Dr. Viswanath Balakrishnan

pic here
Phone: +91 1905-237929
EMail: viswa[at]iitmandi[dot]ac[dot]in
Address: School
IIT Mandi, PWD Rest House 2nd floor,
Near Bus Stand, Mandi - 175001
India

Research interests

  • Nucleation to Nanomanufacturing of Functional Materials
  • Growth, Microstructure Evolution of Nanostructures and Thin Films
  • Strain Engineering in Functional Materials and Thin Films
  • In situ Exploration of Structure-Property Correlations
  • Electron Microscopy

Education

  • Ph.D in Materials Science (IISc, Bangalore,2008)
  • M.Sc in Materials Science
  • B.Sc in Physics

Work Experience

Academic Research Experience
  • Massachusetts Institute of Technology (MIT), Mechanical Engineering, Post Doctoral Associate (2013-2014)
  • Harvard University, School of Engineering and Applied Sciences, Post Doctoral Fellow ( 2009 - 2013)
  • Indian Institute of Science (IISc), Research Associate(2008 - 2009)

Publications

Journal Publications (published)
  • 36. Daniel Mcnerny, B.Viswanath, Davor Copic, Fabrice R. Laye, Christophor Prohoda, Anna C.Brieland-Shoultz, Erik S.Polsen, Vijayen S.Veerasamy, A.John Hart, Direct fabrication of graphene on SiO2 enabled by thin film stress engineering, Scientific Reports, 4, 5049 (2014)
  • 35. B.Viswanath and S.Ramanathan, Direct in-situ observation of structural transition driven actuation in VO2 utilizing electron transparent cantilevers, Nanoscale, 5, 7484(2013), selected as Hot Article
  • 34. A. Podpirka, B.Viswanath and S. Ramanathan, Heteroepitaxy and crystallographic orientation transition in La1.875Sr0.125NiO4 thin films on single crystal SrTiO3, Journal of Materials Research, 28, 1420 (2013)
  • 33. Sieu H.Da, B.Viswanath, and S.Ramanathan, Electrothermal actuation of metal insulator transition in SmNiO3 thin film devices at room temperature, Journal of Applied Physics,111, 124501 (2012)
  • 32. B.Viswanath, C.Ko and S.Ramanathan, In situ studies on twinning and cracking proximal to insulator-metal transition in self supported VO2/Si3N4 membranes, Journal of Materials Research, 27, 1476 (2012)
  • 31. B.Viswanath, G.Aydogdu, S.Ha and S.Ramanathan, In situ stress relaxation and diffraction studies across the metal insulator transition in epitaxial and polycrystalline SmNiO3 thin films, Scripta Materialia, 66(7),463-466 (2012)
  • 30. B.Viswanath, C.Ko and S.Ramanathan, Thickness dependent orientation evolution in Ni films grown on YSZ (100) single crystals, Philosophical Magazine, 91, 4311 (2011)
  • 29. B.Viswanath, C.Ko, Z.Yang and S.Ramanathan, Geometric confinement effects on the metal-insulator transition temperature and stress relaxation in VO2 thin films grown on Si, Journal of Applied Physics, 109, 063512 (2011)
  • 28. B.Viswanath, C.Ko, S.Ramanathan; Thermoelastic Switching with controlled actuation in VO2 thin films, Scripta Materialia, 64(6), 490-493 (2011)
  • 27. B.Viswanath, C.Ko, S.Ramanathan; Size effects on stress relaxation across the metal insulator transition in VO2 thin films, Journal of Materials Research, 26, 1384 ( 2011)
  • 26. M.Abazari, Jai S. Sim, B.Viswanath and S.Ramanathan, Fabrication and physical properties of TiXOY membranes from single crystal TiO2, Journal of Vacuum Science and Technology A, 30, 021601,(2012)
  • 25. G.Aydogdu, S.Ha, B.Viswanath and S.Ramanathan; Epitaxy, strain and compositional effects on metal-insulator transition characteristics of SmNiO3 thin films, Journal of Applied Physics, 109, 124110 (2011)
  • 24. S.Ha, G.Aydogdu, B.Viswanath and S.Ramanathan; Electrically driven metal insulator transition with tunable threshold voltage in VO2-SmNiO3 heterostructure on silicon, Journal of Applied Physics, 110, 026110 (2011)
  • 23. Z.Yang, C.Ko, B.Viswanath and S.Ramanathan, Dielectric and carrier transport properties of vanadium oxide thin films across the phase transition utilizing gated capacitor devices, Physical Review B, 82,205101 (2010)
  • 22. A.Podpirka, B.Viswanath and Shriram Ramanathan, Active low temperature oxidation as a Route to minimize electrode-oxide interface reactions in nanoscale capacitors, Journal of Applied Physics, 108, 024106 (2010)
