Nitya Nand Gosvami

 

Education:

Phone Number: 215-898-4591 | Email: ngosvami@seas.upenn.edu | Office: 112 Towne

Ph.D.Mechanical Engineering (2008),
National University of Singapore (NUS), Singapore.

B.Tech. (Hons.), Metallurgical Engineering (2003).
Indian Institute of Technology, Banaras Hindu University (IIT-BHU),
Varanasi, India.

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Professional Experience:

  • (October’10-August’12) Research Associate, Department of Chemistry, University College London & London Center for Nanotechnology (London, UK).
  • Feb’09-September’10) Alexander von Humboldt Fellow at INM-Leibniz Institute for New Materials, Saarbruecken, Germany.
  • (June’08-Jan’08) Postdoctoral Fellow, INM-Leibniz Institute for New Materials, Saarbruecken, Germany.
  • (March’08-May’08) Visiting Scientist, Department of Physics, McGill University, Montreal, Canada.
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Awards:

  • Alexander von Humboldt Fellowship (2009).
  • Visiting scientist position at Physics Department of McGill University, Montreal, Canada (2008).
  • Best poster award, MRS-S, Conference on Advanced Materials, Singapore, 2008.
  • Best poster award, Nonosikkim-III, Mechanics and Friction at the nanoscale, 2008.
  • PhD research scholarship from National University of Singapore (NUS).
  • Ranked among top hundred students in India in Graduate Aptitude Test in Engineering (GATE- 2003) in metallurgical engineering.
  • Department rank holder (Overall 2nd) in B.Tech.
  • Ranked among top 2% of Indian Institute of Technology – Joint Entrance Examination (IIT-JEE, 1999).

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Research Interests:

  • Understanding fundamental forces between surfaces at the nanometer and atomic/molecular length-scales.
  • Microscopic mechanisms of friction, wear  and deformation of materials.
  • Charge transport at the nanometer length-scales.
  • Molecular self-assembly processes in vacuum, solution and Langmuir-Blodgett films.
  • Atomic force microscopy techniques (vacuum, liquid and electrochemical), scanning tunneling microscopy.
  • Surface force apparatus.

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Publications:

