Bimal Kumar Sarma

Assistant Professor

MSc (Gauhati) PhD (IASST)

Nanoscale Physics, Materials Science

Department of Physics
Gauhati University, Guwahati, 781014
Email: bimal[at]gauhati[dot]ac[dot]in

Welcome to my homepage ...

 

I work in the area of nanophysics. My current research interests primarily include -

 

  • physics of transparent conducting films

 

  • metal-semiconductor nanostructure and associated phenomena

 

  • biomimetic bone-like crystals

 

M. Sc. (Physics)

 

1. Quantum Mechanics - I (Sem I)

 

2. Nanophysics (Sem III, IV)

 

3. Statistical Mechanics (Sem IV)

 

4. Physics Labs (Sem I, II, III)

 

5. Projects/Dissertations

 

pre-PhD course work: Selected topics of Experimental Physics and Condensed Matter Physics

 

M. Sc. (Instrumentation & Applied Physics): Materials Science (Sem II) - till 2019

Broad Research Area

  • Transparent conducting thin films
  • Biomimetic nanostructure
  • Plasma nanoscience

Sponsored Projects

  • UGC Start-up Grant for Newly Recruited Faculty - Biomimetic approach to Nanocrystals (2014 -2016)
  • SERB, DST Young Scientist Grant, SB/FTP/PS-36/2014 - Smart Transparent Electrode (2015 - 2018)
  • ASTEC R&D Grant - Colour pure light emission from ZnO based systems (2018 - 2021)

 

Research Group

  • Dr. Bimal K. Sarma, Assistant Professor
  • Mr. Pradhyut Rajkumar (M.Sc., NET), PhD Scholar & Project Fellow (2016 batch) - Thesis Submitted
  • Mr. Dipak Barman (M.Sc., NET-JRF), PhD Scholar (2017 batch)
  • Mr. Jnanraj Borah (M.Sc., NET-JRF), PhD Scholar (2018 batch)

 

Patent

  1.  Title: An improved AZO sputtering target for manufacturing transparent conducting film and the method  thereof

             Inventors: Bimal Kumar Sarma, Pradhyut Rajkumar, Bikash Sarma

             Patentee: Bimal Kumar Sarma, Pradhyut Rajkumar, Bikash Sarma

             Patent No.: 339332

             Indian Patent Appl. No.: 201831022820; Date of Filing: 19 June, 2018; Date of Grant: 25 June 2020

For demo video please click here.

The technology is open for commercialization. Interested company/agency may contact at bimal@gauhati.ac.in

Journal Publications

 

For updated details, please visit: google scholar or scopus

 

1. Pradhyut Rajkumar,  Bimal K. Sarma,

Role of Zn and Mg substitutions on the mechanical behaviour of biomimetic hydroxyapatite and insight of the emergence of hydroxyapatite-ZnO nanocomposite, Materials Characterization 176 (2021) 111107. (I. F.: 4.342, Citations: 1)

 

2. Jnanraj Borah, Bimal K. Sarma, Design strategy and interface chemistry of ageing stable AZO films as high quality transparent conducting oxide, Journal of Colloid and Interface Science 582 (2021) 1041. (I. F.: 8.128, Citations: 2)

 

3. Mintu Das, Samarjit Sarmah, Dipak Barman, Bimal K. Sarma, Deepali Sarkar,

Distinct Band UV-Visible Photo-sensing Property of ZnO-Porous Silicon (PS): p-Si Hybrid MSM Heterostructure, Materials Science in Semiconductor Processing 118 (2020) 105188. (I. F.: 3.927, Citations: 6)

 

4. Dipak Barman and Bimal K. Sarma, Thin and flexible transparent conductors with superior bendability having Al-doped ZnO layers with embedded Ag nanoparticles prepared by magnetron sputtering, Vacuum 177 (2020) 109367. (I. F.: 3.627, Citations: 6)

 

5. Bimal K. Sarma  and Pradhyut Rajkumar, Al-doped ZnO transparent conducting oxide with appealing electro-optical properties – Realization of indium free transparent conductors from sputtering targets with varying dopant concentrations, Materials Today Communications 23 (2020) 100870. (I. F.: 3.383, Citations: 10)

 

6. Pradhyut Rajkumar and Bimal K. Sarma, Ag/ZnO heterostructure fabricated on AZO platform for SERS based sensitive detection of biomimetic hydroxyapatite, Applied Surface Science 509 (2020) 144798. (I. F.: 6.707, Citations: 6)

 

7. Bikash Sarma, Dipak Barman and Bimal K. Sarma, AZO (Al:ZnO) thin films with high figure of merit as stable indium free transparent conducting oxide, Applied Surface Science 479 (2019) 786. (I. F.: 6.707, Citations: 51)

