Vadavalli Saikiran

Vadavalli Saikiran

Associate Professor, Elephy, GSS, VSP

Education
Ph. D.
Email ID
svadaval@gitam.edu
Education
Ph. D.
Research Areas
  • Experimental Condenced Matter Physics
  • Photonics SERS
  • Nanostructuring by Ion beam irradiation
  • Material science of thin films

Education

Degree NameInstitute & College nameYear of Graduation/Award
PhysicsUniversity of Hyderabad2013
PhysicsAU Campus Science College2004
Maths Physics ChemistryNoble College2002

Experience

DesignationOrganizationFrom DateTo Date
Research AssociateUniversity of Hyderabad01-01-201431-07-2017
Visiting ScholarUniversity of Saskatchewan01-09-201231-03-2013
Lecturer AdhocThe Hindu College MAchilipatnam01-06-200430-06-2008

Novel Synthesis and Study of Nonlinear Absorption and SurfaceEnhanced Raman Scattering of Carbon Nanotubes Decorated with Silver NanoparticlesChemical Physics, