PUBLICATIONS:

Books

  1. "Heavily-Doped 2D-Quantized Structures and the Einstein Relation", K.P.Ghatak, S. BHATTACHARYA, Springer Tracts in Modern Physics, Vol. 260, pages: 374, ISBN: 978-3-319-08380-3, (2015).

  2. "Debye Screening Length in Nanoscale Semiconductors", K.P.Ghatak, S. BHATTACHARYA, Springer Tracts in Modern Physics, Vol. XXXIII, pages: 385, ISBN: 978-3-319-01338, Appearing in (2014)

  3. "Effective Electron Mass in Low Dimensional Semiconductors", S. BHATTACHARYA and K.P. Ghatak, Springer Series in Materials Science, Vol. 167, (2012), ISBN: 978-3-642-3s1247-2, pages-400

  4. "Quantum Dots and Quantum Cellular Automata: Recent Trends and Applications", D. De, S. BHATTACHARYA and K.P. Ghatak, Nova Science Publishers, USA, (2013) ,ISBN: 978-1-62257-920-4.

  5. "Fowler-Nordheim Field Emission from Semiconductors and their Nanostructures", S. BHATTACHARYA and K.P. Ghatak, Springer Series in Solid State Sciences, Vol. 170, (2011), ISBN: 978-3-642-20492-0, pages-381.

  6. "Bismuth: Characteristics, Production and Applications", K.P. Ghatak and S. BHATTACHARYA, (Acted as Co-Editor), Materials Science and Technologies Series, Nova Science Publishers, USA, (2011), ISBN: 978-1-61470-640-3, pages-282.

  7. "Thermoelectric Power in Nanostructured Materials Under Strong Magnetic Field", K. P. Ghatak and S. BHATTACHARYA, Springer Series in Materials Science, Vol. 137, (2010), ISBN: 978-3-642-20492-0, pages-460.

  8. "Photoemission from Optoelectronic Materials and their Nanostructures", K. P. Ghatak, S. BHATTACHARYA and D. De, Springer Series in Nanostructure Science And Technology, New York, Vol. XX, (2009), ISBN: 978-0-387-78605-6, pages-329.

  9. "Einstein Relation in Compound Semiconductors and their Nanostructures", K. P. Ghatak, S. BHATTACHARYA and D. De, Springer Series in Materials Science, Vol. 116, (2009), ISBN: 978-3-540-79556-8, pages-458.

Patent

  1. R. VERMA, S BHATTACHARYA and S. Mahapatra, " A graphene based thermoelectric generator", Applied for Indian patent, Application Number: 3625/CHE/2013, August 2013.

Selected International Journals (GROUP)

  1. A. Bansal, H. Mishra, S. BHATTACHARYA, and B. R. Singh, "First Principles Calculations of Bonding and Charges at the Al2O3 Interface in a c-Si/SiO2/am-Al2O3 Structure Applicable for the Surface Passivation of Silicon-Based Solar Cells", IEEE TRANSACTIONS ON ELECTRON DEVICES, USA, Vol. 63, pp. 544-550, (2016).

  2. D. Saha, A. Sengupta, S. BHATTACHARYA and S. Mahapatra, "Impact of Stone-Wales and lattice vacancy defects on the electro-thermal transport of the free standing structure of metallic ZGNR", Journal of Computational Electronics (Springer), Vol. 13. pp. 862-871, (2014).

  3. S. BHATTACHARYA, D. Saha, A. Bid and S. Mahapatra, "A continuous electrical conductivity model for monolayer graphene from near intrinsic to far extrinsic region", IEEE TRANSACTIONS ON ELECTRON DEVICES, USA, Vol. 61, pp. 3646-3653, (2014).

  4. R. VERMA, S. BHATTACHARYA and S. Mahapatra, "Solution of Time Dependent Joule Heat Equation for a Graphene Sheet under Thomson Effect", IEEE TRANSACTIONS ON ELECTRON DEVICES, USA, Vol. 60, pp. 3548-3554, (2013).

  5. R. VERMA, S. BHATTACHARYA and S. Mahapatra, "Modeling of Temperature and Field Dependent Electron Mobility in a Single Layer Graphene Sheet", IEEE TRANSACTIONS ON ELECTRON DEVICES, USA, Vol.60, pp. 2695 - 2698, (2013).

  6. R. VERMA, S. BHATTACHARYA and S. Mahapatra, "Thermoelectric Performance of a Single Layer Graphene Sheet for Energy Harvesting", IEEE TRANSACTIONS ON ELECTRON DEVICES, USA, Vol. 60, pp. 2064-2070, (2013).

