Hemen Kumar Kalita

Hemen Kumar Kalita

Assistant Professor

MSc (Gauhati) PhD (IIT, Bombay)

Nanoelectronics and Nanotechnology

Department of Physics
Gauhati University, Guwahati, 781014
Email:- hemenkalita@gauhati.ac.in

Visiting Fellow, July 2018, Dept. of Physcis, IIT Bombay

Visiting Fellow, July 2017, Dept. of Physics, IIT Bombay

Research Associate, Jan 2016 - July 2016, Dept. of Physics, IIT Bombay

Ph.D., 2016, Dept. of Physics, IIT Bombay

M. Sc. in Physics, 2008, Gauhati University

B. Sc. in Physics, 2006, B. Borooah College

1. Early Career Research (ECRA) Award by DST-SERB, Govt of India in 2018.

2. UGC-BSR Research Start-Up grant by UGC, Govt of India in 2017.

3. Qualified CSIR-UGC NET in June-2009 with AIR-50 in Physical Sciences.

4. Qualified GATE-2009 with AIR-337 and percentile-93.72 in Physical Sciences.

5. Ministry of human resource development (MHRD) fellowship from Govt. of India while pursuing Ph.D. degree at IIT Bombay from Jan 2010- Dec 2015.

6. 2nd prize in Quiz competition in International Year of Physics (IYP), IIT Guwahati.

7. 3rd prize in Essay competition in International Year of Physics (IYP), Gauhati University.

1. Hemen Kalita, M. Aslam, ‘Filter adsorbent’ INDIAN PATENT (IPA No. 1626/MUM/2015)

2. Hemen Kalita, Jeotikanta Mohapatra, Arijit Mitra, D. Bahadur and M. Aslam, ‘Method of synthesis of monodispersed graphene quantum dots’ INDIAN PATENT (IPA No. 2476/MUM/2015)

3. Hemen Kalita, Vinay S Palaparthy, Maryam Shojaei Baghini, M. Aslam, ‘Soil Moisture Sensor Based on Electrochemically Synthesized Graphene Quantum Dots’ INDIAN PATENT (IPA No.2796/MUM/2015)

4. Hemen Kalita, V. Palaparthy, M. S. Baghini, M. Aslam, Capacitive based graphene soil moisture sensor’. (E-11/88/2016/MUM)

5. Hemen Kalita, V. Palaparthy, M. S. Baghini, M. Aslam, Method for synthesis of graphene quantum dots'. (IPA No. TEMP/E-1/46254/2018-MUM)

1. Hemen Kalita, V. Palaparthy, M. S. Baghini, M. Aslam, Graphene oxide based soil moisture sensor for in situ agriculture applications. (2018) Sensors & Actuators B: Chemical. Impact factor: 5.7

2. F. J, Sonia, Hemen Kalita, M. Aslam, M. A. Mukhopadhyay, Correlations between preparation methods, structural features and electrochemical Li-storage behavior of reduced graphene oxide. (2017) Nanoscale. Impact factor: 7.76

3. H. Tyagi, T. Khan, J. Mohapatra, A. Mitra, Hemen Kalita, M. Aslam, The exclusive response of LSPR in uncapped gold nanoparticles towards silver ions and gold chloride ions. (2016) RSC Advances. Impact factor: 3.708

4. Hemen Kalita, V. Palaparthy, M. S. Baghini, M. Aslam, Graphene quantum dot soil moisture sensor. (2016) Sensors & Actuators B: Chemical. Impact factor: 5.7

 5. Hemen Kalita, J. Mohapatra, A. Mitra, D. Bahadur, M. Aslam, Efficient synthesis of rice based graphene quantum dots and their fluorescent properties. (2016) RSC Advances. Impact factor: 3.708

6. Hemen Kalita, Harikrishnan V, M. Aslam, ‘Field Effect Transport Properties of Chemically Treated Graphene Quantum Dots’ (2014) International Journal of Nanotechnology. Impact factor: 1.80.

7. J Debgupta, S Mandal, Hemen Kalita, A Patra, M Aslam, K Vijayamohanan, Photophysical and photoconductivity properties of thiol functionalized graphene-CdSe QD composites, (2014) RSC Advances. Impact factor: 3.708

8. Abhishek Misra, Hemen Kalita, and Anil Kottantharayil, ‘Work Function Modulation and Thermal Stability of Reduced Graphene Oxide Gate Electrodes in MOS Devices’ (2013) ACS Applied Materials and Interfaces. Impact factor: 8.09

9. Hemen Kalita, Harikrishnan V, Dhanraj B. Shinde, Vijayamohanan K. Pillai, M. Aslam, “Hysteresis and charge trapping in graphene quantum dots” (2013) Applied Physics Letters. Impact factor: 3.5

10. Abhishek Misra, A Janardanan, Hemen Kalita, Manali Khare, and Anil Kottantharayil ‘Reduced Multilayer Graphene Oxide Floating Gate Flash Memory With Large Memory Window and Robust Retention Characteristics’,(2013) IEEE Electron Device Letters. Impact factor: 3.023

