Assistant Professor

Dr. Laxmi Narayana Patro

Department of Physics

Interests

  1. Solid state ionics
  2. Materials for solid state batteries and chemical sensors
  3. Nonlinear conductivity

Education

2002

KSUB College
India
Bachelors

2004

Berhampur University
India
Masters

2011

IIT Madras
India
Ph.D.

Experience

  • July 2016 - June 2018, Assistant Professor | GITAM University, Bangalore
  • January 2014 - January 2016, Postdoctoral Researcher | University of Marburg, Marburg, Germany
  • March 2012 - August 2013, Postdoctoral Fellow | Seoul National University, Seoul, South Korea

Research Interest

  • Charge transport and glassy dynamics of glass forming ionic liquids at higher electric fields using impedance spectroscopy.
  • Synthesis and characterization of fast ion conducting solid materials for energy storage applications
  • Nonlinear conductivity measurement at higher electric fields: Frequency dependence of higher order conductivity coefficients.
  • Defect structure of oxide materials in different thermodynamic conditions (temperature and oxygen partial pressure).
  • Ionics of Nano structured materials, Thin films, Glassy and Polymer electrolytes.
  • Dielectric studies and relaxation mechanisms
  • Fabrication and characterization of solid state ionic devices such as batteries, sensors

Awards & Fellowships

  • 2002 – 1st rank for the university in the B.Sc. Program – Berhampur University, Odisha
  • 2004 – 2nd rank for the university in the M.Sc. Program – Berhampur University, Odisha
  • 2005 – Qualified Graduate Aptitude Test in Engineering (GATE-2005) with 94.03 percentile
  • 2008 – Poster award - 53rd DAE solid state physics symposium, BARC, Mumbai

