Growth of dl-malic acid-doped ammonium dihydrogen phosphate crystal and its characterization

Rajesh, P.; Ramasamy, P.

doi:10.1016/j.jcrysgro.2009.04.020

Cited by 76 publications

(25 citation statements)

References 45 publications

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“…The growth promoting effect is observed in the presence of organic additives. In recent years, efforts have been taken to improve the quality, growth rate and properties of ADP, by employing new growth techniques, and also by the addition of organic, inorganic and semiorganic impurities [11][12][13][14]. In the light of the research work being done on ADP crystals, to improve the properties, the present work focuses on boron as a dopant in ADP and this is expected to enhance the nonlinearity of the crystal.…”

Section: Introductionmentioning

confidence: 99%

Dielectric and Optical Characterization of Boron Doped Ammonium Dihydrogen Phosphate

Zion¹,

Devarajan²,

Arunachalam³

2013

JCPT

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Single crystals of pure and boron doped ammonium dihydrogen phosphate were grown from aqueous solution by slow solvent evaporation process. ICP studies were done to confirm the presence of the dopant boron in the parent crystal. The values of the lattice parameters were determined by single crystal X-ray diffraction. The pure and doped ADP crystals were found to have tetragonal structure. Complete optical characterizations of the crystals were done using the FTIR, UV-Vis and NLO studies. The presences of the various functional groups in the crystals were identified by FTIR spectrum. The band gap energies of the pure and doped crystals have been calculated at their cut off frequencies using the UV-Vis spectrum. The second harmonic generation efficiency of the crystals was determined. The electric properties of the grown crystal have been analyzed by studying the variation of dielectric constant and dielectric loss with frequency.

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Section: Introductionmentioning

confidence: 99%

Dielectric and Optical Characterization of Boron Doped Ammonium Dihydrogen Phosphate

Zion¹,

Devarajan²,

Arunachalam³

2013

JCPT

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“…The wide band gap energy confirms the good optical transparency and dielectric behaviour of the crystal [31]. It also ensures the crystal suitability for optoelectronic device application, optical harmonic generation, and so forth [32].…”

Section: Determination Of Optical Band Gapmentioning

confidence: 70%

Growth and Characterization of Benzimidazolium Salicylate: NLO Property from a Centrosymmetric Crystal

Amudha

Rajkumar

Thayanithi

et al. 2015

Advances in Optical Technologies

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A new organic charge transfer molecular complex salt of benzimidazolium salicylate (BSL) single crystals was grown by the slow evaporation solution growth technique using methanol as a solvent at room temperature. The grown crystals were characterised by single crystal X-ray diffraction (XRD) which confirms that the crystal belongs to monoclinic system with the centrosymmetric space group P2 1 / . The crystalline perfection of the grown crystal was analyzed by high resolution X-ray diffraction (HRXRD). The presence of various functional groups was identified by FTIR spectrum. UV-Vis spectral study reveals that the BSL crystal is optically transparent in the wavelength region 342 nm-1100 nm. Dielectric measurements of the crystal at various frequencies were also determined. The mechanical properties of the grown crystal were assessed using Vickers microhardness testing. Nonlinear optical property of the crystal was confirmed using Kurtz and Perry powder technique and the SHG efficiency of the BSL crystal is 0.7 times greater than that of the standard KDP crystal.

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“…The dielectric constant of materials is due to the contribution of electronic, ionic, dipolar and space charge polarizations, which depend on the frequencies. At low frequencies, all these polarizations are active [21,22]. From the plot, this is attributed due to the presence of the space charge polarization near the gain boundary interfaces, which depends on the Fig.…”

Section: Dielectric Studiesmentioning

confidence: 99%

“…For example the conversion efficiency of SHG is always high along the phase matching direction for nonlinear optical crystals. From this point of view, the Sankaranarayanan-Ramasamy (SR) method is a capable method to grow bulk single crystal along a specific orientation [6][7][8][9][10][11]. The unidirectional crystal growth method is most suitable for the crystal growth along particular direction.…”

Section: Introductionmentioning

confidence: 99%

Unidirectional growth of organic nonlinear optical l-arginine maleate dihydrate single crystal by Sankaranarayanan–Ramasamy (SR) method and its characterization

Charoen-In

Ramasamy²,

Manyum

2011

Journal of Crystal Growth

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Growth of dl-malic acid-doped ammonium dihydrogen phosphate crystal and its characterization

Cited by 76 publications

References 45 publications

Dielectric and Optical Characterization of Boron Doped Ammonium Dihydrogen Phosphate

Dielectric and Optical Characterization of Boron Doped Ammonium Dihydrogen Phosphate

Growth and Characterization of Benzimidazolium Salicylate: NLO Property from a Centrosymmetric Crystal

Unidirectional growth of organic nonlinear optical l-arginine maleate dihydrate single crystal by Sankaranarayanan–Ramasamy (SR) method and its characterization

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