Current Research Interests
- Thermoelectric properties of silicon nanostructures
- Phonon transport in 2D materials
Publications
Book Chapters
Sanjiv Sinha, Krishna Valavala and Jun Ma, CRC Handbook of Thermal Engineering 2nd edition, Chapter 4.21 Thermal Conduction in Electronic Microstructures & Nanostructures, Taylor & Francis Group (to be printed)
Peer-reviewed Journal Publication
1. D. Ganta, C. Marry, J. Ma, S. Sinha, Hydrophobic Recovery in Ultrathin PDMS-coated Long and Short Silicon Nanowires, Chemical Physics Letters, 2016 (In press)
2. Jyothi Sadhu, Hongxiang Tian, J. Ma, Bruno Azeredo, Junhwan Kim, Karthik Balasundaram, Chen Zhang, Xiuling Li, P. M. Ferreira, and S. Sinha, Quenched Phonon Drag in Silicon Nanowires Reveals Significant Effect in the Bulk at Room Temperature, Nano Letters 2015 15 (5), 3159-3165
3. J. Ma, J.S. Sadhu, D. Ganta, H. Tian, S. Sinha, Thermal transport in 2- and 3-dimensional periodic “holey” nanostructures, AIP Advances 4, 124502 (2014)
4. B. Azeredo, J. Sadhu, J. Ma, K. Jacobs, J. Kim, K. Lee, J. Eraker, X. Li, S. Sinha, N. Fang, P. Ferreira and K. Hsu,Silicon Nanowires With Controlled Sidewall Profile And Roughness Fabricated By Thin-Film Dewetting And Metal-Assisted Chemical Etching, Nanotechnology, vol. 24, 225305 (2013)
5. J. Ma, B.R. Parajuli, M.G. Ghossoub, A. Mihi, J. Sadhu, P.V. Braun, and S. Sinha, Coherent Phonon-Grain Boundary Scattering In Silicon Inverse Opals, Nano Letters, vol. 13 (2), pp 618-624 (2013),
6. J.P. Feser, J.S. Sadhu, B.P. Azeredo, K.H. Hsu, J. Ma, J. Kim, M. Seong, N.X. Fang, X. Li, P.M. Ferreira, S. Sinha and D.G. Cahill, Thermal Conductivity Of Silicon Nanowire Arrays With Controlled Roughness, J. Applied Physics, vol. 112, 114306 (2012).
7. J. Ma and S. Sinha, Thermoelectric Properties Of Highly Doped N-Type Polysilicon Inverse Opals, J. Applied Physics, vol. 112, 073719 (2012).
8. M. Seong, J. S. Sadhu, J. Ma, M.G. Ghossoub and S. Sinha, Modeling And Theoretical Efficiency Of A Silicon Nanowire Based Thermoelectric Junction With Area Enhancement, J. Applied Physics, vol. 111, 124319 (2012).
9. H. Tian, M.G. Ghossoub, O.T. Baris, J. Ma, M. Tirumala and S. Sinha, Volumetric Heat Capacity Enhancement In Thin Films Of Amorphous Fluorocarbon Polymers, ASME J. Heat Transfer, vol. 134, 081601 (2012).
2. Jyothi Sadhu, Hongxiang Tian, J. Ma, Bruno Azeredo, Junhwan Kim, Karthik Balasundaram, Chen Zhang, Xiuling Li, P. M. Ferreira, and S. Sinha, Quenched Phonon Drag in Silicon Nanowires Reveals Significant Effect in the Bulk at Room Temperature, Nano Letters 2015 15 (5), 3159-3165
3. J. Ma, J.S. Sadhu, D. Ganta, H. Tian, S. Sinha, Thermal transport in 2- and 3-dimensional periodic “holey” nanostructures, AIP Advances 4, 124502 (2014)
4. B. Azeredo, J. Sadhu, J. Ma, K. Jacobs, J. Kim, K. Lee, J. Eraker, X. Li, S. Sinha, N. Fang, P. Ferreira and K. Hsu,Silicon Nanowires With Controlled Sidewall Profile And Roughness Fabricated By Thin-Film Dewetting And Metal-Assisted Chemical Etching, Nanotechnology, vol. 24, 225305 (2013)
5. J. Ma, B.R. Parajuli, M.G. Ghossoub, A. Mihi, J. Sadhu, P.V. Braun, and S. Sinha, Coherent Phonon-Grain Boundary Scattering In Silicon Inverse Opals, Nano Letters, vol. 13 (2), pp 618-624 (2013),
6. J.P. Feser, J.S. Sadhu, B.P. Azeredo, K.H. Hsu, J. Ma, J. Kim, M. Seong, N.X. Fang, X. Li, P.M. Ferreira, S. Sinha and D.G. Cahill, Thermal Conductivity Of Silicon Nanowire Arrays With Controlled Roughness, J. Applied Physics, vol. 112, 114306 (2012).
7. J. Ma and S. Sinha, Thermoelectric Properties Of Highly Doped N-Type Polysilicon Inverse Opals, J. Applied Physics, vol. 112, 073719 (2012).
8. M. Seong, J. S. Sadhu, J. Ma, M.G. Ghossoub and S. Sinha, Modeling And Theoretical Efficiency Of A Silicon Nanowire Based Thermoelectric Junction With Area Enhancement, J. Applied Physics, vol. 111, 124319 (2012).
9. H. Tian, M.G. Ghossoub, O.T. Baris, J. Ma, M. Tirumala and S. Sinha, Volumetric Heat Capacity Enhancement In Thin Films Of Amorphous Fluorocarbon Polymers, ASME J. Heat Transfer, vol. 134, 081601 (2012).
Research Projects
- Phonon transport in Suspended Graphene
• Perform thermal measurement on graphene with various dimensions
- Thermal Conductivity Measurement on Silicon Inverse Opals
• Develop a novel model of thermal transport in 3D periodic dielectric materials
• Featured on MechSE homepage on Feb. 18, 2013
- Silicon Nanowire as Effective Thermoelectric Material
• Conduct thermal conductivity and Seebeck coefficient measurement
• Perform energy and charge transport analysis of Si nanowire over a wide range of temperature