ACADEMIC QUALIFICATIONS

B.Sc in Physics (Hons) in 1987 from North Bengal University

M.Sc in Physics from in 1989 North Bengal University

Post M.Sc. in 1990 from Saha Institute of Nuclear Physics, Kolkata

PhD in Soft Condensed Matter from North Bengal University in 1996

Post Doctoral Fellow from 2001-2003 at the Institute for Experimental Physics-I, University of Leipzig, Germany

COURSES TAUGHT

Teaching Engineering Physics (Paper Code PH 101, PH 201, PH 301, PH 401, BS-PH 101, BS-PH 201) for the last sixteen years (from 03. 03.2005 till date) as per the Maulana Abul Kalam University of Technology, MAKAUT, (formerly West Bengal University of Technology) prescribed syllabus.

Taught Material Science Paper (Paper Code: MS 301) for third semester for Electrical Engineering Stream as per the MAKAUT prescribed syllabus.

EXPERIENCES:

Research Activity:

Area of Research Interest – Soft Condensed Matter (Liquid Crystals)

Expertise:

a) Electro optical studies on liquid crystal based smart display devices.

b) Research and Development of materials for Liquid Crystal Displays.

c) X-ray diffraction studies of liquid crystals.

d) Nuclear Magnetic Resonance Measurements of liquid crystals.

e) Physical characterization of Liquid Crystalline materials from optical, elastic constant, dielectric permittivity and magnetic susceptibility measurements.

List of Major Research Projects implemented/ongoing

1. Development of liquid crystalline materials with optimum properties for application in vertically aligned mode liquid crystal displays, DST, New Delhi, 2007-2011 (SR/S2/CMP-29/2007), total cost: Rs.34,28,000.00

2. Development of Antiferroelectric Liquid Crystalline Materials for Application in Optical Modulators with Symmetric Switching Times (EMR/2016/005001). Total Cost: Rs. 40,00,000.

Special Lectures Delivered:

a. Lecture delivered at the “Young Physicists Colloquium” and awarded “Young Physicist” for the year 1996 held at the Saha Institute of Nuclear Physics, Calcutta 22^nd-23^rd August, 1996.

b. Lecture delivered at the Department of Physics, Martin Luther University, Halle, Germany in Jan 2003.

c. Lecture delivered at the Military University of Technology, Institute of Chemistry, Poland on the occasion on the Annual Meeting of the Polish Liquid Crystal Society, 2003.

d. Delivered an invited lecture at Raiganj University College on 28.03.2008 in a Seminar on “Some Recent Advances in Physics and Astrophysics”.

e. Delivered lecture as a resource person in “Three day workshop on X-ray Diffraction and its applications” sponsored under TEQIP, 4-6 December, 2008” Department of Physics, NIT, Silchar, Assam.

f. Lecture delivered at the Department of Physical Chemistry, Martin Luther University, Halle, Germany in July 2010.

g. Delivered two Seminar Talks on 21.01.2012 and 04.02.2012 at the Department of Physics, North Bengal University.

h. Delivered an invited lecture at National Conference on Emerging Materials on “Development of Liquid Crystalline Materials for Application in Vertically Aligned Mode Liquid Crystal Displays” March 20-22, 2018, Department of Chemistry, Assam University, Silchar.

j. Delivered an invited lecture entitlted “Dielectric and Electro-Optic Investigations on the Structure Property Relationships of Ferroelectric Liquid Crystals”, Sept.17-21, 2018,Jastrzebia Gora, Poland.

PUBLICATIONS (LAST FIVE YEARS)

In peer reviewed journals:

1. Electro-optical properties of a new series of fluorinated antiferroelectric orthoconic liquid crystalline esters, Anamika Pramanik, Malay Kumar Das, Banani Das, Magdalena Żurowska & Roman Dąbrowski, Liquid Crystals, 42(3), 412–421(2015).

2. Comparative study of the mesomorphic properties of several laterally fluorinated liquid crystalline materials, Prajnamita Dasgupta , Anamika Pramanik , Malay Kumar Das and Banani Das, Liquid Crystals, 42(8), 1083-1094(2015).

3. Mesomorphic and structural properties of some liquid crystals possessing a bicyclohexane core, Malay Kumar Das, Prajnamita Dasgupta, Banani Das and Sudipta Kumar Sarkar International Journal of Advanced Research, 3(3), 967-981(2015).

4. Self-assembling properties of lactic acid derivative with several ester linkages in the molecular core, Anamika Pramanik, Malay Kumar Das, Banani Das, Vĕra Hamplová, Miroslav Kašpar and Alexej Bubnov, Phase Transitions, 88(7), 745-757(2015).

