Synthesis, growth and studies of undoped and sodium chloride-doped Zinc Tris-thiourea Sulphate (ZTS) single crystals

Krishnan, C.; Selvarajan, P.; Pari, S.

doi:10.1016/j.cap.2009.08.014

Cited by 30 publications

(12 citation statements)

References 37 publications

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“…12 The calculated amounts of the reactants were thoroughly dissolved in double distilled water and stirred well for about 4 h using a magnetic stirrer to ensure homogenous temperature and concentration over the entire volume of the solutions. The solution was filtered using a Whatmann filter paper of pore size 11 µm, transformed to crystal growth vessels and crystallizations were allowed to take place by slow evaporation under room temperature.…”

Section: Materials Synthesismentioning

confidence: 99%

Synthesis, Growth and Characterization of L-Valine Zinc Hydrochloride — A Novel Semi-Organic Nonlinear Optical Single Crystal

Jananakumar¹,

Prabaharan

2013

J. Nonlinear Optic. Phys. Mat.

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Single crystals of L-valine zinc hydrochloride (LVZHCl), a novel semi-organic nonlinear optical material were synthesized and grown from aqueous solution by slow evaporation method at room temperature. The cell parameters of LVZHCl had been determined using single crystal X-ray diffraction technique. The linear and non-linear optical properties of the crystals were studied by Fourier Transform Infrared, Ultraviolet Visible Near infrared, ac impedance, laser damage threshold, and second harmonic generation analysis. The thermal stability of the crystals was assessed by Differential thermalThermogravimetric analysis. The crystallinity and mechanical properties of the crystals were studied by Dielectric behavior and Vickers microhardness test.

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Section: Materials Synthesismentioning

confidence: 99%

Synthesis, Growth and Characterization of L-Valine Zinc Hydrochloride — A Novel Semi-Organic Nonlinear Optical Single Crystal

Jananakumar¹,

Prabaharan

2013

J. Nonlinear Optic. Phys. Mat.

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“…Some procedures have been used in many previous works to modify and enhance the properties of ZTS crystal such as heating [12], mixing [17,[23][24][25], and doping [18,22,[26][27][28][29][30][31][32][33][34]. Previous, in terms of heating, it was found that increasing temperature leads to changing the optical parameters of ZTS crystal [12].…”

Section: Introductionmentioning

confidence: 99%

“…It was reported that the SHG efficiency of 1 mol% glycine doped ZTS crystal is 4.14 times higher than that of pure ZTS [28]. In addition, other materials such as KCl [29], KI [30], Mn [31], NaCl [32], L-lysine [33], and L-serine [34] were used as dopants in ZTS crystal. It was found that these dopants improved the properties of ZTS crystal, especially their NLO properties.…”

Section: Introductionmentioning

confidence: 99%

Influence of cobalt-doping on the optical properties of zinc tris–thiourea sulfate (ZTS) single crystal

Abdulwahab

2018

J. Phys. Commun.

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Zinc tris-thiourea sulfate (ZTS) single crystals, pure and doped with different concentrations of cobalt, were synthesized and grown by the slow evaporation technique of supersaturated aqueous solutions at 315 K. Co 2+ concentration in the solution was 2, 4 and 6 mol%. Optical transmittance was measured for the obtained crystals as a function of wavelength in the range of 190-900 nm. The present investigation shows that doping ZTS crystal with Co 2+ modifies its optical properties. The absorption coefficient of ZTS crystal exhibits an exponential dependence on photon energy following Urbach relation. Doping ZTS crystal with Co 2+ changes the values of optical transmittance, cut off wavelength, absorption coefficient, optical energy gap, Urbach tail energy and steepness parameter. The changes are systematic i.e. the mentioned optical parameters increase or decrease continuously with increasing Co 2+ concentration in the growth solution. The electrical conduction of ZTS crystal is increased with cobalt doping. The Urbach tail energy changes reversely with the optical energy gap.

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“…Zinc tris (thiourea) sulphate (ZTS) crystal is such a desirable semiorganic material which exhibits crystalline perfection, good optical homogeneity and low angular sensitivity, hence, proves useful for SHG . Its SHG efficiency is 1.2 times as that of potassium dihydrogen phosphate (KDP) crystal which is the sole available material for laser fusion and due to its high damage threshold, birefringence values and wider transparency, ZTS crystal can be used as better alternative for the frequency doubling and laser fusion experiments . ZTS crystal belongs to the orthorhombic system, whose lattice parameters are

a = 11.13 Å

b = 7.77 Å

, and

c = 15.49 Å

.…”

Section: Introductionmentioning

confidence: 99%

In situ atomic force microscopy studies of growth mechanisms and surface morphology of zinc thiourea sulfate crystals

Song

Cao

et al. 2015

Crystal Research and Technology

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In situ atomic force microscopy (AFM) has been utilized in studies of the growth mechanism on the (100) face of zinc tris (thiourea) sulphate (ZTS) crystals growing from solution. The growth on the (100) face of pure ZTS crystal is mainly controlled by two dimensional (2D) nucleation mechanisms, under which the hillock is formed through layer‐by‐layer growth. It is easier to form 2D nuclei at edge dislocation and the apex of steps. The growth of 2D nucleus is in accord with nucleation‐spreading mode. The growth rate along the 〈010〉 direction is faster than that along 〈001〉 direction, both of which increase firstly and then decrease with the spread of nucleus. The kinetic coefficients of one nucleus have been roughly estimated to be 3.6 × 10−4 cm/s and 1.8 × 10−4 cm/s in two directions, while the activation energy E was calculated to be 53.7 kJ/mol and 55.4 kJ/mol, respectively. The 2D nuclei can be generated under lower supersaturation with the addition of EDTA. If there are several hillocks growing together, step bunches will form when the steps moving in the same direction meet each other, while the meeting of steps that move in the inverse direction will result in the separation of steps. The ability of nucleation of edge dislocation outcrops are different even they are close to each other on the same surface. When the nucleus was generated at the edge dislocation sites, it cannot spread speedily until finishes an “incubation period”. Moreover, the detour of microsteps was observed due to the existence of pits. If the microcrystals attached on the surface block the step advancement, or leave the surface or are covered by the macrosteps, the pits are formed. If the macrosteps advanced across the pits, the pits will be covered and the liquid inclusions may form. However, if the microcrystal forming in the pit grow up and expose on the surface, the pit will not be covered by macrosteps. The formation of solid inclusions may be caused by the microcrystals being embedded into the single steps which move layer‐by‐layer.

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Synthesis, growth and studies of undoped and sodium chloride-doped Zinc Tris-thiourea Sulphate (ZTS) single crystals

Cited by 30 publications

References 37 publications

Synthesis, Growth and Characterization of L-Valine Zinc Hydrochloride — A Novel Semi-Organic Nonlinear Optical Single Crystal

Synthesis, Growth and Characterization of L-Valine Zinc Hydrochloride — A Novel Semi-Organic Nonlinear Optical Single Crystal

Influence of cobalt-doping on the optical properties of zinc tris–thiourea sulfate (ZTS) single crystal

In situ atomic force microscopy studies of growth mechanisms and surface morphology of zinc thiourea sulfate crystals

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