Observation of successive phase transitions in ferroelectric liquid crystal (CS-1013)
from dielectric measurements and a pseudospin type model for studying ferro and
antiferroelectric behaviour
     S K KUNDU, E OKABE, B K CHAUDHURI AND W HAASE  ................................ 109–111

Condensed Matter & Materials Physics

Hydrothermal crystallization and electrical conductivity of aluminophosphate zeolites
     B V SURESH KUMAR, K BYRAPPA, S ANAND AND
    K M LOKNATHA RAI  ................................................................................................... 113–115

Multiple scattering : a theoretic approach to nonlinear mechanical property of composites
     SUDESHNA SARKAR, ASIS KUMAR GHORAI AND T R MIDDYA  ................. 117–122

Growth and characterization of antimony thiourea bromide (ATB)
     G KANCHANA AND D ARIVUOLI  ............................................................................ 123–126

Spin glass like behaviour of a mixed-metal molecule-based magnetic material :
NBu₄Co^II[Fe^III_0.5Cr^III_0.5 (ox)₃], Bu₄ = n–(C₄H₉)₄, ox = oxalate
     A BHATTACHARJEE, R FEYERHERM AND M STEINER  .................................... 127–130

Synthesis and characterisation of (Pb_1–xBa_x) (Li_1/4La_1/4W_1/2)O₃ ceramics
     TANIKA KAR, R N P CHOUDHARY AND S BERA  ............................................... 131–134

Effect of copper doping on phosphorescence of CaS : Er phosphors
     C S GUPTA  ...................................................................................................................... 135–141

Room temperature chemical bath deposition of Sb₂Se₃ thin films from alkaline medium
     B R SANKAPAL AND C D LOKHANDE  ................................................................. 143–147

Nuclear spin-lattice relaxation of I = 3/2 quadrupolar spin-system due to domain-walls
in order-disorder ferroelectrics
     MRIGNAYANI KOTECHA AND LAKSHMAN PANDEY  .................................... 149–158

FTIR spectroscopic and thermal studies of calcium tartrate trihydrate crystals grown
by gel assistance
     VIMAL S JOSHI AND MIHIR J JOSHI  ..................................................................... 159–163

Nuclear Physics

Yield of isomers in ⁷⁶Ge (635 MeV) + ¹⁹⁸Pt deep-inelastic collision and their dependence
on projectiles (^74,76Ge) and beam energies (635, 550 MeV)
     I HOSSAIN, T ISHII, M OGAWA, M ASAI, A SHELLEY
    AND A MAKISHIMA  ............................................................................................... 165–168

Pseudo-rapidity distribution for C¹², O¹⁶, Si²⁸ and S³² on nuclear emulsion
 MOHAMED EL-MASHAD  .......................................................................................... 169–173

Non-singlet structure function at high x and neutrino scattering
     D K CHOUDHURY AND ATRI DESHAMUKHYA  .............................................. 175–180

Particle Physics

Scattering of a dyon from a dyonium
     P C PANT, V P PANDEY AND B S RAJPUT  .......................................................... 181–187

Notes

Photophysics of 6-methoxyquinoline in Nafion^® polymer matrix
     M S MEHATA AND H B TRIPATHI  ..................................................................... 189–192

Polarization analysis of elastically scattered neutron by ⁹Be
     F A EL-AKKAD  ......................................................................................................... 193–195

Maximum fluctuations of pion density in relativistic heavy-ion interactions
     DIPAK GHOSH, ARGHA DEB, JAYITA GHOSH, SWARNAPRATIM
    BHATTACHARYYA AND KANCHAN KUMAR PATRA  ................................ 197–200

On determination of phase function from phase shift
     I AHMAD AND JAMAL H MADANI  ................................................................. 201–204

Book Review    ................................................................................................................. 205

Forthcoming Publications (B)    .................................................................................. 207–208

Notes for Contributors     ............................................................................................. 219–211

Statement about ownership and other particulars etc. (Form-IV)     ....................... 213–214

Single-ion magnetic anisotropy and dipolar interactions in geometrically frustrated pyrochlore Dy₂Ti₂O₇
     Y M JANA AND D GHOSH   ............................................................................537–540

On the effect of heat treatment on thin films of lead vapour-deposited on Si(100) substrate
     S BHAUMIK AND S P SEN GUPTA  ..............................................................541–542

Condensed Matter & Materials Physics

Microindentation studies of some III–V compound alloys
     R NAVAMATHAVAN, D ARIVUOLI, G ATTOLINI AND C PELOSI  .........543–545

Numerical study of two dimensional disordered systems in an external magnetic field
     DEBNARAYAN JANA  ........................................................................................547–554

Structural and optical properties of polypropylene-talc composites
     S J AHMED, J KHANAM, F-U-Z CHOWDHURY AND A H BHUIYAN  .......555–558

Photoresponse of thermally evaporated CdTe and ZnTe thin films
     PRADIP KR KALITA, B K SARMA AND H L DAS  .........................................559–562