Memberships

  • American Physical Society

Publications

Publications
  • Nonlinear ion transport in liquid and solid electrolytes- B. Roling, L. N. Patro, O. Burghaus and M. Gräf- The European Physical Journal Special Topics, 226, 3095–3112 (2017).
  • Nonlinear Permittivity Spectra of Supercooled Ionic Liquids: Observation of a “Hump” in the Third-Order Permittivity Spectra and Comparison to Double-Well Potential Models- L. N. Patro, O. Burghaus and B. Roling- Journal of Chemical Physics, 146, 154503 (2017).
  • Anomalous Wien Effects in Supercooled Ionic Liquids- L. N. Patro, O. Burghaus and B. Roling-Physical Review Letters, 116 (18), 185901 (2016).
  • Temperature-dependent magnetization, anisotropy and conductivity of CoFe2-xSnxO4 (x = 0.025, 0.05, 0.075): appearance of grain boundary conductivity at high temperatures- U. Kodam, V. Vaithyanathan, L. N. Patro, S. S. R. Inbanathan and K K. Bharathi- Journal of Physics D: Applied Physics. 49 (30), 305001 (2016).
  • Nonlinear ion transport in the supercooled ionic liquid 1-hexyl-3methylimidazolium bis(trifluromethylsulfonyl)imide: Frequency dependence of third-order and fifth-order conductivity coefficients- L. N. Patro, O. Burghaus and B. Roling- Journal of Chemical Physics, 142(6), 064505.1-8 (2015).
  • Evolution of grain boundary conduction with increasing temperature in pure and Ti doped Co ferrite materials- V. Vaithyanathan, L. N. Patro, U. Kodam, H. Tan, S. S. R. Inbanathan, and K. K. Bharathi-Journal of Applied Physics, 118(11), 114102 (2015).
  • Enhanced ferromagnetic properties and high temperature dielectric anomalies in Bi0.9 Ca0.05 Sm0.05 FeO3 prepared by hydrothermal method- K. K. Bharathi, G. Ramesh, L. N.  Patro, N. R. C. Raju and D. K. Kim- Materials Research Bulletin, 62, 5-10 (2015).
  • Microstructural and ionic transport studies of hydrothermally synthesized lanthanum fluoride nanoparticles- L. N. Patro, K. K. Bharathi and N. R. C. Raju AIP Advances, 4(12), 127139.1-10 (2014).
  • Unexpected thermoelectric behavior and immiscibility of the allegedly complete solid solution Sr(Ru1–xTix)O3- H. Jang, J. Brendt, L. N. Patro, M. Martin and H. I. Yoo-. Physical Review B, 89(14), 144107.1-10 (2014).
  • Physical properties of high performance fluoride ion conductor BaSnF4 thin films by pulsed laser deposition- L. N. Patro, N. R. C. Raju, S. R. Meher and K. K. Bharathi- Applied Physics A, 112(3), 727-732 (2013).
  • Transport and photoluminescence studies of rare earth ions (Eu3+ and Nd3+) doped BaSnF4- L. N. Patro and K. Hariharan- Ionics, 19(11), 1611-1617 (2013).
  • Fast fluoride ion conducting fluoride materials in Solid State Ionics: an overview- L. N. Patro and K. Hariharan- Solid State Ionics. 239, 41-49 (2013).
  • Electronic behavior and impedance analysis of microcrystalline LiFePO4- K. K. Bharathi, L. N. Patro and C. V. Ramana- Journal of Materials Science, 48(14), 5063-5070 (2013)
  • Influence of dispersed alumina particles on the transport properties of mechanochemically synthesized NaSn2F5- L. N. Patro and K. Hariharan- Ionics, 19(4), 643–649 (2013).
  • Ionic transport studies in Sn(1-x)KxF(2-x) type solid electrolytes- L. N. Patro and K. Hariharan-Materials Research Bulletin, 47(9), 2492-2497 (2012).
  • Mechanical milling: an alternative approach for enhancing the conductivity of SnF2- L. N. Patro and K. Hariharan-Materials Letters. 80, 26-28 (2012).
  • Influence of synthesis methodology on the ionic transport properties of BaSnF4- L. N. Patro and K. Hariharan- Materials Research Bulletin, 46(5), 732-737 (2011)
  • Frequency dependent conduction characteristics of mechanochemically synthesized NaSn2F5- L. N. Patro and K. Hariharan- Materials Science and Engineering B, 162 (3), 173-178 (2009)
  • AC conductivity and scaling studies of polycrystalline SnF2- L. N. Patro and K. Hariharan- Materials Chemistry and Physics, 116 (1), 81-87(2009).
Book Chapter
  • Nonlinear ionic conductivity of solid electrolytes and supercooled ionic liquids- B. Roling, L. N. Patro, O. Burghaus- Nonlinear dielectric spectroscopy, Springer, 301-319 (2018).
Conference Proceedings and Presentations
  • Nonlinear conductivity and dielectric spectra of glass-forming monocationic and dicationic liquids- N. Patro, O. Burghaus and B. Roling- Glastag, Innsbruck, Austria, (2015).
  • Nonlinear ion transport in glass forming ionic liquids: Frequency dependence of higher order conductivity coefficients- N. Patro, O. Burghaus and B. Roling- Glastag, Augsburg, Germany (2014).
  • Transport properties of MSnF4 (M: Ba, Sr) type fluoride ion conductors synthesized by different routes- N. Patro and K. Hariharan- 8th National Conference on Solid State Ionics, Dr. H.S.G Central University, Sagar (2009).
  • Ionic transport studies in Sn(1-x)KxF(2-x) type solid solutions- N. Patro and K. Hariharan- 17th International Conference on Solid State Ionics, Toronto, Canada (2009).
  • Transport studies in MSnF4 (M: Ba, Sr) type fluoride ion conductors- N. Patro and K. Hariharan- Proceeding of the DAE Solid State Symposium, 53, 1015 (2008).
  • Influence of nano size fillers on the transport characteristics of mechanochemically synthesized NaSn2F5- N. Patro and K.  Hariharan- International Symposium for Research Scholars on Metallurgy, Materials Science and Engineering, IIT Madras, Chennai, (2008).
  • Ionic transport studies in SnF2 based fluorine ion conductors- N. Patro and K. Hariharan-11th Asian Conference on Solid State Ionics, Bharathiar University, Coimbatore, (2008).
  • Frequency dependent conductivity and modulus characteristics of mechanochemically synthesized NaSn2F5- N. Patro and K. Hariharan,-7th National Conference on Solid State Ionics, A.P.S University, Rewa, (2007).
  • Fast ionic conduction in Potassium fluoride doped SnF2 -L. N. Patro and K. Hariharan, - Proceeding of the DAE Solid State Symposium, 51, 733 (2006)

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