5. Fast switching negative dielectric anisotropic multicomponent mixtures for vertically aligned liquid crystal displays, Prajnamita Dasgupta, Malay Kumar Das and Banani Das, Materials Research Express, 2, 045015 (2015).

6. Preparation and study of the electro-optical properties of binary mixtures of orthoconic anti-ferroelectric esters and achiral phenyl pyrimidine liquid crystal, Anamika Pramanik, Malay Kumar Das, Banani Das and Roman Dąbrowski, Soft Materials, 13, 201-209 (2015).

7. Effect of molecular structure on dielectric and electro-optic properties of chiral liquid crystals based on lactic acid derivatives, Barnali Barman, Banani Das, Malay Kumar Das, Věra Hamplová, Alexej Bubnov, Journal of Molecular Liquids, 283, 2019, 472-481.

8. Dielectric Properties of Chiral Ferroelectric Liquid Crystalline Compounds with Three Aromatic Rings Connected by Ester Groups, Malay Kumar Das 1, Barnali Barman, Banani Das, V ˇera Hamplová and Alexey Bubnov, Crystals 2019, 9, 473; doi:10.3390/cryst9090473 https://www.mdpi.com/2073-4352/9/9/473/pdf.

9. Dielectric Spectroscopy and Electrical Conductivity Measurements of a Series of Orthoconic Antiferroelectric Liquid Crystalline Esters, Shantiram Nepal, Banani Das, Malay Kumar Das, Madhumita Das Sarkar and Roman Dabrowski FERROELECTRICS Vol 570, Issue – 1, pages 100 – 114, 2021.

10. Fast Switching Behaviour and Dielectric Parameters of two Chiral Ferroelectric Mesogens, Shantiram Nepal, Sarmistha Mondal, Anindita Sinha, Banani Das, Malay Kumar Das, Ewelina Dmochowska, Jakub Herman & Michal Czerwiński, Liquid Crystals, 2020, March 2020, Pages 1-10 DOI: 10.1080/02678292.2020.1735547

11. Dielectric Spectroscopy and Electrical Conductivity Measurements on High-Tilted Antiferroelectric Materials,Shantiram Nepal, Banani Das, Malay Kumar Das, Katarzyna Strójwąs, Magdalena Urbańska, Phase Transitions, Vol 93, Issue 9, 2020 https:// doi.org /10.1080/01411594.2020.1813288.

In Proceedings:

1. Study of the electro-optical properties of binary mixtures of orthoconic anti-ferroelectric esters and achiral phenyl pyrimidine liquid crystal, Banani Das, Anamika Pramanik, Malay Kumar Das and Roman Dąbrowski, 22^nd National Conference on Liquid Crystals (NCLC-22) to participate and present a talk at the Department of Physics, DIT University, Dehradun, Uttarakhand during 21-23, December, 2015.

2. Effect of achiral phenyl pyrimidine molecule on the phase behaviour and physical properties of chiral orthoconic anti-ferroelectric esters, Banani Das, Anamika Pramanik, Malay Kumar Das, and Roman Dąbrowski, XXI Conference on Liquid Crystals-Chemistry, Physics and Applications, KrynicaZdroj, Poland, 18^th September, 2016 to 23^rd September, 2016.

3. Orthoconic Anti-ferroelectric Liquid Crystalline Mixtures for Application in Optical Modulators, Anamika Pramanik, Banani Das, Malay Kumar Das, Roman Dabrowski, 24^th National Conference on Liquid Crystals, NCLC 2017, Department of Chemical Sciences, IISER Mohali, 11-13 October, 2017.

4. Development of Advanced Materials for Liquid Crystal Displays, Prajnamita Dasgupta, Banani Das and Malay Kumar Das, 3^rd Regional Science and Technology Congress- 2018, West Bengal (Northern Region) held on 12^th and 13^th December, 2018 at Jalpaiguri Government Engineering College, Jalpaiguri, West Bengal, India.

5. Dielectric Studies of a New Series of Orthoconic Antiferroelectric Smectic Liquid Crystalline esters Shantiram Nepal, Banani Das, Malay Kumar Das and Roman Dabrowski:, Proceedings of the 25^th National Conference on Liquid Crystals-2019, Allahabad (2018).

6. Electro optic and Dielectric Investigations on the Structure Property Relationships of Ferroelectric Liquid Crystals, Barnali Barman, Banani Das, Malay Kumar Das, Věra Hamplová, Alexej Bubnov, 25^th National Conference on Liquid Crystals, Centre of Materials Sciences, University of Allahabad, December 19-21, 2018.

