Bulletin of Materials Science

Volume 25, No. 6, November 2002

CONTENTS

Cover:Three-dimensional AFM image of PANI(EB)--CSA₀ ._3
molpolymer film. For details,
see p. 525.

Papers presented at the “National Conference on Frontiers in Materials Science and Technology”, Indian Institute of Technology, Kharagpur, February 2002
*FOREWORD*	449

Study of YSZ-based electrochemical sensors with oxide electrodes for high temperature applications
A Dutta, N Kaabbuathong, M L Grilli, E Di Bartolomeo and E Traversa	451

ZrO₂ as a high-k dielectric for strained SiGe MOS devices
R Mahapatra, G S Kar, C B Samantaray, A Dhar, D Bhattacharya and S K Ray	455

Phonons in mixed superionic fluorites (BaF₂)_1--x(LaF₃)_x
M M Sinha	459

A novel method for sensing rotational speed, linear displacement and current using superconducting BPSCCO magnetic sensor
T K Dey, A Ray and S K Ghatak	463

Tunnelling of electrons through semiconductor superlattices
C L Roy	469

Investigations of surface characterization of silicone rubber due to tracking phenomena under a.c. and d.c. voltages
Uma Maheswar Rao, S S M S Abdul Majeed, C Venkataseshaiah and R Sarathi	473

Flocculation of chromite ore fines suspension using polysaccharide based graft copolymers
N C Karmakar, B S Sastry and R P Singh	477

Purification of cadmium up to 5N+ by vacuum distillation
S T Ali, J V Rao, K S Varma and T L Prakash	479

Characteristics of HgCdTe epilayer grown by LPE using horizontal slider
J K Radhakrishnan, S Sitharaman and S C Gupta	483

Development of diamond coated tool and its performance in machining Al--11%Si alloy
B Sahoo, A K Chattopadhyay and A B Chattopadhyay	487

A novel technique for fabrication of near-net-shape CMCs
A Dey, M Chatterjee, M K Naskar, S Dalui and K Basu	493

Bi-layer functionally gradient thick film semiconducting methane sensors
A Banerjee, A K Haldar, J Mondal, A Sen and H S Maiti	497

Low temperature preparation of nanocrystalline solid solution of strontium barium niobate by chemical process
Asit B Panda, Amita Pathak and Panchanan Pramanik	501

Development of nano indium tin oxide (ITO) grains by alkaline hydrolysis of In(III) and Sn(IV) salts
Nimai Chand Pramanik and Prasanta Kumar Biswas	505

UV-photoactivation technique for size and shape controlled synthesis and annealing of stable gold nanoparticles in micelle
Madhuri Mandal, Subrata Kundu, Sujit Kumar Ghosh and Tarasankar Pal	509

Improved zinc oxide film for gas sensor applications
S Roy and S Basu	513

Structural, dielectric and electrical properties of Sm-modified Pb(SnTi)O₃ ferroelectric system
B P Das, R N P Choudhary and P K Mahapatra	517

Thermal sensor properties of PANI(EB)--CSA_X (X = 0 .4 ± 0.1 mol) polymer thin films
T Prakash, S A K Narayan Dass and K Prem Nazeer	521

Studies of properties of rubber wood with impregnation of polymer
Rashmi R Devi and T K Maji	527

Synthesis and performance of a novel polyurethaneurea as pervaporation membrane for the selective removal of phenol from industrial waste water
Tarakranjan Gupta, Narayan C Pradhan and Basudam Adhikari	533

Grafted hydroxypropyl guargum: Development, characterization and application as flocculating agent
B R Nayak, D R Biswal, N C Karmakar and R P Singh	537

New semiconductor materials for magnetoelectronics at room temperature
S K Kamilla and S Basu	541

Tellurium purification: various techniques and limitations
D S Prasad, Ch Sudheer, N R Munirathnam and T L Prakash	545

Semiconductor applications of plasma immersion ion implantation technology
Mukesh Kumar, Rajkumar, Dinesh Kumar and P J George	549

Progress in deep-UV photoresists
P B Sahoo, R Vyas, M Wadhwa and S Verma	553

3-D mapping with ellipsometrically determined physical thickness/refractive index of spin coated sol--gel silica layer
S Das, P Pal, S Roy, S Chakraboarty and P K Biswas	557

Synthesis of SiC from rice husk in a plasma reactor
S K Singh, B C Mohanty and S Basu	561

Shape forming of ceramics via gelcasting of aqueous particulate slurries
S Dhara, R K Kamboj, M Pradhan and P Bhargava	565

Effect of boric acid sintering aid on densification of barium ferrite
S S Vidyawathi, R Amaresh and L N Satapathy	569

Influence of quench rates on the properties of rapidly solidified FeNbCuSiB alloy
A K Panda, I Chattoraj, S Basu and A Mitra	573

Silver and gold nanocluster catalyzed reduction of methylene blue by arsine in micellar medium
Subrata Kundu, Sujit Kumar Ghosh, Madhuri Mandal and Tarasankar Pal	577

Evolution, dissolution and reversible generation of gold and silver nanoclusters in micelle by UV-activation
Sujit Kumar Ghosh, Subrata Kundu and Tarasankar Pal	581