RESEARCH INTERESTS

I. At Department of Physics, IIT Delhi (May’02-till date) :

SPINTRONICS (Half Metallic Systems, Giant Magnetoresistive Multilayers, Magnetic Tunnel Junctions, Ferromagnetic semiconductors)

■ Material Systems for Spintronics (Ion beam sputtered Fe/MgO/Fe MTJs, Cu/Co Multilayers, Half Metallic Ferromagnets – CrO₂, Fe₃O₄)

■ Room Temperature Ferromagnetic Semiconductors for Spintronics (Transition metal incorporated ZnO, SnO₂, TiO₂, In₂O₃)

■ Growth and Investigations of electrodeposited high GMR multilayers of Cu/Co

SUPERCONDUCTIVITY

■ Growth & Investigations of the MgB₂ & YBCO Superconductor

FIRST ORDER PHASE TRANSITIONS

■ First Order Phase Transition in a (Na_0.5Bi_0.5)_1-xBa_xTiO₃ Dielectric system

■ Magnetic Phase Transitions in Dysprosium

OTHER INTERESTS

■ X-Ray Reflectivity Studies in Sputtered Multilayered Nitride coatings

II. At Low Temperature Physics Laboratory, Center for Advanced Technology, Indore (Apr’97-Apr’02)

■ PEAK EFFECT in certain hard type-II superconductors (CeRu₂, Bi-2212, Mo-Re alloys, Nb, etc.)- a consequence of a First order phase transition in Vortex matter

■ Metamagnetic Antiferro-to-Ferromagnetic Transition in Ce(Fe_1-xR_x)₂ - a First order MAGNETIC phase transition

■ MAGNETOCALORIC EFFECT (MCE) and Magnetization Studies in La_1-XSr_XCoO₃ system

III. During Ph.D., At Department of Physics, IIT Delhi, INDIA (Jan’92-Mar’97)

(Thesis : Growth and Investigations on YBa₂Cu₃O_7-δ Thin Films Sputtered at Low Pressures)

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