Crystal growth and characterization of antimony thiourea bromide

Bhat, Shreesha; Dharmaprakash, S. M.

doi:10.1016/s0022-0248(97)00283-2

Cited by 40 publications

(13 citation statements)

References 4 publications

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“…However, their often -inadequate transparency, poor optical quality, lack of robustness, low laser damage threshold and inability to grow large size have impeded the use of single crystals of organic materials in practical device applications. Hence, recent search is concentrated on semi organic materials due to their large nonlinearly, high resistance to laser induced damage, low angular sensitivity and good mechanical hardness [1][2][3]. Recently, metal complexes of Thiourea and Thiourea analogs have been investigated [4].…”

Section: Introductionmentioning

confidence: 99%

Growth and characterization of Bis Thiourea Zinc Acetate (BTZA)

Jayalakshmi

Kumar²

2005

Cryst. Res. Technol.

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Single crystals of BTZA have been grown by low temperature solution growth method using slow cooling process at an optimized pH of 3.5. The grown crystals have been examined under an optical microscope to study its surface morphology. The morphological studies show that the growth takes place by spreading of growth layers. Formation of rectangular shaped etch pit on the as-grown crystal has been explained in relation to the growth conditions. Single crystal X-ray diffraction analysis has been carried out to confirm the monoclinic system. Transmission spectrum reveals that the crystal has a low UV cut off of 434.5 nm and has a transmittance of 100%. Dependence of micro hardness on load has been studied. Powder X-ray Diffraction and FT-IR have been carried out to characterize the grown crystals. BTZA forms metal -sulfur bond and has good optical transmission in the entire visible region, which is the essential requirement for a non-linear crystal.

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Section: Introductionmentioning

confidence: 99%

Growth and characterization of Bis Thiourea Zinc Acetate (BTZA)

Jayalakshmi

Kumar²

2005

Cryst. Res. Technol.

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“…The FTIR spectrum of urea-thiourea crystal shown in fig (5,6) .The strong and sharp band at 1473,1472 cm -1 to indicated NH 2 asymmetric deformation. The band appearing at 729 cm -1 infers the C-O-H stretching of the urea-thiourea crystal [7,8].…”

Section: Ftir Spectroscopymentioning

confidence: 99%

Growth and Characterization of Mixed Urea and Thiourea NLO Organic Crystal

Kulshrestha¹,

Shrivastava²

2014

IOSRJAP

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“…Metal-organic complexes offer higher environmental stability combined with greater diversity of tunable electronic properties by virtue of the co-ordinated metal center. Many metal thiourea complexes possessing second-order NLO activities [4][5][6][7][8][9][10] and some of them centrosymmetric in nature [11][12][13] have been reported. As a part our studies, in the growth of centrosymmetric crystals exhibiting a small SHG efficiency [14], in the present investigation, we are reporting the growth, structure and characterization of hexakis(thiourea)nickel(II) nitrate crystals.…”

Section: Introductionmentioning

confidence: 99%