  • 21. C.Nethravathi, B.Viswanath, M.Rajamathi: Hydrothermal synthesis of monoclinic VO2 nanotube-graphene hybrid for use as cathode material for lithium ion batteries, Carbon, 50(13),4839 (2012)
  • 20. E.A. Anumol, Aditi Halder, C.Nethravathi, B.Viswanath and N.Ravishankar, Nanoporous Alloy Aggregates; Synthesis and Electrocatalytic Activity, Journal of Materials Chemistry, 21, 8721-8726 (2011)
  • 19. Aditi Halder, S.Patra, B. Viswanath, N.Munichandraiah and N Ravishankar: Porous catalytically active palladium nanostructures by tuning nanoparticle interactions in an organic medium, Nanoscale, 3, 725-730 (2011) (Cited : 12)
  • 18. B.Viswanath, V.Shastry, U.Ramamurty, N Ravishankar, Effect of Calcium Deficiency on the Mechanical Properties of Calcium Deficient Hydroxyapatite Crystals , Acta Materialia, 58 (14), 4841-4848 (2010)
  • 17. S.Patra, B.Viswanath, K. Barai, N. Ravishankar, N. Munichandraiah; High surface step density on dendritic Pd leads to exceptional catalytic activity for formic acid oxidation, ACS Applied Materials and Interfaces, 2(11), 2965-2969 (2010)
  • 16. B.Mukherjee, B.Viswanath and N Ravishankar : A General Strategy for Functional Nanoporous Structures by Partial Sintering of Nanorod Assemblies, Journal of Physics D: Applied Physics, 43,455301 (2010)
  • 15. E.A.Anumol, B.Viswanath, Yunfeng Shi, Ganpathi Ramanath, N Ravishankar, Surface Diffusion Driven Nanoshell Formation by Controlled Sintering of Mesoporous Nanoparticle Aggregates, Nanoscale, 2,1423-1425 (2010)
  • 14. C.Nethravathi, B.Viswanath,C.Shivakumara, Mency Sebastian, M.Rajamathi, Exfoliation of α-Hydroxides of Nickel and Cobalt in Water, Journal of Colloid and Interface Science, 345(1),109-115 (2010)
  • 13. Aditi Halder, Paromita Kundu, B.Viswanath, N.Ravishankar, Symmetry and Shape Issues in Nanostructure Growth, Journal of Materials Chemistry, Feature Article, 20, 4763-4772 (2010)
  • 12. Paromita Kundu, Aditi Halder, B.Viswanath, N Ravishankar : Nanoscale Hetrostructures with Molecular Scale Single Crystal Wires, Journal of the American Chemical Society,132(1),20-21(2010)
  • 11. B.Viswanath, Paromita Kundu, Aditi Halder, N.Ravishankar: Mechanistic Aspects of Shape Selection during Nanostructure Growth by Wet-Chemical Methods, Journal of Physical Chemistry C, Cover page Feature Article, 113(39), 16866-16883 (2009)
  • 10. B.Viswanath, S.Patra, N.Munichandraiah, N Ravishankar: Nanoporous Pt with High Surface Area by Reaction Limited Aggregation of Nanoparticles, Langmuir, 25(5), 3115-3121 (2009)
  • 9. B.Viswanath, Paromita Kundu, N Ravishankar : Formation of Two-Dimensional Structures by Tuning the Driving Force of Reactions: An Interpretation of Kinetic Control, Journal of Colloid and Interface Science, 330(1),211-219 (2009)
  • 8. B.Viswanath, N.Ravishankar: Controlled Synthesis of Plate Shaped Hydroxyapatite and Implication for the Morphology of Apatite Phase in Bone, Biomaterials, 29, 4855-4863 (2008)
  • 7. C.Nethravathi, B.Viswanath, C.Shivakumara, N.Mahadevaiah, M.Rajamathi: The Production of Smectite Clay/Graphene Composites Through Delamination and Co-Stacking, Carbon, 46(13), 1773-1781 (2008)
  • 6. B.Viswanath, Paromita Kundu, B.Mukherjee, N.Ravishankar: Predicting the Growth of Two-Dimensional Nanostructures , Nanotechnology, 19, 195603 (2008)
  • 5. B.Viswanath, R.Raghavan, N.P.Gurao, U.Ramamurty, N.Ravishankar: Mechanical Properties of Tricalcium Phosphate Single Crystals Grown by Molten Salt Synthesis, Acta Biomaterialia, 4, 1448-1454 (2008)
  • 4. Sounak Roy, B.Viswanath, M.S.Hegde, Giridhar Madras: Low Temperature Selective Reduction of NO with NH3 Over Ti0.9M0.1O2-δ(M: Cr, Mn, Fe, Co, Cu), J.Phy.Chem C, 112, 6002-6012 (2008)
  • 3. B.Viswanath, N.Ravishankar: Porous Biphasic Scaffolds and Coatings for Biomedical Applications via Morphology Transition of Nanorods, Nanotechnology, 18, 47, 475604 (2007)
  • 2. B.Viswanath, R.Raghavan, U.Ramamurty, N.Ravishankar: Mechanical Properties and Anisotropy in Hydroxyapatite Single Crystals, Scripta Materialia, 57, 361-364 (2007)
  • 1. B.Viswanath, N.Ravishankar: Interfacial Reactions in Hydroxyapatite/Alumina Nanocomposites, Scripta Materialia, 55, 863-866 (2006)

