Structural, optical, thermal, mechanical and dielectric studies of Sulfamic acid single crystals: An influence of dysprosium (Dy3+) doping
authors Singh, B; Shkir, M; AlFaify, S; Kaushal, A; Nasani, N; Bdikin, I; Shoukry, H; Yahia, IS; Algarni, H
nationality International
journal JOURNAL OF MOLECULAR STRUCTURE
author keywords Optical materials; Crystal growth; Differential scanning calorimetry (DSC); Mechanical properties; Thermodynamic properties
keywords 2ND-HARMONIC GENERATION SHG; UNIDIRECTIONAL GROWTH; NUCLEATION KINETICS; L-ALANINE; L-PROLINE; PERFECTION; EFFICIENCY; BEHAVIOR; ENHANCEMENT; ZWITTERION
abstract Sulfamic acid is a potential material that exhibits excellent optical properties. A good quality, pure and dysprosium (Dy3+) doped (2.5 and 5 mol %) Sulfamic acid (SA) single crystals were grown successfully by slow cooling method. Structural study revealed a slight change in its lattice parameters and volume, suggesting the successful incorporation of Dy3+ in crystal system. The existence of dysprosium in the system was also confirmed. Presence of various vibrational modes was confirmed. Optical transparency was found to have a significant effect with variation in the doping concentration. Furthermore, a marked enhancement in its mechanical parameters with doping was also identified by nanoindentation technique. Etching study was also performed on the grown crystals to study the etch-pit formation and growth mechanism. Effect of doping on the thermal stability was analysed. All the results were compared and discussed in detail to get insight of the effect of doping concentration on Sulfamic acid crystal. (C) 2016 Elsevier B.V. All rights reserved.
publisher ELSEVIER SCIENCE BV
issn 0022-2860
year published 2016
volume 1119
beginning page 365
ending page 372
digital object identifier (doi) 10.1016/j.molstruc.2016.04.091
web of science category Chemistry, Physical
subject category Chemistry
unique article identifier WOS:000378360000044
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