  • M. Lessel, P. Loskill, F. Hausen, N. N. Gosvami, R. Bennewitz, K Jacobs, “Impact of van der Waals Interactions on Single Asperity Friction”. Physical Review Letters 111, 035502 (2013).
  • A. M. Smith, K. R. J. Lovelock, N. N. Gosvami, T. Welton, S. Perkin,”Quantized Friction across Ionic Liquid Thin Films”. Physical Chemistry Chemical Physics 15, 15317-15320 (2013).
  • R. Bennewitz, F. Hausen, N. N. Gosvami, “Nanotribology of Clean and Modified Gold Surfaces”. Journal of Materials Research, 28, 10, 1279-1288 (2013) (Invited Feature Paper)
  • A. M. Smith, K. R. J. Lovelock, N. N. Gosvami, P. Licence, A. Dolan, T. Welton, S. Perkin, “Monolayer to Bilayer Structural Transitions in Confined Pyrrolidinium-Based Ionic Liquids”, The Journal of Physical Chemistry Letters, 4, 3, 378-382 (2013).
  • S. Hoof, N. N. Gosvami, B. W. Hoogenboom, ”Enhanced Quality Factor and Force Sensitivity by Attaching Magnetic Beads to Cantilevers for Atomic Force Microscopy in Liquids”. Journal of Applied Physics, 112, 114324 (2012).
  • N. N. Gosvami, E. D. Parsons, C. Marcovich, M. Berkowitz, B. W. Hoogenboom, S. Perkin “Resolving the structure of a model hydrophobic surface: DODAB monolayers on mica”. RSC Advances, 2, 4181 (2012).
  • S. Perkin, L. Crowhurst, H. Neidermeyer, T. Welton, A. M. Smith, N. N. Gosvami, “Self-assembly in the electrical double layer of ionic liquid”. Chemical Communications, 47, 6572-6574, (2011). (Selected for publication in Virtual Journal of Nanoscale Science and Technology).
  • N. N. Gosvami, M. Feldmann, J. Peguiron, M. Moseler, A. Schirmeisen, R. Bennewitz, “Ageing of a Microscopic Sliding Gold Contact at Low Temperatures. Physical Review Letters, 107, 144303 (2011). (Selected for publication in Virtual Journal of Nanoscale Science and Technology).
  • A. Labuda, F. Hausen, N. N. Gosvami, P. H. Grutter, R. B. Lennox, R. Bennewitz, “Switching Atomic Friction by Electrochemical Oxidation.” Langmuir 27, 2561–2566 (2011).
  • N. N. Gosvami, P. Egberts, R. Bennewitz, “Molecular order and disorder in the frictional response of alkanethiol self-assembled monolayers”. Journal of Physical Chemistry A, 115, 6942–6947 (2011).
  • F. Hausen, N. N. Gosvami, R. Bennewitz, “Anion adsorption and atomic friction on Au(111)”, Electrochimica Acta, 56,10694–10700 (2011).
  • P. Steiner, E. Gnecco, T. Filleter, N. N. Gosvami, S. Maier, E. Maier, R. Bennewitz, “Atomic Friction Investigations on Ordered Superstructures“. Tribology Letters, 39, 3, 321-327 (2010).
  • S. J. O’Shea, N. N. Gosvami, L. T. W. Lim, W. Hofbauer, “Liquid Atomic Force Microscopy: Solvation Forces, Molecular Order and Squeeze-out”. Japanese Journal of Applied Physics, 49, 08LA01 (2010).(Selected for publication in Virtual Journal of Nanoscale Science and Technology).
  • R. Bennewitz, K. Brörmann, P. Egberts, N. N. Gosvami, F. Hausen and C. Held, “Nanotribology- Fundamental Studies of Friction and Plasticity”. Advanced Engineering Materials, 12, B133 (2010).
  • W. Hofbauer, R. J. Ho, Hairulnizam R., N. N. Gosvami, S. J. O’Shea, “Crystalline structure and squeeze-out dissipation of liquid solvation layers observed by small-amplitude dynamic AFM”, Physical Review  B, 80, 134104 (2009).
  • N. N. Gosvami, T. Filleter, P. Egberts and R. Bennewitz, “Microscopic Friction Studies on Metal Surfaces”, Tribology Letters, 39, 19-24 (2009).
  • M. K. Kumar, L. K. Tan, N. N. Gosvami, H. Gao, “Conduction-atomic force microscopy study of H2 sensing mechanism in Pd nanoparticles decorated TiO2 nanofilm”, Journal of Applied Physics 106, 044308 (2009). (Selected for publication in Virtual Journal of Nanoscale Science and Technology).
  • M. K. Kumar, L. K. Tan, N. N. Gosvami, H. Gao, “Titania Nanofilm with Electrical Switching Effects upon Hydrogen/Air Exposure at Room Temperature” J. Phys. Chem. C, 113, 6381–6389 (2009).
  • N. N. Gosvami, S.K. Sinha and S. J. O’Shea, “Squeeze out of Branched Alkanes on Graphite”, Physical Review Letters 100, 076101 (2008).
  • N. N. Gosvami, S. K. Sinha, M. P. Srinivasan, S. J. O’Shea, “Effect of Surrounding Medium on Resistance of a Molecular Monolayer Junction”, Journal of Physical Chemistry C, 112, 297-302 (2008).
  • N. N. Gosvami, W. Hofbauer, S. J. O’Shea, S. K. Sinha, “Solvation and Squeeze out of Hexadecane on Graphite”, Journal of Chemical Physics 126, 214708 (2007).
  • N. Satyanarayana, N. N. Gosvami, S. K. Sinha, M. P. Srinivasan, “Friction, adhesion and wear life studies of ultra-thin (<10nm) PFPE overcoated 3-Glycidoxypropyltrimethoxy silane SAM on Si surface”, Philosophical Magazine, 87, 3209-3227 (2007).
  • S. K. Mohanta, R. K. Soni, N. N. Gosvami, S. Tripathy, “Morphological and micro-Raman investigations on Ar+-ion irradiated nanostructured GaAs surface”, Applied Surface Science, 253 4531-4536 (2007) .
  • S. K. Mohanta, R. K. Soni, N. N. Gosvami, A. P. Vajpeyi, S. Tripathy, “Structural modifications in InP nanostructures prepared by Ar+-ion irradiation”, Journal of Applied Physics, 102, 074313 (2007) .
  • N. N. Gosvami, K. H. A. Lau S. K. Sinha, S. J. O’Shea, “Effect of End Groups on Contact Resistance of Alkanethiol Based Metal-Molecule-Metal Junctions using Current Sensing AFM”, Applied Surface Science, 252, 3956-3950 (2006).
  • H. Gao, N. N. Gosvami, J. Deng, L.S. Tan, M. S. Sander, “A General and Simple Approach to Generate Dense, Uniform, Sub-100 nm Self-Assembled Monolayer Features on Surfaces Using Porous Anodic Alumina Templates”, Langmuir, 22, 8078 – 8082 (2006).
  • K. Bhupendra, H. Gong, N. N. Gosvami, R. Akkipeddi, “Nano-scaled Electrical Homogeneity of Indium Zinc Oxide Films”, Applied Physics Letters, 88, 093111 (2006)