Department of Physics

Permanent URI for this communityhttps://ir.nbu.ac.in/handle/123456789/4173

Physics is one of those departments with which North Bengal University started its journey in the year 1962. At present there are nine faculty members and ten non-teaching employees in the department. The department has active research groups in the field of (a) Liquid Crystal, (b) Relativity, Cosmology, and Astrophysics, (c) High-energy Heavy-ion Interaction and Cosmic-ray Physics, and (d) Solid-state devices. Several research projects sponsored by the DST, DAE, UGC, and Tea Research Board are running in the department. In the year 2003 the department received a financial support under the FIST programme from the DST, Govt. of India. The department offers both M.Sc. and Ph.D. courses. A semester system is followed in the M.Sc. level, with three different areas of specialization namely, Condensed Matter Physics, Electronics and Nuclear and Particle Physics, out of which a student can choose one. The annual intake capacity in M.Sc. is 40 students. In the Ph.D. programme of the department right now 25 research students are enrolled under the supervision of different faculty members. Almost all faculty members are involved in intra and inter-university national and international collaborations of scientific research. The department houses one IUCAA Resource Centre, a Data Centre for Observational Astronomy, six teaching laboratories, several research laboratories and one departmental library. From time to time the department organizes Seminars, Symposia, Conferences, Schools, Refresher Courses, and Outreach Programs.

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    Investigation of Oxygen Sensing Capabilities and Relative Performance of Commonly Used Materials in A Combustion Environment
    (University of North Bengal, 2021-01) Roy, Chinmay; Chatterjee, Suman
    Several different oxygen sensitive materials have been synthesized and relative sensing capability was evaluated. Resistive response behaviors with varying oxygen gas concentration on TiO2, Nb2O5, WO3, La2CuO4, SrTiO3, SrCeO3 and La0.8Sr0.2MnO3 have been studied. The best operating temperature for maximum sensitivity was identified individually. The response at optimum temperature was calibrated for actual lean and rich combustion environment. The relative sensitivities with all pollutant gases present in combustion exhaust have been investigated in their relative concentration ranges.
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    Array Of Nanostructured Sensor Elements For Determination of Tea Quality
    (University of North Bengal, 2021-01) Ghosh, Aparna; Roy, Chinmay; Chatterjee, Suman
    Detection of Volatile organic compounds is important for identification of flavour in different commercial organic products like Tea, Coffee, Wine, etc. The flavour components are detected through porous nanostructured Zinc Oxide (ZnO) sensing elements. This work shows the potential application of nanostructured gas sensor arrays for monitoring the quality of Indian tea.