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Impurity-defect induced noncentrosymmetricity in nonlinear optical processes

Authors:	M Idrish Miah

Affiliation:	^aQueensland Micro- and Nanotechnology Centre, Griffith University, Nathan, Brisbane, QLD 4111, Australia;^bSchool of Biomolecular and Physical Sciences, Griffith University, Nathan, Brisbane, QLD 4111, Australia;^cDepartment of Physics, University of Chittagong, Chittagong 4331, Bangladesh

Abstract:	Noncentrosymmetric nanosize-material processes in cadmium iodide are formed by doping it with the impurity copper. The noncentrosymmetricity in the processes are probed by the observation of the second-order optical susceptibility . The value of is found to depend fashionably on the impurity content of the nanomaterials. The results also show that a significant enhancement in the noncentrosymmetric response is achieved in nanomaterials with reduced sizes and at low temperatures.

Keywords:	Nanomaterial Optical process Optical susceptibility Impurity
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