SMART group, IIT Indore

Dr. Somaditya Sen

Associate Professor

Discipline of Physics

Indian Institute of Technology Indore


Adjunct Associate Professor,

Ming Chi University of Technology

SEMICONDUCTANCE MAGNETISM ADVANCED RESEARCH & TECHNOLOGY (SMART)

Collaborators

Prof C F LIN, TAIWAN

Prof C H KU, TAIWAN

Dr ARJUN PATHAK, USA

Dr MAHMUD KHAN, USA

Dr SAJAL BIRING, TAIWAN

Dr A MEKKI, SAUDI ARABIA

Dr VELAGA SRIHARI, INDIA

Dr BISWARUP PATHAK, INDIA

Dr SUDIP CHAKRABARTY, INDIA

Dr INDRANEEL BHAUMIK, INDIA

Dr JAYDEEP BHATTACHARYA, INDIA

Dr DIBYENDU BHATTACHARYA, INDIA

Dr S N JHA, INDIA

PROJECTS

Correlated PHYSICAL PROPERTY measurements:

Structural, Vibrational, Optoelectronic, Photo/Gas Sensing, Magnetic, Magnetoelectric coupling, Electronic, Dielectric, Ferroelectric, Electrochemical, Energy properties, Pressure dependent studies, Dielectric Resonator Antenna, Bio-related


MATERIALS:

Simple Oxides: ZnO, TiO2, CeO2, CuO, NiO, Fe2O3, etc.

Complex Oxides: Perovskite Oxides like BaTiO3, PbTiO3(NaBi)TiO3 based Titanates; Rare Earth Manganites, Ferrites, Nickelites


FACILITY:

XRD, Dielectric Measurement Unit, Keithley Source meters,UV-visible spectrometer, Raman spectrometer, Hall-effect, Electro-chemical Analysis unit, Spin Coating Unit, Thermal Deposition system, Sputter Coater, High temperature furnaces, Oven, Pellet Press, Ultrasonic bath, Light and Gas sensing units

LAB EQUIPMENT GRADUATION MOMENTS PUBLISHED FIGURES

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RESEARCH FOCUS: Ferroelectrics, Magnetism, Multiferroics, Spintronics, Semiconductors Materials: Nanocrystals, Microcrystals, Thin films, Single Crystals, Glasses

Synthesis, Structural/electronic/magnetic characterization to investigate multiferroicity in perovskite oxides; Spintronics in dilute magnetic semiconductors Photoconduction properties of transition metal doped simple and complex oxide systemsfor device applications; Characterization for semiconductors and oxide materials (nanopartciles, nanowires) for nanodevice applications, Pressure induced studies, Electrochemical studies

CHARACTERISATION TECHNIQUES: X-ray Diffraction; X-ray Absorption; X-ray photo emission spectroscopy; UV-Vis-IR / Photo Luminescence spectroscopy; Raman Spectroscopy; Tunneling Electron Microscopy; Scanning Electron Microscopy; Electrochemical analysis; etc.

APPLICABILITY: Gas/Light Sensing, Dielectric Resonator Antennas, Semiconductors, Magnetoelectric devices

SYNTHESIS ROUTES: Solid state synthesis; Thin film deposition techniques; Sol-gel technique; Hydrothermal technique; Co-precipitation; Electro chemical deposition

Nanoparticles of complex oxide materials are synthesized using different solution based techniques. Sol-gel based materials generally tend to be small but agglomerated. This techniques generally yields extremely high purity single phase materials. Using Hydrothermal technique, generally different morphology of the same material can be produced. However, although doping can be modified the exact amount of doping always remain a undertermined factor. Co-precipitation is a powerful method similar to solgel, which can synthesize pure paze materials but with different morphologies. However, chances of phase segregation is more than solgel process.

Email: sens@iiti.ac.in Phone: +91-7312920292, +91-7312438970

SMART LAB, WORKSHOP BUILDING, IIT INDORE, SIMROL, INDORE, MP, INDIA

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