Growth of Cd x Ba1−x C2O4 mixed crystals in silica hydrogel

Prakash, Shree; Rao, P. Mohan

doi:10.1007/bf01730085

Cited by 11 publications

(4 citation statements)

References 4 publications

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“…When the concentration of this compound exceeds the solubility limits, crystals will be formed, the main function of the silica gel being to control the flow of reacting ions [1][2][3][4][5]. Doped crystals growth has scarcely been studied by employing the gel technique [6][7] and the field is in an early stage of development with many opportunities to create new species. Most of the phosphate compounds are in soluble in water and decompose before melting.…”

Section: Introduction *mentioning

confidence: 99%

Growth, Laser Raman, Thermal, Edax and Photoluminescence Studies of Pure and Calcium Doped Zinc Hydrogen Phosphate Crystals Using Single Diffusion Technique

Jayaprakash¹,

Kalugasalam²,

Deepa³

2017

J. Coat. Sci. Technol.

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Growth aspects of pure and Calcium doped Zinc hydrogen phosphate single crystals from silica gel by the process of single diffusion technique are discussed. Crystals with different morphologies and effect on various parameters like gel pH, and gel ageing, gel density and concentration of reactants on the growth of pure and Calcium doped ZnHPO4 crystals were studied. Laser Raman spectra of the pure and Calcium doped ZnHPO4 crystals are recorded and the vibrational assignments have been made with possible explanations. Thermo gravimetrical analysis is undertaken to study the thermal stability of the grown crystals. The photoluminescence measurement shows that the material is suitable for photonic devices. The crystals grown were characterized by Laser Raman spectrum, TG/DTA, EDAX and Photoluminescence.

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Section: Introduction *mentioning

confidence: 99%

Growth, Laser Raman, Thermal, Edax and Photoluminescence Studies of Pure and Calcium Doped Zinc Hydrogen Phosphate Crystals Using Single Diffusion Technique

Jayaprakash¹,

Kalugasalam²,

Deepa³

2017

J. Coat. Sci. Technol.

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“…Cadmium oxalate crystals grown from gel technique have been investigated by X-ray methods from which lattice constants and space group were determined (Volkova et al 1985). Barium, cadmium and their mixed oxalate crystals were grown by gel technique (Dharma Prakash and Mohan Rao 1986). Cadmium oxalate trihydrate single crystals were grown in silica gel employing various nucleation controlling procedures (Arora and Abraham 1981) by adding impurities such as Li ÷, K +, NH~-etc.…”

Section: Introductionmentioning

confidence: 99%

Dielectric properties of cobalt doped cadmium oxalate crystals

Prasad

Bhimasankaram

et al. 1996

Bull. Mater. Sci.

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CoxCdl_xC2044H20 crystals grown by gel technique are characterized for dielectric properties by optical absorption measurements. Loss curve shows a relaxation peak at 500 KHz corresponding to a relaxation time of 0"3 #s. Cole-Cole diagrams give exponent of universal power law to be equal to 0'22. Optical absorption shows peaks due to Co ÷ 2 ion and water of hydration. An attempt is made to understand the results.

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“…In recent years crystal growth in gel medium has attracted the attention of many investigators (Venkateswara Rao 1985;Dharma Prakash and Mohan Rao 1986;K otru et al 1986;Narayana Kalkura and Deva Narayan 1987). The principle relies on the slow migration of crystal constituents (ions) through silica hydrogel so that a very slow reaction occurs with the formation of a sparingly soluble compound.…”

Section: Introductionmentioning

confidence: 99%

“…Mixed crystal growth has scarcely been studied by employing the gel technique (Joshi et al 1980;Dharma Prakash and Mohan Rao 1986) and the field is in an early stage of development with many opportunities to create new species. The purpose of the present paper is to report the growth of single crystals of barium copper oxalate in silica hydrogel at ambient temperature.…”

Section: Introductionmentioning

confidence: 99%

Growth and characterization of barium copper oxalate single crystals in gels

Bangera¹,

Rao

1992

Bull. Mater. Sci.

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Barium copper oxalate was grown in silica hydrogel at ambient temperature. The effect of various parameters like gel pH, gel density, gel aging and concentrations of reactants on the growth of these crystals was studied. The crystals grown were characterized by chemical analysis, X-ray powder diffractometry, infrared spectroscopy, thermogravimetric and differential thermal analysis. The results of these observations are described and discussed.

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Growth of Cd x Ba1−x C2O4 mixed crystals in silica hydrogel

Cited by 11 publications

References 4 publications

Growth, Laser Raman, Thermal, Edax and Photoluminescence Studies of Pure and Calcium Doped Zinc Hydrogen Phosphate Crystals Using Single Diffusion Technique

Growth, Laser Raman, Thermal, Edax and Photoluminescence Studies of Pure and Calcium Doped Zinc Hydrogen Phosphate Crystals Using Single Diffusion Technique

Dielectric properties of cobalt doped cadmium oxalate crystals

Growth and characterization of barium copper oxalate single crystals in gels

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