Effect of High Energy Ion Irradiation on Electrical and Optical Properties of Organic Nonlinear Optical Crystals
J. Materials Chemistry and Physics 54(1-3), (1998) pp 147 - 150, Elsevier
Posted: 20 Nov 2017
Date Written: July 01, 1998
Two new organic nonlinear single crystals viz. methyl p-hydroxy benzoate (MHB) and p- hydroxy acetophenone (HAP) are irradiated with swift heavy ions Ag 100 MeV and Si 50–100 MeV, from the 15 UD pelletron at NSC Delhi. Hydrogen depth profiling was carried out by using the ERDA technique. The effect of irradiation on the dielectric, nonlinear optical properties was investigated. A dramatic increase in the value of the dielectric constant was observed in both MHB and HAP. The dielectric constants increased by 10–13 times.
Keywords: Nonlinear Optical Crystal, MHB, HAP, Swift Ion Irradiation, Dielectric Properties, Optical Properties
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