and KI were grown by the melt method, for the first time. Densities and refractive indices of all the grown crystals were determined and used for the estimation of the composition in the crystal. Atomic absorption spectroscopic measurements were done to estimate the metal atom contents in the crystal. Lattice parameters and thermal parameters (Debye-Waller factor, mean square amplitude of vibration, Debye temperature and Debye frequency) were determined from the X-ray powder diffraction data. DC and AC electrical measurements were done at various temperatures ranging from 40 to 150°C. Activation energies were also estimated. The observed lattice parameters showed that the system exhibits three phases each nearly corresponds to NaCl, KCl and KI. The thermal and electrical parameters show a highly nonlinear bulk composition dependence. Results are reported.

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“…Haribabu and Subbarao [2]have reviewed the aspects of the growth and characterization of alkali halide mixed crystals. Sirdeshmukh and Srinivas [3] have reviewed the physical properties. Mahadevan and his co-workers [4] obtained largerand more stable crystals from (NaCl) x (KCl) 0.9-x (KBr) 0.1 solutions than from Na x K 1-x Cl solutions.S.Perumalet al [5] have reported the Growth and characterization of multiphased mixed crystals of KCl, KBr and KI:1.,Accordingly, the growth and characterization of mixed KCl x Br 1-x single crystals, used for study in this work are presented, as in the following.…”

Section: Introductionmentioning

confidence: 99%