Investigation on linear and nonlinear optical properties of third-order nonlinear optical semi-organic material: ammoniu
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Investigation on linear and nonlinear optical properties of third-order nonlinear optical semi-organic material: ammonium bis (citrato) borate dihydrate G. Rajasekar1, M. K. Dhatchaiyini1, P. Rekha2, S. Sudhahar3, G. Vinitha4, and A. Bhaskaran1,* 1
Department of Physics, Presidency College (A), University of Madras, Chennai 600 005, India Department of Physics, Bharathi Womens College, University of Madras, Chennai 600 108, India 3 Department of Physics, Alagappa University, Karaikudi 630 004, India 4 Division of Physics, School of Advanced Science, VIT Chennai, Chennai 600 127, India 2
Received: 26 May 2020
ABSTRACT
Accepted: 4 September 2020
Semi-organic single crystal of ammonium bis (citrato) borate dihydrate (ABCBDH) was harvested by slow evaporation technique (SET). The nature of the solubility of the ABCBDH crystal has been investigated by the gravimetrical method with different temperatures. The structure of the crystal system (orthorhombic), lattice parameters and space group (Pbca) were confirmed by single-crystal X-ray diffraction. The crystalline nature of the ABCBDH crystal has been determined by powder X-ray diffraction and its planes were identified by morphology studies. FT-IR and FT-Raman were used to analyze the presence of the functional group in the grown sample. UV–Vis spectrum was used to determine the transmittance percentage and lower cut-off of the ABCBDH crystal. Laser damage threshold and photoconductivity studies were also carried out. The growth pattern and etch pit density of the crystal was analyzed by etching studies. The third-order nonlinear optical property of ABCBDH crystal was analyzed by Z-scan method and the corresponding nonlinear refractive index, absorption coefficient, optical susceptibility and optical limiting parameters were calculated. The third-order nonlinear susceptibility (v3) of ABCBDH single crystal was found to be 9.1973 9 10-12 esu.
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Springer Science+Business
Media, LLC, part of Springer Nature 2020
1 Introduction The unique optical properties of new materials are important to require in the field of laser technology, optical communication, high speed information
technology, and optical data storage [1–3]. Semi-organic crystals have been analyzed with attractive NLO properties and their physicochemical characteristics acquired important in applied research and fabrication of the device. During recent years, many
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https://doi.org/10.1007/s10854-020-04414-3
J Mater Sci: Mater Electron
researchers were successfully grown and reported many semi-organic crystals on account of it has high stability materials equating both organic and inorganic compounds [4]. Semi-organic crystals were consist of extensive properties such as large nonlinearity, high damage threshold, less deliquescence, wide transmittance range compared with both organic and in-organic materials owing to the organic ligand is ionically bonded exist in inorganic host [5–8]. The extensive search for new types of semiorganic b
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