Indian Journal of Pure and Applied Physics
              http://www.niscair.res.in; http://nopr.niscair.res.in   

VOLUME 48	NUMBER 4		APRIL 2010
CODEN:IJOPAU 48(4) 229-300		ISSN:0019-5596 (Print); 0975-1041 (Online)

CONTENTS

Review Article
Nano scale free volume study of high energy (MeV) ion beam irradiated polyamide nylon-6 polymer Rajesh Kumar	233
The Physics of Elementary Particles and Fields
Semi-relativistic quark model for light D wave mesons with instanton induced interaction Antony Prakash Monteiro & K B Vijaya Kumar*	240
Atomic and Molecular Physics
Vibrational spectral analysis of 1-methoxynaphthalene R John Xavier*, V Balachandran, M Arivazhagan & G Ilango	245
Spectroscopic studies of l-arginine molecule Santosh Kumar* & S B Rai	251
Thermoluminescence study of recently excavated river sediments from Tamilnadu, India V Ramasamy*, P Rajkumar, V Ponnusamy & M T Jose	256
Condensed Matter: Structural, Mechanical and Thermal Properties
Growth and characterization of urea-thiourea non-linear optical organic mixed crystal G Madhurambal & M Mariappan*	264
Characterization of nanocrystalline Ag/SiO2 nanocomposites and synthesis by wet chemical method Surender Duhan*, Sunita Devi & M Srivastava	271
Dependence of specific heat on electric field in Ba1-xCaxTiO3 ferroelectric perovskites Dushyant Pradeep*, Ashok Kumar & U C Naithani	276
Modified Ghiorso equation of state for CaMgSi2O6 silicate melt at 1673 K M S Kumar* & B S Sharma	282
Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties
Structural and magnetic behaviour of NiFe2O4 thin film grown by pulsed laser deposition Gagan Dixit*, J P Singh, R C Srivastava, H M Agrawal, R J Choudhary & Ajay Gupta	286
Interdisciplinary Physics and Related Areas of Science and Technology
High input impedance voltage mode universal biquad filter K Kumar* & K Pal	292