Materials Science Group

Indira Gandhi Centre for Atomic Research, Kalpakkam

MSG

X-RAY AND CRYSTAL GROWTH SECTION

· Investigating correlation between crystal structure and functional properties - Manganites, Oxides, Matlockites, Spinels, Titanates, etc.

· Structural changes induced by temperature and pressure :  AlV2O4, LiMn2O4 and ZnCr2O4 , MFX (M=Ba/Pb; X = Cl, Br or I

· Studies on multiferroics and other functional materials unravelling their magnetic, dielectric, optical, electrical conductivity and micro/macro hardness properties

· Growth and Characterization of Technologically important Single Crystals (e.g. CdZnTe)

SQUIDS  &  APPLICATIONS SECTION

· Development of  Low Tc &  HTSC  SQUIDs

· High Field SQUID magnetometer, SQUID VSM.

· SQUID based multichannel system for Magnetocardiography (MCG) and Magnetoencephalography (MEG)

· Basic research on superconductivity and magnetism in thin films of transition metals, transition metal nitrides, YBCO, YBCO/PCMO multilayers etc. 

HIGH PRESSURE PHYSICS SECTION

· Studies on f electron based intermetallic compounds under pressure

· Studies on pressure induced polymorphic structural transitions in rare earth oxides

· In-situ High Pressure High Temperature structural stability studies on Uranates

· High pressure synthesis of novel super hard transition metal carbides, borides and nitrides

LOW TEMPERATURE STUDIES SECTION

· Studies on the evolution of ground states properties of  novel systems subjected to low temperatures, high magnetic fields and high pressures :  Superconductors (SC),  Topological insulators (TI) , Kondo insulators (KI) &  Manganites. 

·  Superconductor proximity effects induced tailoring of physical properties of topological insulators & magnetic systems : Bi-based TI/ SC (Mo, FeSe, Nb) ; Manganites (NSMO,PCMO,PSMO)/YBCO hetero-structures

· Studies on the effect of dimensionality on the physical properties of superconductors, strongly correlated materials and topological systems at low temperatures : Thin films of FeSe, FeTe, HTSC, Bi-based TI,  FeSb2

LIGHT SCATTERING STUDIES SECTION

 

· Studies on optical phonon vibrational properties  of ferroelectric, inorganic and semiconducting materials

· Studies acoustic phonon vibrational properties of relaxor ferroelectrics and related materials

· Studies on the vibrational properties of disordered systems

· Holographic Optical Tweezer Array set-up and studies on colloidal crystals

· Study of soft matter using static & dynamic light scattering, confocal laser scanning microscope; rheology of soft matter

THEORETICAL STUDIES SECTION

· Quantum Information Studies

·  Quantum optics based quantum information studies-Experimental

·  Investigations of magnetic and superconducting materials

·  Ultrafast transient and Non-linear spectroscopies

METAL PHYSICS SECTION

 

· Studies of  open volume defects and their evolutions in reactor structural materials  using  positron annihilation spectroscopic techniques : D9, Ferritic steel, High entropy alloys

·  Structural stability with respect to temperature and pressure effects  in glasses

·  Structural and magnetic phase transition studies in novel materials at atomic scale

· Studies of  point defects and their influence on local structure and magnetic properties of novel materials

· Studies on coupling of  ferroelectric and ferromagnetic properties in novel materials

COMPUTATIONAL MATERIALS SCIENCE  SECTION

· Defect  kinetics &  radiation cascades in nuclear structural materials using molecular dynamics simulations, ab-initio techniques

· Modelling of thermal, elastic and  cohesive properties of nuclear fuel materials using ab-initio and lattice dynamics  techniques

· Phase stability of structural alloys using ab-initio methods, cluster expansion, Monte Carlo  and evolutionary algorithms

· Electronic, optical, magnetic, thermal and thermoelectric  properties  of materials using ab-initio methods and molecular dynamics simulations.

· Magneto-transport  and spin phenomena  in  magnetic nanostructures  using Green’s function techniques

ION BEAM PHYSICS SECTION

· Ion-beam induced sputtering based preparation of alloy nanomaterials: Ag-Au, Cu-Ag alloy metal nanoparticles.

· Ion-beam modification of material surfaces (surface patterning, surface segregation, ion beam induced crystallization).

· Synthesis of nanoclusters by ion implantation: studies of optical and vibrational properties.

· Ion-beam effects on nanostructures (sputtering, burrowing, radiation enhanced mixing and shape changes).

ACCELERATOR & RADIATION DAMAGE SECTION

· Studies of structure and composition of nano-dispersions and their evolution under ion irradiation in model and ODS steel alloys

·  Studies on the void swelling behavior of advanced steels

·  Screening of advanced steels to evaluate optimum composition for improved void swelling resistance using the “Ion Simulation of Neutron Damage” concept.

·  Dual Beam Irradiation Facility

· Ion irradiation studies of Glass matrices

THIN FILMS & COATINGS SECTION

· Ion beam induced interface mixing – in thin film junctions

· Super-hard Magnetron sputtered TiN/TiAlN multi-layers,

· Nano-mechanical characterization of hard coatings

· Tribology of functionalized graphene nano-fluids for steel/steel contacts 

· DLC nano-composite coatings studies

NANOMATERIALS CHARACTERIZATION & SENSORS SECTION

· Carbon nanostructures and their composites for energy storage applications

· Tailoring of electrical & mechanical properties of diamond and DLC

· Electrochemical behavior of vertical graphene nanostrucutures

· Behavior of multiferroics at nanoscale for device applications

· Development of Materials for radiation detection applications

NANOMATERIALS & SENSORS SECTION

 

· Novel semiconducting metal oxide and III-V nitride nanostructures for sensor applications

· Localized  vibrational, electrical and electronic properties of single nanostructures

· Structural studies using polarized Raman and photoluminescence spectroscopic imaging technique

· Optical properties of single nanostructures

ELECTRONICS & INSTRUMENTATION SECTION

· Development and characterization of semiconductor based neutron detectors

· Studies on tailor-made microcantilevers for sensor applications

· Optical and wetting properties of thin films and patterned surfaces

Research