a
Advanced Materials Technology Department, CSIR-Institute of Minerals and Materials Technology, Bhubaneswar 751013, India
b
Colloids & Materials Chemistry Department, CSIR-Institute of Minerals and Materials Technology, Bhubaneswar 751013, India
E-mail: paridakulamani@yahoo.com
;
Fax: +91-674-2581637
;
Tel: +91-674-2581636 (Ext. 425)