Unidirectional seeded single crystal growth from solution of benzophenone

Sankaranarayanan, K.; Ramasamy, P.

doi:10.1016/j.jcrysgro.2005.03.075

Cited by 175 publications

(110 citation statements)

References 11 publications

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“…Some additional peaks observed due to the existence of impurity and it affects reasonable optical properties. Due to change in morphology, slight change in intensity of some peaks were observed as a result of doping while the intensity of some peaks gets reduced as a result of doping 19,20 .…”

Section: Xrd Analysismentioning

confidence: 99%

Growth, Electrical, Thermal, Optical, Physiochemical and NLO Properties of Dyes Doped Tetrafluoro Phthalate Crystals

2018

Chem Sci Trans

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A systematic study has been carried out on the growth of pure and doped tetrafluoro phthalate crystals. The lattice parameters find through powder X-ray diffraction analysis for the grown pure and doped crystals. The functional groups, stretching are found through FT-IR and FT-Raman spectroscopical analysis, optical, absorption studies through UV-Vis analysis, thermal studies under TG/DTA analysis, through Vickers test and LCR metre the microhardness and dielectric studies were also carried out for the grown pure and dyes doped crystals. The SHG efficiency of the pure and dyes doped TFP crystals were also studied using Nd:YAG Q-switched laser. The results of these investigations are discussed in this paper.

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Section: Xrd Analysismentioning

confidence: 99%

Growth, Electrical, Thermal, Optical, Physiochemical and NLO Properties of Dyes Doped Tetrafluoro Phthalate Crystals

2018

Chem Sci Trans

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“…So from many literature surveys which had been discussed about various growth techniques such as indirect laser heated pedestal growth (ILHPG) method [15], MicrotubeCzochralski (μT-CZ) method [16], seed-oriented undercooled melt growth [17], Vertical Bridgman (VB) method [18], and uniaxially solution crystallization (USC) method of Sankaranarayanan-Ramasamy [19] have been reported with the aim of growing bulk organic NLO benzophenone single crystals. Among all the above stated methods, the Microtube-Czochralski and Vertical Bridgman methods are more versatile, bulk and unidirectional crystals can be grown by optimizing the growth parameters [12].…”

Section: Growth Techniquesmentioning

confidence: 99%

Efficient growth techniques and properties of Benzophenone Single Crystals for NLO Applications:A Review

Selvakumar¹,

R²,

Arivanandhan³

et al. 2013

IJSEA

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Abstract:Benzophenone is one of the promising organic NLO materials for their high energy laser photonic applications and hence this review is mainly emphasized on the discussion of growth, efficiency and applications of low melting organic NLO benzophenone crystals in order to improve their structural and physical properties. To grow bulk and good quality benzophenone crystals by various techniques adopted has been discussed such as slow evaporation method, Microtube-Czochralski method, and Vertical Bridgman method. It is acknowledged that the size and the efficiency of the growing benzophenone single crystal varies with that of the techniques we are using has been discussed below. The SHG efficiency of pure benzophenone crystal also been compared with the standard KDP crystal. Also optical transparency behaviour of the benzophenone crystal has also been reviewed.

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“…In the literature, different kind of direction-controlled growth technique such as indirect laser heated pedestal growth (ILHPG) method [3], Microtube-Czochralski (µT-CZ) method [4], seed-oriented undercooled melt growth [5], Vertical Bridgman (VB) method [6], and uniaxially solution crystallization (USC) method of Sankaranarayanan-Ramasamy [7] have been reported with the aim of growing unidirectional NLO crystals. Despite the unidirectional organic NLO crystal can be grown by ILHPG [3] and seed-oriented undercooled melt growth [5], the complicated experimental set-up and multistep growth process leads to difficulty in growing large size unidirectional crystal.…”

Section: Introductionmentioning

confidence: 99%

“…Whereas the µT-CZ [4] and VB [6] methods are more versatile and bulk directional crystals can be grown by optimizing the growth parameters. On the other hand, the recently reported USC method [7] attracted the researchers by its unique advantage than the other methods such as unidirectional growth at ambient temperature which causes minimum thermal induced grown-in defects using simple experimental set-up with high solute-crystal conversion efficiency and high growth rate.…”

Section: Introductionmentioning

confidence: 99%