Samit Kumar Ray
Professor
Physics
Indian Institute of Technology Kharagpur
India
Biography
Samit Kumar Ray is an Professor in the Department of Physics at IIT Kharagpur.
Research Interest
* MBE growth of SiGe heterostructures, quantum wells and quantum dots * Ge nanocrystals for light emitters and quantum dot memory devices * Quantum cascade SiGe structures for THz sources and detectors * Semiconductor nanostructures for photonic and electronic devices * Si/Ge nanowires and their heterojunctions including single nanowire devices * ZnO and other II-VI semiconductor nanostructures for sensing, memory and photonic devices * 2D materials heterostructures on Si platforms * Strained layer epitaxial growth of Si1-xGe, Si1-yCy and Si1-x-yGexCy films by MBE, UHVCVD and Solid phase epitaxy. * Ultra-thin and high-k gate dielectric films on strained-Si and strained SiGe layers * Ferroelectric thin films for memory and sensing applications
Publications
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Solution processed, hybrid 2D/3D MoS2/Si heterostructures with superior junction characteristics by Mukherjee S., Biswas S. , Das S. , Ray S. K. Nanotechnology 28 135203- (2017)
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Hybrid Opto-chemical doping in Ag nanoparticle decorated monolayer CVD graphene probed by Raman spectroscopy by Maiti R., Haldar S. , Majumdar D. , Singha A. K., Ray S. K. Nanotechnology 28 075707- (2017)
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Highly Luminescent WS2 Quantum Dots/ZnO heterojunctions for Light Emitting Devices by Ghorai A., Bayan S. , Gogurla N. , Midya A. , Ray S. K. ACS Appl. Mater. Interfaces 558-565 (2017)
