Bulletin  of  Materials  Science

Volume  26,  No.  7,   December 2003

CONTENTS


Cover: Scanning electron micrograph of PANI/FA composite. For details, see p. 736 .


Biomaterials
Synthesis and characterization of biocompatible hydroxyapatite coated ferrite

S Deb, J Giri, S Dasgupta, D Datta and D Bahadur

655


Sol-gel Materials
Aging of trivalent metal hydroxide/oxide gels in divalent metal salt solutions: Mechanism of formation of layered double hydroxides (LDHs)

A V Radha and P Vishnu Kamath

661


Catalysis
A simple red-ox titrimetric method for the evaluation of photo-catalytic activity of titania based catalysts

Y S Satpute, S A Borkar and S R Dharwadkar

667


Thin Films
Electrochemical properties of tungsten oxysulphide thin films as positive electrodes for lithium microbatteries

I Martin-Litas, P Vinatier, A Levasseur, J C Dupin and D Gonbeau

673


Optical band gap of Sn0.2Bi1.8Te3 thin films

P H Soni, M V Hathi and C F Desai

683


Influence of growth parameters on the surface morphology and crystallinity of InSb epilayers grown by liquid phase epitaxy

N K Udayashankar and H L Bhat

685


Electrical characterization of low temperature deposited oxide films on ZnO/ n -Si substrate

S K Nandi, S Chatterjee, S K Samanta, P K Bose and C K Maiti

693


Cements
Leaching of  60Co and 137Cs from spent ion exchange resins in cement --bentonite clay matrix

I B Plecas, R S Pavlovic and S D Pavlovic

699


Solid state sintering of lime in presence of La2O3 and CeO2

T K Bhattacharya, A Ghosh, H S Tripathi and S K Das

703


Polymers
Morphology and conductivity studies of a new solid polymer electrolyte: (PED)xLiClO4  

Th Joykumar Singh and S V Bhat

707


Glasses and Ceramics
Preparation and studies of some thermal, mechanical and optical properties of xAl2O3 (1 -- x) NaPO3 glass system

K V Shah, V Sudarsan, M Goswami, A Sarkar, S Manikandan,
 Rakesh Kumar, B I Sharma, V K Shrikhande and G P Kotiyal


715


Carbon and Related Materials

Carbonization and demineralization of coals: A study by means of FT--IR spectroscopy

 

V G ómez-Serrano, M C Fern ández-Gonz ález, M L Rojas-Cervantes,
M F Alexandre-Franco and A Mac ías-Garicia


721


Composites

Synthesis, characterization and low frequency a.c. conduction of polyaniline/fly ash composites

 

S C Raghavendra, Syed Khasim, M Revanasiddappa, M V N Ambika Prasad and A B Kulkarni


733


Electrical Properties
Comparative study of dielectric properties of MgNb2O 6 prepared by molten salt and ceramic method

Vishnu Shanker and Ashok K Ganguli

741

Dielectric properties of piezoelectric 3--0 composites of lithium ferrite/barium titanate

P Sarah and S V Suryanarayana

745


Mechanical Properties
Influence of fretting on the fatigue strength at the vise clamp--specimen interface

Abdulhaqq A Hamid and Rafi K Yahya

749

Subject Index 755


Author Index 767


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