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Vadavalli Saikiran

Vadavalli Saikiran

Associate Professor

Department of Physics

GITAM School of Science

Visakhapatnam

Education

Ph. D.

Dr Saikiran Vadavalli has completed PhD in Physics from UOHYD in 2013 with CSIR JRF and SRF fellowship. He worked as a post doctoral fellow during 2014-2017 in the ultrafast optics laboratory at school of Physics, UOHYD. His area of research is in high-k dielectric thin films, laser matter interaction, nanophotonics and surface enhanced Raman scattering, ion beam induced modification of nanomaterials. He visited University of Naples Federico II, Italy during 2022-23 on SERB SIRE fellowship.

Research Publications

  • R Kuladeep, C Sahoo, L Jyothi, D Narayana Rao, V Saikiran “Optical, structural and morphological studies of nanostructures fabricated on silicon surface by femtosecond laser irradiation” Journal of Material Science 57, 1863–1880 (2022).
  • G Neelima, T Mahesh, N Manikanthababu, A P Pathak, V Saikiran “Ion irradiation-induced effects on optical and structural properties of Ge nanoparticles synthesized by laser ablation” Physica B: Condensed Matter 634, (2022), 413805
  • M P V Prakash, N Manikanthababu, I Sameera, Ravi Bhatia, A P Pathak, V Saikiran “Approach-to-magnetic saturation of Fe nanoparticle/nanorod encapsulated multi-walled carbon nanotubes under heavy ion irradiation” Physica B: Condensed Matter 577, (2020) 411773.
  • G Neelima, P Babuji, A P Pathak, D N Rao, P G Krishna, V Saikiran "Crystallization of Germanium-SiO2 composite films via nanosecond laser pulse irradiation" Thin Solid Films Volume 796, 15 May 2024, 140331
  • V Saikiran, P Bazylewski, I Sameera, Ravi Bhatia, AP Pathak, V Prasad, GS Chang “Electronic excitation induced modifications in elongated iron nanoparticle encapsulated multiwalled carbon nanotubes under ion irradiation” Appl. Surf. Science 439, (2018) 823-832.

Ongoing Research Projects

  • Check Icon UGC DAE CSR RESEARCH GRANT (2023-26) Project Title: "Fabrication of bimetallic and multi-layered nanostructured thin films by magnetron sputtering for SERS applications "

Expertise

  • Check Icon Thin films fabrication, laser induced periodic surface structures, surface enhanced Raman scattering, Ion irradiation induced modification, naomaterials
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