Bulletin of Materials Science
volume 23, No.4, August 2000
CONTENTS
Phase
Transitions
Phase transition in Na2TeO4 ceramics N K Singh and R N P Choudhary 239
Refractory Cements
Ceramic joining through reactive
wetting of alumina with cakcium aluminate refractory cements
K Geetha,
AM Umarji and T R N
Kutty 243
Nitride Ceramics
Optimization of time-temperature
schedule for nitridation of silicon compact on the basis of
silicon and
nitrogen reaction
kinetics
J Rakshit and P K
Das 249
Ceramics
Phase analysis and dielectric
properties of ceramics in Pbo-MgO-ZnO-Nb2O5 system:
A comparative study of
materials obtained by ceramic and
molten salt synthesis routes
M Thirumal and A K
Ganguli
255
Nanomaterials
Incorporation of cobalt and nickel
metal nano-particles in nano-grain zirconia film matrix by
solution route
S Jana and P K
Biswas
263
Superconductors
Specific heat studies in Ho-Ba-CuO superconductors: Fermionic and
bosonic contributions
Dinesh varshney, Sanjay Shah and R K
Singh 267
Composite Materials
Conductivity, dielectric behaviour
and magnetoelectric effect in copper ferrite-barium titanate
composites
R P Mahajan, K K Patankar, M B Kothale and S A
Patil 273
Glasses
EPR, IR and DC conductivity studies
of xCuo-(100 -x) B2O3
glasses D Sreenivasu and V
Chandramouli 281
Dielectric properties of NaF-B2O3 glasses
doped with certain transition metal ions
M Krishna Murthy,
K S N Murthy and N
Veeraiah 285
Alloys
A test for diffusional coherency
strain hypoyhesis in the discontinuous precipitation in Mg-Al alloy
K T Kashyap, C Ramachandra, V Bhat and B
Chatterji
295
Material Synthesis
Thermal formation of corundum
from aluminium hydroxides prepared from various aluminium salts
J Temuujin, Ts Jadamba, K J D Mackenzie, P
Angerer, 301
Calcium ferrite formation from the
thermolysis of calcium tris (maleato) ferrate (III)
B S Randhawa and Kamaljeet
Sweety 305
Thin Films
Gas-chromism in ultrasonic spray pyrolyzed tungsten oxide thin films P S Patil 309
Structural characterization of
vacuum evaporated ZnSe thin films
Pradip Kr Kalita, B K Sarma and
H L Das 313
Polymers
An Experimental investigation of electrical conductivities in biopolymers H Mallick and A Sarkar 319
Electrical Properties
Electrical properties in ethyl cellulose-chloranil system P K Khare, R K Pandey and P L Jain 325
Current-voltage studies on b-FeSi2/Si
heterojunction
A Datta, S Kal and S
Basu 331
Electrical conductivity measurements
on gel grown KDP Crystal added with some ammonium compounds
T H Freeda and
Mahadevan
335
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