  7. R. VERMA, S. BHATTACHARYA and S. Mahapatra, "Physics-based solution of electrical resistance of graphene under self-heating effect", IEEE TRANSACTIONS ON ELECTRON DEVICES, USA, VOL. 60, pp. 502-505, (2013).

  8. R. VERMA, S. BHATTACHARYA and S. Mahapatra, "A physics based flexural phonon dependent thermal conductivity model for single layer graphene", JOURNAL OF SEMICONDUCTOR SCIENCE AND TECHNOLOGY, IOP, VOL. 28, pp. 015009 (1)-(6), UK. (2013).

  9. R. K. Ghosh, S. BHATTACHARYA and S. Mahapatra, "k.p based closed form energy band gap and transport electron effective mass model for [100] and [110] relaxed and strained Silicon nanowire", JOURNAL OF SOLID STATE ELECTRONICS, Elsevier, GERMANY, VOL. 80, pp. 124-134, (2013).

  10. S. BHATTACHARYA and K. P. Ghatak, "Fowler-Nordheim field emission from carbon nanotubes under intense electric field", JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE, USA, VOL. 10, pp. 664-668, USA, (2013).

  11. R. VERMA, S. BHATTACHARYA and S. Mahapatra, "Theoretical Estimation of Electro-migration in Metallic Carbon Nanotubes", IEEE TRANSACTIONS ON ELECTRON DEVICES, VOL. 59, pp. 2476-2482, USA, (2012).

  12. R. K. Ghosh, S. BHATTACHARYA and S. Mahapatra, "Physics based band gap model for relaxed and strained [100] silicon nanowires", IEEE TRANSACTIONS ON ELECTRON DEVICES, USA, VOL. 59, pp. 1765-1772, (2012).

  13. S. BHATTACHARYA and R. C. Mallik, "Electrical Resistance and Seebeck Coefficient in PbTe Nanowires", JOURNAL OF ELECTRONIC MATERIALS, SPRINGER, GERMANY, VOL. 41, pp. 1421-1428, (2012).

  14. S. BHATTACHARYA , D. De, S. M, Adhilari and K. P. Ghatak, "On the two dimensional effective electron mass in Quantum wells, inversion layers and nipi superlattices of Kane type semiconductors in the presence of strong light waves: simplified theory and relative comparison", JOURNAL OF SUPERLATTICES AND MICROSTRUCTURES, Elsevier, Germany, VOL. 51, pp. 203-222, (2012).

  15. S. BHATTACHARYA, S. Mahapatra, "Quantum Capacitance in Bilayer Graphene Nanoribbon", PHYSICA E, Elsevier, Germany, VOL. 44, pp. 1127-1131, (2012).

  16. R. VERMA, S. BHATTACHARYA and S. Mahapatra, "Analytical Solution of Joule Heating Equation for Metallic Single Walled Carbon Nanotube Interconnects", IEEE TRANSACTIONS ON ELECTRON DEVICES, VOL. 58, pp. 3991-3996, (2011).

  17. S. BHATTACHARYA, A. Rex and S. Mahapatra, "Physics Based Thermal Conductivity Model for Metallic Single Walled Carbon Nanotube Interconnects", IEEE ELECTRON DEVICE LETTERS, VOL. 32, pp. 203-205, (2011).

  18. S. BHATTACHARYA, D. De, S. M. Adhikari and K. P. Ghatak, "Simple Theoretical analysis of the Fowler-Nordheim field emission from microstructures and quantum wires of optoelectronic materials", JOURNAL OF SUPERLATTICES AND MICROSTRUCTURES, Elsevier, Germany, VOL. 50, pp. 609-627, (2011).

  19. S. BHATTACHARYA and R. C. Mallik, "Seebeck Coefficient in Non-parabolic Bulk Materials", JOURNAL OF ELECTRONIC MATERIALS, SPRINGER, GERMANY, VOL. 40, pp. 1221-1232, (2011).

  20. S. BHATTACHARYA and R. C. Mallik, "Diffusive thermoelectric power in highly asymmetric bilayer graphene nanoribbons", JOURNAL OF ELECTRONIC MATERIALS, SPRINGER, GERMANY, VOL. 40, pp. 1181-1189, (2011).

  21. S. BHATTACHARYA and R. C. Mallik,"Seebeck Coefficient in Bulk and Quantum Wells of Non-Parabolic Kane-Type Materials", JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE, USA, Vol. 8, pp. 746-756, (2011).