Conferences and Symposia

  • 10.Z. Yang, C. Ko, B.Viswanath and S. Ramanathan; Correlated oxide phase transition switch: A paradigm in electron devices IEEE Conference Digest, Device Research Conference, 187 (2011)
  • 9. B.Viswanath, N.Ravishankar:Biphasic Composite of Tricalcium Phosphate Reinforced with Hydroxyapatite Whiskers,MRS.Symp.Proc.Vol.898E,0898-L05-20.1(2006)
  • 8. B.Viswanath, N.Ravishankar: Synthesis, Sintering and Microstructural Characterization of Nanocrystalline Hydroxyapatite Composites, MRS.Symp.Proc.Vol.845, AA5.31.1 (2005)
  • 7. B.Viswanath and S.Ramanathan; In-situ studies on martensitic type transitions in VO2 thin films, APS march meeting, 2013, Baltimore, Maryland, USA. (Oral)
  • 6. B.Viswanath and S.Ramanathan; In-situ measurements of stress relaxation across metal insulator transition in correlated oxide thin films, APS march meeting, 2012, Boston, Massachusetts, USA. (Oral)
  • 5. B.Viswanath, Sieu D. Ha and Shriram Ramanathan; Influence of Stress and Point Defects on the Metal Insulator Transition Characteristics in SmNiO3 Thin Films, Materials Research Society, Fall- 2011, Boston, Massachusetts, USA. (Poster)
  • 4. B.Viswanath and S.Ramanathan; Thermoelastic switching with controlled actuation in VO2 thin films, Materials Research Society, Fall- 2010, Boston, Massachusetts, USA. (Oral)
  • 3. B.Viswanath, S. Patra, N. Munichandraiah, N.Ravishankar; Nanoporous Pt with high surface area by reaction limited aggregation of nanoparticles, National Conference on advanced materials and characterization, NCAMC- 2008, Vellore Institute of Technology(VIT), Vellore, India. (Oral)
  • 2. B.Viswanath, R.Raghavan, N.P.Gurao, U.Ramamurty, N.Ravishankar: Mechanical Properties and Anisotropy in Hydroxyapatite Single Crystals, Materials Research Society, Fall- 2007, Boston, Massachusetts, USA. (Poster)
  • 1. B.Viswanath and N.Ravishankar: Porous Biphasic Scaffolds and Coatings for Biomedical Applications via Morphology Transition of Nanorods, Nano2006, 8th International Conference on Nanostructured Materials, IISc, Bangalore, India.(Poster)

Google Scholar

  • http://scholar.google.co.in/citations?user=0GlW2ZYAAAAJ&hl=en
  • .