[1] A. Senthil, P. Ramasamy, Investigation on the SR method
growth, etching, birefringence, laser damage threshold
and thermal characterization of strontium bis (hydrogen
L-malate) hexahydrate single crystal, J. Cryst. Growth. 401
(2014) 200-204.
[2] B. Babu, J. Chandrasekaran, and S. Balaprabhakaran,
Growth, structural, spectral, optical and electrical
properties of 2-aminophenol single crystals, Optik. 125
(2014) 3005-3008.
[3] N. Prabavathi, A. Nilufer, & V. Krishnakumar, FT-IR, FTRaman and DFT quantum chemical study on the
molecular conformation, vibrational and electronic
transitions of 1-(m-(trifluoromethyl) phenyl) piperazine.
Spectrochim. Acta A Mol. Biomol. 121 (2014) 483-493.
[4] P. Vijayakumar, G. A. Babu, & P. Ramasamy, Synthesis,
crystal growth and characterization of nonlinear optical
organic crystal: p-Toluidinium p-toluenesulphonate.
Materials Research Bulletin, 47 (2012) 957-962.
[5] A. Thirunavukkarsu, S. Sudhahar, G. Maheshwaran, T.
Sujatha, P. R. Umarani & R. M. Kumar, Synthesis, growth,
structural, optical, thermal and mechanical properties of
bis-benzotriazole trichloroacetic acid single crystals. Bull.
Mater. Sci. 43 (2020) 1-11.
[6] C. B. Aakeröy, A. M. Beatty, B. A. Helfrich, & M.
Nieuwenhuyzen, Do polymorphic compounds make good
cocrystallizing agents? A structural case study that
demonstrates the importance of synthon flexibility.
Crystal growth & design, 3 (2003) 159-165.
[7] K. S. Ramesh, M. Saravanabhavan, M., Rajkumar, D. Edison,
M. Sekar, S. Muhammad, & A. G. Al-Sehemi, Synthesis,
growth, structural, thermal, third order nonlinear and
computational studies of organic single crystal: 2-Amino4-picolinium 2-chloro-4-nitrobenzoate, Opt. Mater. 96
(2019) 109341.
[8] H. Ishida, T. Fukunaga, and S. Kashino. "The 1: 1 complex
of 2-chloro-4-nitrobenzoic acid and 1, 2, 3-
benzotriazole." Acta Crystallographica Section E:
Structure Reports Online, 58 (2002) 1083-1084.
[9] V.G. Dmitriev, G.G. Gurzadyan, D.N. Nikogosyan, Handbook
of nonlinear optical crystals, Springer, 2013.
[10] M.K. Kumar, S. Sudhahar, P. Pandi, G. Bhagavannarayana,
& R. M. Kumar, Studies of the structural and third-order
nonlinear optical properties of solution grown 4-hydroxy3-methoxy-4′-N′-methylstilbazoliumtosylate monohydrate
crystals, Opt. Mater. 36 (2014) 988-995.
[11] B.M. Boaz, R.S. Selvaraj, K. S. Kumar, S.J. Das, Growth,
microhardness, dielectric and photoconductivity
characterization of a highly polarizable NLO material:
Sodium p-nitrophenolate dehydrate (NO 2- C6H4-Ona.
2H2O), Indian J. Phys. 83 (2009) 1647-1657.
[12] F. Stockmann, Negative Photoeffekte in halbleitern,
Zeitschrift fur Physik, Bd. 143 (1955) 348-356.
[13] P.R. Crippa, V. Cristofoletti, N. Romeo, A band model for
Melanin deduced from optical absorption and
photoconductivity experiments, Biochim. Biophys. Acta.
538 (1978) 164-170.
[14] P. Karuppasamy, Muthu Senthil Pandian, and P.
Ramasamy "Crystal growth and characterization of third
order nonlinear optical piperazinium bis (4-
hydroxybenzenesulphonate) (P4HBS) single crystal."
Journal of Crystal Growth, 473 (2017) 39-54.
[15] V. Sivasubramani, Muthu Senthil Pandian, and P.
Ramasamy. "Comparative investigations of nonlinear
optical (NLO) ammonium D, L-tartrate (AMT) single
crystals grown by conventional and unidirectional
method." AIP Conference Proceedings, 1 (2015) 100017.
[16] A. Gupta, R. Rahman MK, R. O. M. U. Jauhar, V.
Sivasubramani, N. Vijayan, G. Vinitha, and Lekha Nair.
"Growth of L-asparagine monohydrate and its structural,
optical, mechanical, thermal and electrical studies for
nonlinear optical applications." Materials Research
Express 6, 12 (2020) 125119.
[17] V.N. Joshi, Photoconductivity, Marcel Dekker, New York,
1990.
[18] M. Sheik-Bahae, A.A. Said, T.H. Wei, D.J. Hagan, E.W. Van
Stryland, Sensitive measurement of optical nonlinearities
using a single beam, Quant. Electron. 26 (1990) 760–769.
[19] E.W. Van Stryland, M. Sheik-Bahae, Z-scan measurements
of optical Nonlinearities Charact. Tech. Tabul. Org.
Nonlinear Mater. 60 (1998) 655–692.
[20] K. S. Ramesh, M. Saravanabhavan, M. Rajkumar, D. Edison,
M. Sekar, S. Muhammad & A. G. Al-Sehemi, Synthesis,
growth, structural, thermal, third order nonlinear and
computational studies of organic single crystal: 2-Amino4-picolinium 2-chloro-4-nitrobenzoate, Opt. Mater. 96
(2019) 109341.
[21] L. Chandra, J. Chandrasekaran, K. Perumal, & B. Babu,
Third order nonlinear optical and electrical properties of
new 2-aminopyridinium 2-chloro 4-nitrobenzoate single
crystals, Optik. 127 (2016) 3206-3210.
[22] A. Thirunavukkarsu, S. Sudhahar, G. Maheshwaran, T.
Sujatha, P. R. Umarani, & R. M. Kumar, Synthesis, growth,
structural, optical, thermal and mechanical properties of
bis-benzotriazole trichloroacetic acid single crystals, Bull.
Mater. Sci. 43 (2020) 1-11.
[23] V. Sivasubramani, A. Raja, P. Karuppasamy, K.
Ramachandran, Muthu Senthil Pandian, & P. Ramasamy,
Crystal growth and characterization of semi-organic 2-
amino-5-nitropyridinium bromide (2A5NPBr) single
crystals for third-order nonlinear optical (NLO)
applications, Appl. Phys. Res. A. 123 (2017) 780.
[24] V. Parol, A. N. Prabhu, M. A. Taher, S. R. G. Naraharisetty, N.
K. Lokanath & V. Upadhyaya, A third-order nonlinear
optical single crystal of 3, 4-dimethoxy-substituted
chalcone derivative with high laser damage threshold
value: a potential material for optical power limiting, J.
Mater. Sci: Mater. Electron. 31 (2020) 9133-9150.
[25] D. Wang, T. Li, S. Wang, J. Wang, Z. Wang, X. Xu, & F. Zhang,
Study on nonlinear refractive properties of KDP and DKDP
crystals.RSC Adv. 6 (2016) 14490-14495.
[26] Y.S. Zhou, E.B. Wang, J. Peng, J. Liu, C.W. Hu, R.D. Huang, X.
You, Synthesis and the third-order optical nonlinearities
of two novel charge-transfer complexes of a heteropoly
blue type (C9H7NO=quinolin-8-ol) and (phen) 3
H7PMo12O40. Ch3CN. H2O (Phen=1, 10-
phenanthroline). Polyhedron 18 (1999) 1419–1423.
)