11. Abhishek Misra, Mayur Waikar, Amit Gour, Hemen Kalita, Manali Khare, Mohammed Aslam and Anil Kottantharayil, “Work function Tuning and Improved Gate Dielectric Reliability with Multilayer Graphene as a Gate Electrode for Metal Oxide Semiconductor Field Effect Device Applications”,(2012) Applied Physics Letters. Impact factor: 3.5

1. Hemen Kalita, Harikrishnan V., M. Aslam, “Field Effect Transport Properties of Electrochemically prepared Graphene Quantum Dots”, IEEE Conference Proceedings, 978-1-4673-4842-3/13

2. Hemen Kalita, Harikrishnan V, M. Aslam. “The Transport Behavior of Graphene Quantum Dots”, DAE-SSPS-2012, IIT Bombay. AIP Conference Proceedings 1512, 304

3. Hemen Kalita, Harikrishnan V, M. Aslam. “Humidity Sensing properties of Graphene Quantum Dots”, IEEE Conference Proceedings 978-1-4673-3136-4/12

4. Hemen Kalita, Harikrishnan V, M. Aslam. “High Ion/Ioff ratio of Electrochemically prepared Graphene Quantum Dots” Recent Trends in Applied Materials (RAM) 2013, AIP Conference Proceedings 1536, 189

5. Ajay kushwaha, Hemen Kalita, M. Aslam, “Effect of oxygen annealing on the surface defects and photoconductivity of vertically aligned ZnO nanowire array”, World Academy of Science, Engineering and Technology, Vol: 74 2013-02-27.

6. Arijit Mitra, Hemen Kalita, J. Mohapatra, M. Aslam, “Electrochemical Capacitive Properties of Mn3O4 Nanoparticles and Reduced Graphene Oxide Composite” AIP Conference Proceedings 1536, 225

7. Abhishek Mishra, Manali Khare, Hemen Kalita, M. Aslam, Anil Kottantharayil, “Extraction of Graphene/TiN Work Function Using Metal Oxide Semiconductor (MOS) Test Structure”, IEEE Conference Proceedings 978-1-4673-3136-4/12

8. Abhishek Mishra, Hemen Kalita, Meenakshi Bhaisare, Mayur Waikar, Amit Gour, Mohammed Aslam and Anil Kottantharayil, “Multilayer Graphene as Charge Storage Layer in Floating Gate Flash Memory”, IEEE Conference Proceedings 978-1-4673-1081-9/12       

1. M.Sc. Physics Semester I

  • PHY-1025 Classical Mechanics 
  • PHY-1056 General Practical

2. M.Sc. Physics Semester II

  • PHY-2035 Electronics I
  • PHY-2056 General Practical

3. M.Sc. Physics Semester III

  • PHY-3036 Electronics II
  • PHY-3105 Advanced General Practical

4. M.Sc. Physics Semester IV

  • PHY-4035 Experimental Methods
  • PHY-4046 Advanced Electronics
  • PHY-4105 Dissertation

5. Pre-PhD Course Work

  • Research Methodology
  • Electronics

6. M.Sc. in Radiological Physics (Electronics)

7. Teaching Assistanship for B. Tech 1st year Physics Lab course (PH 117) (for 5 semesters) and Nanoscience course (EP-439) for Dual degree students in the Department of Physics, IIT Bombay.

8. Teaching experience as a Lecturer, Department of Physics in 2008-09, B. Borooah College, Guwahati, Assam.

1.'Graphene derivatives and its sensing applications' - Invited talk in National conference on Condensed matter Physics, CMDAYS 2018, University of Burdwan.

2. 'Basics of IC Fabrication' (2018) - Resource Person for the Sixth School on System Design using Microcontroller, Gauhati University.

3. Graphene - the miracle material, (2018) - Invited speaker in the Alumni Lecture Series, Dept of Physics, B. Borooah College.

4. Graphene derivatives based humidity and soil mositure micro sensor', (2017) - Invited talk in the Dept of Instrumentation and USIC, Gauhati University.

5. 'Transport and Sensing properties of graphene', (2017) Invited talk in the Dept of Physics, Tripura University.

6. 'Surface tailored graphene oxide membranes as efficient filters for water pollutants', (2017) UGC-SAP National Seminar on Advances in Materials Science, Gauhati University.

7. 'Electronics at nanoscale', (2016) Invited talk Dept. of Physics, Kaliabor College.

8. 'Graphene: a revolution in 2-dimensions', Dept. of Physics, (2016) Gauhati University.

9. 'Graphene based derivatives and their applications', (2015) SYMPHY, Dept of Physics, IIT Bombay.

10. 'Graphene oxide filter papers' (2014) MIT-IITB TCTD workshop, IIT Bombay.

11. 'Graphene, Graphene-oxide and Graphene quantum dots', (2013) Invited talk in the Dept. of Physics, B. Borooah College.

