High Resolution XRD Studies on Mg, Cr and Nd Doped LiNbO3 Crystals

The single crystals of the NLO material, L-Alaninium maleate were grown by using the submerged seed solution method. The identity of the crystal was confirmed by single crystal X-ray diffraction. The crystalline perfection was analyzed using high resolution X-ray diffraction and it was found that the crystalline perfection is quite good. The values of the laser damage threshold and the Vicker's microhardness are in the higher range. The dielectric studies at different temperatures showed that the dielectric constant and dielectric loss have low values at higher frequencies and these values are independent of the temperature. The details are presented and discussed.

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Growth and Characterization of a New Organic Non-Linear Optical (NLO) Material: L-Histidinium Trifluoroacetate

Dhas¹,

Suresh²,

Bhagavannarayana³

et al. 2008

TOCRYJ

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A new organic nonlinear optical (NLO) material L-Histidinium trifluoroacetate was crystallized using L-Histidine and trifluoroacetic acid in 1:1 stoichiometric ratio in water-ethanol medium. X-ray diffraction analysis of the single crystals showed that they belong to triclinic system, space group P1, with two molecules per unit cell. The lattice parameters are a = 5.1673 (2) Å, b = 8.8393(3) Å, c = 12.4837(6) Å, = 96.190(3)°, = 100.020(3)° and =102.010(3)°. The molecules are held together by a three-dimensional network of hydrogen bonds. The crystalline perfection was studied by high resolution X-ray diffraction. The second harmonic generation (SHG) efficiency was measured by Kurtz and Perry method. The FTIR, UV-Vis-NIR spectra and TGA/DTA were recorded and studied. Vickers microhardness measurement was also carried out.

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High Resolution XRD Studies on Mg, Cr and Nd Doped LiNbO3 Crystals

Cited by 3 publications

References 17 publications

Enhancement of structural perfection of alkali halide single crystals by doping with copper

Enhancement of structural perfection of alkali halide single crystals by doping with copper

Growth, HRXRD, Microhardness and Dielectric Studies on the NLO Material L-Alaninium Maleate

Growth and Characterization of a New Organic Non-Linear Optical (NLO) Material: L-Histidinium Trifluoroacetate

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