7. Electro-Optic Performance of Smart Antiferroelectric Liquid Crystalline (AFLC) Compounds Shantiram Nepal, Banani Das, Malay Kumar Das, Michal Czerwiński., 1^st International Conference on Evolving Materials and Nanotechnology for Sustainable Development, 15-16 December 2020, Central University of Technology, Kokrajhar, Assam (Poster)

8. Physical Properties of three High Tilted Antiferroelectric Liquid Crystalline Compounds from Electro-Optic Measurements Shantiram Nepal, Banani Das, Malay Kumar Das, Madhumita Das Sarkar and Michal Czerwiński., 27^th National Conference on Liquid Crystals, 21st – 23rd December 2020, Amity University Uttar Pradesh (Flash talk)

9. Advanced Materials for Vertically Aligned Liquid Crystal Displays, Prajnamita Dasgupta, Sarmistha Mondal, Banani Das, Malay Kumar Das and Madhumita Das Sarkar,2nd International Conference on Future Aspects of Sustainable Technologies (FAST Department of Chemistry, Central Institute of Technology Kokrajhar (Deemed to be University MHRD, Govt. of India), Kokrajhar, Assam, India, on 20-21 October 2020 in Virtual Platform, Mode: Oral presentation.

10. Orientational Order, Optical and Dielectric Properties of Liquid Crystals containing Bicyclohexane Rigid Core, S. Basak, S. Mondal, A.Mondal, B.Das and M.K. Das, 1st International Conference on Evolving Materials and Nanotechnology for Sustainable Development (EMNSD-2020) Department of Physics, Central Institute of Technology Kokrajhar, (Deemed to be University under MoE, Govt. of India), Kokrajhar, Assam, India On 15-16 December 2020, online mode.Mode: Oral presentation.

11. Mesomorphic Properties of a Nematic Muliti component Mixture for Vertically Aligned Liquid Crystal Displays, Sarmistha Mondal, Prajnamita Dasgupta, Banani Das, Malay Kumar Das and Madhumita Das Sarkar, 27^th National Conference on Liquid Crystals (NCLC-2020). Department of Physics, Amity Institute of Applied Sciences, Amity University Uttar Pradesh, Noida, 21^st-23^rd December, 2020 (Virtual)

12. Static Permittivity and Electro-Optical Investigations of Bi-Component Antiferroelectric Liquid Crystalline Mixtures, Shantiram Nepal, Banani Das, Malay Kumar Das, Madhumita Das Sarkar and Michal Czerwiński, 27^th National Conference on Liquid Crystals, 21st – 23rd December 2020, Amity University Uttar Pradesh.

BOOK

Work of two publications have been included as text in a book PHYSICAL PROPERTIES OF LIQUID CRYSTALS: NEMATICS, Edited by D.A. Dunmur, A. Kukuda and G.R. Luckhurst, by INSPEC publication.

ACHIEVEMENTS & REWARDS

i. Awarded the University Silver medal for securing First class Second position rank at the M.Sc. degree examinations.

ii. Awarded “Young Physicist” for the year 1996 at the Young Physicist Colloquium, 1996 conducted by the Indian Physical Society held at the Saha Institute of Nuclear Physics, Calcutta.

iii. Awarded the CSIR, Senior Research Fellowship in 1995.

iv. Awarded the CSIR Research Associateship (Post Doctoral Fellowship) in 1996 for a period of five years.

v. Awarded DFG sponsored Post Doctoral Fellowship in Germany for one and a half years (2001-2002).

vi. Awarded two months Post Doctoral assignment from 1^st September 2007 – 31^st October, 2007 at the Military University of Technology, Warsaw, Poland.

vii. Paper entitled “Development of Advanced Materials for Liquid Crystal Displays”was adjudged as “Outstanding Paper” presented in the 3^rd Regional Science and Technology Congress- 2018, West Bengal (Northern Region) held on 12^th and 13^th December, 2018 at Jalpaiguri

Government Engineering College, Jalpaiguri, West Bengal, India.

viii. Appreciation received from National Coorddinator, Training, Spoken Tutorial IIT Bombay for making outstanding contribution of using ICT based teaching and learning methodology for students of West Bengal under the National Mission on Education through ICT, funded by MHRD, Govt. of India.

ix. Co author of paper entiled “Mesomorphic Properties of a Nematic Muliticompent Mixture for Vertically Aligned Liquid Crystal Displays” adjudged as “Best Poster Presentation” at the 27^th National Conference on Liquid Crystals held at amity University, Noida under the auspices of the Indian Liquid Crystal Society, from 21-23 December, 2020.