Dinesh Topwal

Dinesh Topwal (Associate Professor - G)

Area of Research: Experimental Condensed Matter Physics

Biosketch
  • Email: dinesh[dot]topwal[at]iopb[dot]res[dot]in
  • Telephones :+91-674-230-6420 (Office)
    +91-674-230-6620 (Residence)

Selected Publications

  • “Quantum electron confinement in closely matched metals: Au films on Ag(111)”,D. Topwal, et. al. Phys. Rev. B 86, 085419 (2012)
  • “Two Distinct Phases of Bilayer Graphene Films on Ru(0001)”,Marco Papagno, et. al. ACS Nano, 6 (10), 9299 (2012)
  • “Stabilizing Monomeric Iron Species in a porous silica/Mo(112) film”,J.F. Jerratsch, et. al. ACS Nano, 4 (2), 863 (2010)
  • “Direct spectroscopic evidence of spin-dependent hybridization between Rashba-split surface statesand quantum-well states”,Ke He, et. al. Phys. Rev. Lett. 104, 156805 (2010)
  • “Structural and magnetic properties of Sr2Fe(1+x)Mo(1-x)O6 with -1 ? x? 0.25”,Dinesh Topwal, et. al. Phys. Rev. B 73, 094419 (2006)
  • “Direct Observation of Large Electronic Domains with Memory Effect in Doped Manganites”,D. D. Sarma, et. al. Phys. Rev. Lett. 93, 097202 (2004)

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Group Members

Doctoral Scholars

      Aisha Khatun

    • M.Sc.: Department of Physics, Burdwan University (2017)
    • Research Area: Investigation of structural and physical properties of Rare-Earth Manganites
    • Email: aisha1995khatun@gmail.com, aisha.k@iopb.res.in

      Nevin Noble

    • M.Sc.: Hydrabad Central University (2021)
    • Research Area: Thermoelectric Materials
    • Email: nevin.noble@iopb.res.in

      Sayari Ghatak

    • M.Sc.: North Bengal University (2020)
    • Research Area: Quantum magnetism
    • Email: sayari.ghatak@iopb.res.in
      Debidatta Mohanty

    • M.Sc.: Utkal University (2021)
    • Research Area: Thermoelectric Materials
    • Email: debidatta.mohanty@iopb.res.in
      Dhananjay Moharana

    • M.Sc.: U.N. Autonomous College (2021)
    • Research Area: Perovskite Materials
    • Email: dhananjay.m@iopb.res.in

Post-Doctoral Scholars

      Dr. Subhadeep Dutta

    • Ph.D.: IIT Patna (2024)
    • Research Area: Heusler Alloy
    • Email: subhadeep.d@iopb.res.in
      Dr. Abhishek Das

    • Ph.D.: Indian Association for The Cultivation of Science (IACS, Kolkata)
    • Research Area: Strongly Correlated Oxides
    • Email: abhishek.das@iopb.res.in

Alumni

      Dr. Karan Singh

    • Ph.D.: IIT Mandi (2019)
    • Research Area: Topological Materials
    • Email: karan.singh@iopb.res.in
      Dr. Payel Aich

    • Ph.D.: Indian Association for The Cultivation of Science (IACS, Kolkata)
    • Research Area:
    • Email: payel.aich@iopb.res.in
      Sudipta Mahana (Graduate student)

    • M.Sc.: Department of Physics, Utkal University (2012)
    • Research Area: Magnetocaloric effect, glass transitions and multiferroic effects in strongly correlated systems
    • Email: mahana.sudipta123@gmail.com, sudipta@iopb.res.in
      Pronoy Nandi (Graduate student)

    • M.Sc.: Department of Physics, Burdwan University (2012)
    • Research Area: Structural and spectroscopic investigations of hybrid organic-inorganic perovskite solar cell material
    • Email: pnphys@gmail.com, pronoy@iopb.res.in
      Dr. Chandan Giri (Post-doctoral scholar)

    • Ph.D.: Jyväskylä University, Finland (2013)
    • Research Area: Metallo-organic supramolecular chemistry, hybrid perovskite material, nanoparticle synthesis of thermoelectric materials by chemical route
    • Email: chandan.chem@gmail.com, chandan.giri@iopb.res.in
      Dr. Ravi Kumar Bommali (Post-doctoral scholar, jointly with Prof. B.R. Sekhar)

    • Ph.D.: IIT Delhi, India (2014)
    • Research Area: Opto-electrical and plasmonic properties of doped SiN:H, thin films, Thermoelectric materials
    • Email: ravibommali06@gmail.com, ravibommali@iopb.res.in
      Dr. Bipul Rakshit (Visiting Scientist)

    • Ph.D.: Barkatullah University (2008)
    • Research Area: Density functional Theory analysis of layered and strongly correlated systems
    • Email: bipulrr@gmail.com

Areas of Interest

  • Low-dimensional systems in condensed matter: Quantum confinement effects, interactions /hybridization, Fermi surfaces and surface transport of thin films in Surface alloys, Self assembledsuperstructures on metals and semiconductors, Graphene, Silicene and Organic films.
  • Electronic and magnetic properties: Spin-orbit coupling, symmetry-broken environments, Rashbaeffect, electron-phonon interaction, electron-electron interaction, many-particle effects, Lowdimensionalmagnetism, isolated magnetic impurities, Kondo effect, magnetic anisotropy.

Experience