Crystal Growth, Optical and Dielectric Properties of L-Histidine Hydrochloride Monohydrate Nonlinear Optical Single Crystals

Koteeswari, P.; Sagadevan, Suresh; Prabaharan, M.

doi:10.4236/jmmce.2012.118071

Cited by 4 publications

(3 citation statements)

References 14 publications

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“…As a direct band gap material 14 , the crystal under study has an absorption coefficient (α) obeying the following relation for high photon energies (hν) [10] Figure 2. Powder X-ray diffraction pattern for GZS crystal.…”

Section: Uv-vis-nir Spectral Analysismentioning

confidence: 99%

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Investigation on Physical Properties of Semiorganic Nonlinear Optical Glycine Zinc Sulfate Single Crystal

Nithya¹,

Mahalakshmi²,

Sagadevan³

2015

Mat. Res.

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Nonlinear optical single crystals of Glycine Zinc Sulfate (GZS) were grown by slow evaporation technique. Single crystal X-ray diffraction analysis revealed the crystal system and lattice parameter values. Powder X-ray diffraction analyses have been carried out and the diffraction patterns have been indexed. The optical properties of the crystals were determined using UV-Visible spectroscopy. Optical constants such as band gap, refractive index, extinction coefficient and electric susceptibility were determined from UV-Visible spectroscopy. The refractive index was determined using Brewster's angle method. Hardness of the GZS crystal was estimated by Vicker's hardness studies. Second Harmonic Generation (SHG) of GZS crystal was investigated by Kurtz powder technique. The dielectric constant and dielectric loss measurements were carried out for different temperatures and frequencies. The photoconductivity studies confirm that the grown crystal has negative photoconductivity nature. In order to investigate the growth mechanism and surface features, etching studies are carried out for the crystal.

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Section: Uv-vis-nir Spectral Analysismentioning

confidence: 99%

“…A plot of variation of (αhν) 2 versus hν is shown in Figure 4. E g is evaluated using the extrapolation of the linear part 14 . Using Tauc's plot, the energy gap (E g ) was calculated as 5.40 eV and the large band gap clearly indicates the wide transparency of the crystal.…”

Section: Figure 3 Uv-vis Transmission Spectrum Of Gzs Materials Resmentioning

confidence: 99%

Investigation on Physical Properties of Semiorganic Nonlinear Optical Glycine Zinc Sulfate Single Crystal

Nithya¹,

Mahalakshmi²,

Sagadevan³

2015

Mat. Res.

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“…E g was evaluated using the extrapolation of the linear part [23]. Using the Tauc plot, the energy gap (E g ) was calculated to be 4.80 eV and the large band gap clearly indicated the wide transparency of the crystal [24]. This high band gap value indicated that the grown crystal possessed dielectric behaviour to induce polarization when powerful radiation was incident on the material.…”

Section: Uv-visible Spectroscopymentioning

confidence: 99%

Growth and Characterization of Non-Linear Optical Single Crystal: L-cysteine Hydrochloride Monohydrate

Azeezaa

Pragasam

Sunitha³

et al. 2015

Acta Phys. Pol. A

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Nonlinear optical single crystals of L-cysteine hydrochloride monohydrate (LCB) were grown by slow evaporation technique. Single crystal X-ray diraction analysis revealed the crystal system and helped to determine lattice parameter values. Powder X-ray diraction analyses were carried out and the diraction patterns were indexed. The optical properties of the crystals were determined using UV-visible spectroscopy. Optical constants such as refractive index, extinction coecient and electric susceptibility were determined from UV-visible spectroscopy. The Fourier transform infrared studies conrmed the various functional groups present in the grown crystal. The mechanical behaviour of the grown crystals was studied using Vicker's microhardness tester. The thermal analysis conrmed that the crystal was stable up to 108.7• C. The dielectric constant and the dielectric loss measurements were carried out for dierent temperatures and frequencies. Second harmonic generation of LCB crystal was investigated by the Kurtz powder technique.

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On the structural, electronic, and optical properties of L-histidine crystal: a DFT study

et al. 2023

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Crystal Growth, Optical and Dielectric Properties of L-Histidine Hydrochloride Monohydrate Nonlinear Optical Single Crystals

Cited by 4 publications

References 14 publications

Investigation on Physical Properties of Semiorganic Nonlinear Optical Glycine Zinc Sulfate Single Crystal

Investigation on Physical Properties of Semiorganic Nonlinear Optical Glycine Zinc Sulfate Single Crystal

Growth and Characterization of Non-Linear Optical Single Crystal: L-cysteine Hydrochloride Monohydrate

On the structural, electronic, and optical properties of L-histidine crystal: a DFT study

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