Synthesis, structure, growth and physical properties of a novel organic NLO crystal: 1,3-Dimethylurea dimethylammonium picrate

被引：26

作者：

Babu, G. Anandha ^{[1
]}

Chandramohan, A. ^{[2
]}

Ramasamy, P. ^{[1
]}

Bhagavannarayana, G. ^{[3
]}

Varghese, Babu ^{[4
]}

机构：

[1] SSN Coll Engn, Ctr Crystal Growth, Kalavakkam 603110, Tamil Nadu, India

[2] Sri Ramakrishna Mission Vidyalaya Coll Arts & Sci, Dept Chem, Coimbatore 641020, Tamil Nadu, India

[3] Natl Phys Lab, Mat Characterizat Div, New Delhi 110012, India

[4] Indian Inst Technol Madras, Sophisticated Analyt Instrument Facil, Madras 600036, Tamil Nadu, India

来源：

MATERIALS RESEARCH BULLETIN | 2011年 / 46卷 / 03期

关键词：

Optical materials; Organic compounds; Crystal growth; X-ray diffraction; Crystal structure; O HYDROGEN-BONDS; INORGANIC CRYSTALS; COMPLEX;

D O I：

10.1016/j.materresbull.2010.11.018

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A novel noncentrosymmetric crystal was prepared from 1,3-dimethylurea dimethylammonium picrate, C(11)H(18)N(6)O(8) (DMUP), which was designed for second harmonic generation. DMUP crystals exist in noncentro symmetric space group Cmc2(1) with unit cell dimensions a = 14.288(4) angstrom, b = 17.023(5)angstrom, c = 6.8268(13) angstrom, alpha = beta = gamma = 90 degrees and volume = 1660.5(8) angstrom(3). The crystal structure of DMUP has been determined using single crystal X-ray diffraction studies. The single crystals of DMUP were successfully grown by the slow evaporation method with dimensions 10 mm x 4 mm x 3 mm using dimethylformamide as solvent. The structural perfection of the grown crystals has been analysed by High-resolution X-ray diffraction (HRXRD) rocking curve measurements. Powder test with Neodymium-doped Yttrium aluminum garnet (Nd:YAG) laser radiation shows a high second harmonic generation (SHG). The laser induced surface damage threshold for the grown crystal was measured using Nd:YAG laser. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：464 / 468

页数：5

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