12. 'Humidity sensing properties of graphene quantum dots' (2012), ICEE, Dept of EE, IIT Bombay.

1. Member of the Technical/Operational committee for FESEM, Central Instrumentation Facility (CIF), Gauhati University
 
2. Convener, 65th Foundation day (2019), Department of Physics, Gauhati University.
 
3. General Secretary, Physical Society (2019), Department of Physics, Gauhati University.
 
4. Convener, 64th Foundation day and Alumni meet (2018), Department of Physics, Gauhati University.

5. General Secretary, Physical Society (2018), Department of Physics, Gauhati University.
 
6. Peer reviewer for ACTA (Assam College Teachers' Association) Journal.
 
7. Member of the organising committe in the UGC-SAP sponsored National Seminar on 'Advances in Material Science' (2017), Department of Physics, Gauhati University.
 
8. Chaired a session in ‘SYMPHY 2014’, 4th Annual Symposium of the Department of Physics, IIT Bombay organized by Research Scholar’s Association of Physics (RSAP), Department of Physics, IIT Bombay.

9. Volunteer for the 7th Indo-Singapore Symposium 2014, IIT Bombay organized by Dept. of Physics, IIT Bombay.

10. Departmental student co-ordinator of the Physics Department in the Tech Connect Event of Techfest 2013-14 (Asia’s Largest Science and Technology Festival) organized by IIT Bombay. (Department got the 3rd prize in the event)

11. Member of the core committee for the open house symposium ‘SYMPHY-2013’ organized by Research Scholar’s Association of Physics (RSAP), Department of Physics, IIT Bombay.

12. Member of the organizing committee as a volunteer in the DAE - Solid State Physics Symposium (DAE-SSPS) 2012 in IIT Bombay organized by the Dept of Physics, IIT Bombay. 

13. Operator of High Resolution Scanning Electron Microscope (HR-SEM) for two years in Centre for Research in Nanotechnology (CRNTS), IIT Bombay from 2011-2013.

14. Teaching Assistant at IIT Bombay. (2010-2014)

15. Mentored mini- research projects of Advanced Laboratory Techniques in Nanoscience course (EP-439) for B.Tech-M.Tech (dual degree) students. (2011-2014) (Course Instructor- Prof. M. Aslam).

16. Sports Secretary, 2010-11 Hostel 14 IIT Bombay.

1. Silver medal, Cricket, Runner's-up in S. N. Memorial Cricket Tournament (2019), Gauhati University.

2. Silver medal, Cricket, Runner's-up in S. N. Memorial Cricket Tournament (2018), Gauhati University.

3. Gold medal, Cricket, Winner in S. N. Memorial Cricket Tournament (2017), Gauhati University.

4. Sports Color Award, 2015-16, Hostel-14, IIT Bombay.

5. Sports Citation Award, 2014-15, Hostel 14, IIT Bombay.

6. Sports Special Mention Award, 2012-13, Hostel 14, IIT Bombay.

7. POGC (Player of General Championship) in Carrom, 2014-15, IIT Bombay.

8. Gold Medalist in Carrom GC 2011-12, IIT Bombay.

9. Gold Medalist in Carrom GC 2014-15, IIT Bombay.

10. Silver Medalist in Carrom GC 2015-16, IIT Bombay

11. Bronze medal in Cricket PG sports 2012, IIT Bombay.

12. Bronze medal in Carrom PG Sports 2011-12, IIT Bombay.

13. Bronze medal in Carrom PG Sports 2012-13, IIT Bombay.

14. Bronze medal in TT PG Sports 2012-13, IIT Bombay.

15. Guiness book of world record for Rubik’s cube

16. Limca book of world record for Rubik’s cube.

17. Certificate of appreciation for participating PG-Cult 2016, IIT Bombay

 

Research Interests

 

2-D materials especially graphene and related devices

Design and growth of nanomaterials/thin films

Optical and transport properties of graphene and its derivatives

Graphene based humidity, soil moisture and chemical sensors

Nanomaterials for waste water treatment and water filtration

 


 

Sponsored Research Projects (5 ongoing projects)

1. Early Career Research grant by SERB.

2. UGC-BSR Research Start-Up grant.

3. Innovation, Technology Generation and Awareness (ITGA) project funded by S&T division ASTEC.

4. Young faculty project grant under the 'Scheme for Promoting Research among Young Faculties'.

5. Research & Development programme project funded by S&T division ASTEC.

 

Nanomaterials and Nanoelectronics (NAMONICS) Lab

Group Leader

Dr. Hemen Kumar Kalita

 

PhD Students

1. Rajesh Ghosh (CSIR-UGC NET JRF) (2018 - Ongoing)

2. Biswajit Dehingia (Past- INSPIRE Fellow) (2018 - Ongoing)

 

Project Staff

1. Anurag Kashyap (Project Staff, DST-SERB Project) (2018 - Ongoing)