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Optimizing Structural, Microhardness, Surface Growth Mechanism, Luminescence and Thermal Traits of KH 2 PO 4 Crystal Exploiting Multidirectional H‐Bonding Quality of Dopant Tartaric Acid
Author(s) -
Anis Mohd,
Baig Mirza Irshad,
Pandian Muthu Senthil,
Ramasamy P.,
AlFaify Salem,
Ganesh Venga,
Muley Gajanan G.,
Ghramh Hamed Ali
Publication year - 2018
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.201700165
Subject(s) - crystal (programming language) , dopant , materials science , luminescence , indentation hardness , evaporation , crystal growth , doping , nucleation , analytical chemistry (journal) , crystallography , mineralogy , chemistry , microstructure , composite material , optoelectronics , organic chemistry , physics , computer science , thermodynamics , programming language
High‐end nonlinear optical devices demand superior quality KH 2 PO 4 crystal and to meet this necessity slow solvent evaporation technique is employed to grow optical quality potassium dihydrogen orthophosphate (KH 2 PO 4 , KDOP) crystal by doping tartaric acid (TA) and special attention is devoted to optimize the defect influenced properties of KDOP crystal. The incorporation of TA in KDOP crystal matrix is evaluated by employing energy dispersive spectroscopic technique. The crystalline phase and structural dimensions of pure and TA doped KDOP crystal is evaluated by means of powder X‐ray diffraction analysis. The luminescence behavior of TA doped KDOP crystal is examined in visible region and violet colored emission is evidenced at 408 nm. The Vickers microhardness studies are carried out to uncover the constructive influence of TA on hardness and elastic stiffness coefficient of KDOP crystal. Impressive role of TA in minimizing defect density and improving the surface growth mechanism of KDOP crystal is explored by chemical etching analysis. The thermogravimetric analysis curve is traced within 30–650 °C and TA doped KDOP crystal is found thermally stale up to 233 °C. The results are appraised to propose the suitability of TA doped KDOP crystal for distinct applications.

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