Synthesis, Crystal Growth, Structural, Optical, Thermal and Mechanical Properties of Semiorganic Nonlinear Optical Material: L-Cystine Dihydrochloride

Abstract

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Crystal growth, spectral, optical, laser damage, photoconductivity and dielectric properties of semiorganic l-cystine hydrochloride single crystal

“…L-cystine hydrochloride exhibits gradual weight loss starting at 201° C, below this temperature no weight loss is seen in the TGA curve. In DTA curve, two endothermic peaks were observed at 232° C and 270° C. The thermal analysis further reveals that the thermal decomposition of L-cystine hydrochloride is comparable with well known semi organic L-cystine dihydrochloride single crystal [8].…”

“…L-cystine is a sulphur-containing amino acid. In the L-cystine 3 molecule, the functional groups, such as NH 2 and COOH have a strong tendency to coordinate with inorganic cations and metals [8][9][10]. The molecular structure of Lcystine hydrochloride was reported by Srinivasan et al [10] …”

“…In order to overcome the limitations of those materials, in recent years the organic materials were mixed with inorganic material (semi-organic) to improve their chemical stability, physicochemical properties, mechanical strength, laser damage threshold, optical nonlinearity and thermal stability [5][6][7] . In this point of view, some complexes of amino acid have been combined with inorganic compounds such as dichloro (4-hydroxy-lproline) cadmium(II) [2], L-proline cadmium chloride monohydrate [3], L-alanine Sodium Nitrate [5], glycine sodium nitrite [6], L-arginine hydrochlorobromide [7], Lcystine dihydrochloride [8] and L-cystine dihydrobromide [9]. In this series, Lcystine hydrochloride is also a good and promising candidate for SHG and various other applications in the semi-organic family.…”

Growth, optical, thermal and dielectric studies of a highly polarisable semi organic NLO crystal: Bis d-phenyl glycinium sulphate monohydrate

“…The outcome of SHG signal with the energy 68 mV confirms the nonlinear behaviour of the crystal and is found to be 0.8 times that of KDP (55 mV for the same input energy) crystal. A table of comparison of SHG efficiency for various semi organic NLO crystals of monoclinic space group [14,31,32] with KDP is presented in Table 5.…”

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

“…• C which shows the decomposition of the material [46]. The heat capacity at constant pressure, of LCB crystal was measured by DSC analysis in the temperature range 201000…”