The optical absorption in single crystals of In_xMoSe₂ (0 £ x £ 1)
     A M VORA AND P K GARG  .................................................................................563–566

IR spectroscopy, magnetic susceptibility, Mössbauer and ac resistivity of Co-Zn ferrite
     M A AHMED, E H EL-KHAWAS, M Y HASSAN AND M ELDESOKY  .......567–572

(Pb_1-z Y_z) (Zr_0.6 Ti_0.4)_1-z/4 O₃ : their X-ray, SEM, thermal and dielectric studies
     S R SHANNIGRAHI, R N P CHOUDHARY AND H N ACHARYA  ................573–576

Crystal and molecular structure of N-(p-dimethylamino) benzylidene- 3-chloro-4-fluoro aniline
     K V ARJUNA GOWDA, M K KOKILA, PUTTARAJA, M V KULKARNI,
    J SHASHIDHARA PRASAD AND N C SHIVAPRAKASH   ............................577–579

Study of kinetic and thermodynamic parameters for the dislocation etch-pits on anthracene single crystal cleavages
     R M VAISHNAV, L K MANIAR, M J JOSHI AND R M DABHI  ....................581–584

Nuclear Physics

Investigation of two-particle azimuthal correlations of target fragments from ¹²C-Emulsion interactions at 4.5 AGeV
     DIPAK GHOSH, ARGHA DEB, ASOK KUMAR MALLICK AND RANJAN SENGUPTA  ......585–587

Particle Physics

q-deformed Weinberg-Salam model and q-deformed Maxwell equations
     S A ALAVI, M SARBISHAEI AND A MOKHTARI  ......................................589–593

Up and down dynamical quark masses from structure functions
     RANJITA DEKA AND D K CHOUDHURY  .......................................................595–599

Notes

Thermoluminescence in PbO-Al₂O₃-B₂O₃ glasses doped with certain rare earth ions
     M RAMI REDDY, P YADGIRI REDDY, S BANGARU RAJU AND N VEERAIAH  .....601–603

Empirical relations for the field dependence of electron mobility in II-VI compound semiconductors
     P S MALLICK AND D MUKHOPADHYAY  ......................................................................605–607

Growth and characterization of a new metallorganic crystal : antimony thiourea bromide
     S GOVINDA BHAT AND S M DHARMAPRAKASH  ...................................................609–611

Analysis of temperature dependence of elastic constants and bulk modulus of MgO at high temperatures
     MADAN SINGH, P P SINGH, M KUMAR AND B R K GUPTA  .................................. 613–615

Forthcoming Publications (B)    ............................................................................................... 617–618
Notes for Contributors     ........................................................................................................... 619–621
 

EPR studies on Jahn-Teller effects in zinc doped copper trisethylenediamine sulphate
    SARMILA DATTA AND A K PAL     ................................    451-452

Condensed Matter & Materials Physics

X-ray diffraction and scanning tunnelling microscopic studies of indium
intercalation compounds of tantalum disulphide and diselenide
    T K MANDAL, S K SRIVASTAVA, P BALA, B K SAMANTARAY
    AND B K MATHUR     ........................................................    453-459

Alloying behaviour of liquid Al-Ca alloys
    N JHA, S M RAFIQUE, A K MISHRA, R N SINGH AND V N SINGH   ...........................................  461-465

EPR and magnetic susceptibility study of manganese ions in Bi₂O₃.PbO.As₂O₃ glass matrix
    I ARDELEAN, M PETEANU, S SIMON, V SIMON, F CIORCAS, C BOB AND S FILIP ..............     467-470

Dielectric relaxation studies of acetophenone-ethanol mixtures using time domain reflectometry
    A C KUMBHARKHANE, S M PURANIK, C G AKODE AND S C MEHROTRA  ............................    471-474

Capacitance measurements for mercuric iodide radiation detectors
    MAHMOUD A HASSAN   .....................................................................................................................    475-477

Semiclassical theory for thermodynamics of molecular fluids. II Application to hydrogen isotopes
    SHANKAR S KARKI AND SURESH K SINHA  ...................................................................................    479-487

High temperature equation of state and bulk modulus for NaCl and KCl crystals
    J SHANKER AND S S KUSHWAH   ......................................................................................................    489-492

Study of volume-compression with pressure for some alkali halides along isotherms at high temperatures
    A VIJAY AND T S VERMA   ..................................................................................................................    493-496

Effect of sintering on the dielectric behaviour of Mn-Zn ferrite
    M A AHMED AND E H EL-KHAWAS   ..................................................................................................    497-500
 

Nuclear Physics

Effect of absorber thickness and beam divergence on gamma-ray buildup factor
GURDEEP S SIDHU, KARAMJIT SINGH, PARJIT S SINGH AND GURMEL S MUDAHAR  .................    505-507
 

Particle Physics

Non-Abelian dyons in supersymmetric theories
    MANU PRATAP SINGH AND B S RAJPUT   .........................................................................................    517-524
 

Note

Book Review ...........................................................................................     529-530
Forthcoming Publications (B)   .................................................................    531-532
Notes for Contributors   ............................................................................    533-535