  22. S. BHATTACHARYA and S. Mahapatra, "Negative differential conductance and effective electron mass in highly asymmetric ballistic bilayer graphene nanoribbon", PHYSICS LETTERS A, VOL. 374, pp. 2850-2855, (2010).

  23. S. BHATTACHARYA and S. Mahapatra, "Analytical Study of Low Field Diffusive Transport in Highly Asymmetric Bilayer Graphene Nanoribbon", IEEE TRANSACTIONS ON NANOTECHNOLOGY, VOL. 10, pp. 409-416, (2010)

  24. S. BHATTACHARYA and S. Mahapatra, "Simplified Theory of Carrier Back-Scattering in Semiconducting Carbon Nanotubes: a Kane's Model Approach", JOURNAL OF APPLIED PHYSICS, USA, VOl. 107, pp. 094314-074312, (2010), also selected for publication in Virtual Journal of Nanoscale Science & Technology, VOL. 21, Issue 10, (2010).

  25. D. De, A. Kumar, S.M. Adhikari, S. Pahari, N. Islam, P. Banerjee, S.K. Biswas, S. BHATTACHARYA and K. P. Ghatak, "Influence of quantum confinement on the photoemission from superlattices of optoelectronic materials", JOURNAL OF SUPERLATTICES AND MICROSTRUCTURES, ELSEVIER, THE NETHERLANDS, VOL. 47, pp. 377-410, (2010)

  26. S. BHATTACHARYA, S. Choudhury and K. P. Ghatak, "On the two Dimensional thermoelectric power in quantum wells of non-linear optical, optoelectronic and related materials under magnetic quantization", JOURNAL OF SUPPERLATTICES AND MICROSTRUCTURES, ELSEVIER, THE NETHERLANDS, pp. 257-275, (2010).

  27. A. Saha, A. Kumar, S. Chowdhury, S. BHATTACHARYA and K. P. Ghatak, "Thermoelectric power in ultrathin films, quantum wires and carbon nanotubes under classically large magnetic field: simplified theory and relative comparison", PHYSICA B, ELSEVIER, THE NETHERLANDS, VOL. 405, pp. 472-498, (2009)

  28. K. P. Ghatak, S. BHATTACHARYA, S. Pahari, D. De, and R Benedictus, "Einstein relation in n-i-p-i and microstructures of nonlinear optical, optoelectronic and related materials: simplified theory, relative comparison and suggestion for an experimental determination", JOURNAL OF SUPERLATTICES AND MICROSTRUCTURES, ELSEVIER, THE NETHERLANDS, VOL. 46, pp. 347-414, (2009).

  29. S. BHATTACHARYA and S. Mahapatra, "Influence of band non-parabolicity on few ballistic properties of III-V Quantum Wire Field Effect Transistors under strong inversion", JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE, USA, VOL. 6, pp. 1605-1616 (2009).

  30. S. Pahari, S. BHATTACHARYA and K.P. Ghatak, "Simple theoretical analysis of the Einstein's photoemission from quantum confined superlattices", JOURNAL OF SUPERLATTICES AND MICROSTRUCTURES, ELSEVIER, THE NETHERLANDS, VOL. 46, pp. 760-796, (2009).

  31. K.P. Ghatak, S. BHATTACHARYA, S. Pahari, S. N. Mitra, P.K. Bose and D. De, "The carrier contribution to the elastic constants in III-V, ternary and quaternary materials in the presence of light waves: simplified theory, relative comparison and a suggestion for experimental determination", JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, ELSEVIER, THE NETHERLANDS, VOl. 70, pp. 122-133, (2009).

  32. S. BHATTACHARYA, S. S. Dan and S. Mahapatra, "Influence of band nonparabolicity on the quantized gate capacitance in d-doped MODFED of III-V and related materials", JOURNAL OF APPLIED PHYSICS, USA, VOl. 104, pp. 074304-074312, (2008).

  33. K. P. Ghatak, S. BHATTACHARYA, S. Bhowmik, R. Benedictus and S. Choudhury, "Thermoelectric power in carbon nanotubes and quantum wires of nonlinear optical, optoelectronic, and related materials under strong magnetic field: Simplified theory and relative comparison", JOURNAL OF APPLIED PHYSICS, USA, VOl. 103, pp. 034303-034024, (2008).

  34. K. P. Ghatak, S. BHATTACHARYA, S. Pahari, D. De, S. Ghosh, and M. Mitra, "Influence of light waves on the thermoelectric power under large magnetic field in III-V, ternary and quaternary materials", ANNALEN DER PHYSIK (LEIPZIG), VOL. 17, pp. 195-220, (2008).