 

8. Bikash Sarma, Pradhyut Rajkumar and Bimal K. Sarma, Microstructural evolution and optical dispersion of sputtered ZnO thin films at low annealing temperature, Materials Research Express 6 (2019) 016420. (I. F.: 1.620, Citations: 3)

 

9. Bikash Sarma and Bimal K. Sarma,

Role of residual stress and texture of ZnO nanocrystals on electro-optical properties of ZnO/Ag/ZnO multilayer transparent conductors, Journal of Alloys and Compounds 734 (2018) 210. (I. F.: 5.316, Citations: 41)

 

10. Bikash Sarma and Bimal K. Sarma,

Fabrication of Ag/ZnO heterostructure and the role of surface coverage by Ag nanoparticles on the photophysical and photocatalytic properties of the metal-semiconductor system, Applied Surface Science 410 (2017) 557. (I. F.: 6.707, Citations: 77)

 

11. Bimal K. Sarma, Pintu Barman, Bikash Sarma, Apurba Das and Arup R. Pal,

Biomimetic deposition of carbonate apatite and role of carbonate substitution on mechanical properties at nanoscale, Materials Letters 185 (2016) 387. (I. F.: 3.423, Citations: 12)

 

12. Bimal K. Sarma and Bikash Sarma,

Role of magnesium on the biomimetic deposition of calcium phosphate, Journal of Physics: Conference Series 765 (2016) 012025. (I. F.: --, Citations: --)

 

13. Bikash Sarma, Sujit K. Deb and Bimal K. Sarma,

Photoluminescence and photocatalytic activities of Ag/ZnO metal-semiconductor heterostructure, Journal of Physics: Conference Series 765 (2016) 012023. (I. F.: --, Citations: 18)

 

14. Bimal K. Sarma, Apurba Das, Pintu Barman and Arup R. Pal,

Biomimetic growth and substrate dependent mechanical properties of bone like apatite nucleated on Ti and magnetron sputtered TiO2 nanostructure, Journal of Physics D: Applied Physics 49 (2016) 145304. (I. F.: 3.207, Citations: 13)

 

15. Bimal K. Sarma, Arup R. Pal, Heremba Bailung  and Joyanti Chutia,

Effect of post-deposition annealing on the growth of nanocrystallineTiO2 thin films and elastic anisotropy of rutile phase at different temperatures, Journal of Alloys and Compounds 577 (2013) 261. (I. F.: 5.316, Citations: 17)

 

16. Bimal K. Sarma, Arup R. Pal, Heremba Bailung and Joyanti Chutia,

Growth of nanocrystalline TiO2 thin films and crystal anisotropy of anatase phase deposited by direct current reactive magnetron sputtering, Materials Chemistry and Physics 139 (2013) 979. (I. F.: 4.094, Citations: 22)

 

17. Bimal K. Sarma, Arup R. Pal, Heremba Bailung and Joyanti Chutia,

A hybrid heterojunction with reverse rectifying characteristics fabricated by magnetron sputtered TiOx and plasma polymerized aniline structure, Journal of Physics D: Applied Physics 45 (2012) 275401. (I. F.: 3.207, Citations: 20)

 

18. Bimal K. Sarma, Arup R. Pal, Heremba Bailung and Joyanti Chutia,

Role of ion energy on growth and optical dispersion of nanocrystalline TiO2 films prepared by magnetron sputtering with ion assistance at the substrate, Applied Surface Science 258 (2012) 5659. (I. F.: 6.707, Citations: 14)

 

19. Bimal K. Sarma, Arup R. Pal, Heremba Bailung and Joyanti Chutia,

Microstructural, optical, and dielectric properties of nanocrystalline TiO2 films prepared via ion-assisted magnetron sputtering, International Journal of Materials Research 103 (2012) 564. (I. F.: 0.909, Citations: 1)

 

20. Arup R. Pal, Bimal K. Sarma, Nirab C. Adhikary, Joyanti Chutia and Heremba Bailung,

TiO2/polyaniline nanocomposite films prepared by magnetron sputtering combined with plasma polymerization process, Applied Surface Science 258 (2011) 1199. (I. F.: 6.707, Citations: 26)

 

21. Bimal K. Sarma, Arup R. Pal, Heremba Bailung and Joyanti Chutia,

Extended Conjugation in Polyaniline Like Structure Prepared by Plasma Polymerization Suitable for Optoelectronic Applications, Plasma Chemistry and Plasma Processing 31 (2011) 741. (I. F.: 3.148, Citations: 16)

 

 

 

 

 

 

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