  35. K.P. Ghatak, S. BHATTACHARYA, S. Bhowmik, R. Benedictus, S.N. Mitra and S. Pahari, "The Einstein relation in quantum wires of III-V, ternary and quaternary materials in the presence of light waves: simplified theory, relative comparison and suggestion for experimental determination", JOURNAL OF APPLIED PHYSICS, USA, VOL. 103, pp. 094314-094335, (2008).

  36. S. BHATTACHARYA, S. Pahari, R. Sarkar, S. Ghosh and K. P. Ghatak, "The diffusivity-mobility-ratio in heavily doped nonlinear optical, optoelectronic and related materials", PHYSICA B, ELSEVIER, THE NETHERLANDS, VOL 403, pp. 3635-3652, (2008).

  37. S. BHATTACHARYA, N.C. Paul, D. De and K.P. Ghatak, "Influence of light on the Debye screening length in ultrathin films of optoelectronic materials", PHYSICA B, ELSEVIER, THE NETHERLANDS, VOl. 403, pp.4139-4150, (2008).

  38. K. P. Ghatak, S. BHATTACHARYA, S. K. Biswas,, A. De and A. K. Dasgupta, "A Simple Theoretical Analysis of the Effective Electron Mass in III-V, Ternary and Quaternary Materials in the Presence of Light Waves", PHYSICA SCRIPTA, SWEDEN, VOL. 75, pp-820-836, (2007).

  39. K.P. Ghatak and S. BHATTACHARYA, "Influence of light on the Debye screening length in III-V, ternary and quaternary materials", JOURNAL OF APPLIED PHYSICS, U.S.A. VOL. 102, pp-073704-073721, (2007).

  40. P.K. Chakraborty, S. BHATTACHARYA and K.P. Ghatak, "Simple theory of the interband optical absorption in an external electric field for optoelectronic materials", JOURNAL OF APPLIED PHYSICS, USA, VOL. 98, pp. 053517-1-053517-10, (2005).

Selected Conferences:

  1. Dipankar Saha, SITANGSHU BHATTACHARYA and Santanu Mahapatra, “Modeling of Sheet Concentration and Temperature Dependent Resistivity of a Suspended Monolayer Graphene.” IEEE 2nd International Conference on Emerging Electronics (ICEE), December 3-6, Bangalore-India, 2014, pages: 1-4, DOI: 10.1109/ICEmElec.2014.7151193 .

  2. S. BHATTACHARYA, Ch. Raju and R. C. Mallik, "Electron Mean Free Path in PbTe Quantum Wires", AIP CONFERENCE PROCEEDING, VOL.1349, pp. 949-950, July 15, (2011), SOLID STATE PHYSICS, PROCEEDINGS OF THE 55TH DAE SOLID STATE PHYSICS SYMPOSIUM (2010); doi:10.1063/1.3606172.

  3. S. BHATTACHARYA, D. De and K.P. Ghatak, "Einstein relation in carbon nanotubes and quantum wires of nonlinear optical, optoelectronic and related materials: simplified theory, relative comparison and suggestion for an experimental determination", International Workshop on Physics of Semiconductor Devices (IWPSD), pp. 901-904, held at IIT Bombay (2007).

  4. S. BHATTACHARYA, D. De and K.P. Ghatak, "Simple theoretical analysis of the photoemission from quantum confined non-linear optical, optoelectronic and related materials" International Workshop on Physics of Semiconductor Devices (IWPSD), pp. 897 - 900, held at IIT Bombay (2007).

NET LAB NEWS:

1st June, 2016: Miss Himani Mishra Joined our Lab as a Int. PhD student. Details ...

3rd May, 2016: Dr. Rekha Verma was elected as Vice-Chair of IEEE-EDS Uttar Pradesh Section. Details ...

14th January 2016: JRF Opening: There is an opening of a JRF position in NET LAB for the project related to graphene transistors. Details ...
NET LAB

Faculties involved

Sitangshu Bhattacharya
Assistant Professor, Ph.D: Jadavpur University, 2009, India.

Rekha Verma
Assistant Professor, Ph.D: IISc Bangalore, 2013, India.


Research interests:
Computational Nanoelectronics:
Many-Body Perturbation Formulations of Electrical & Phonon Transport in 2D materials, Physics of Excitons and Surface Passivations, Thermoelectricity, Self-Heating in Interconnects
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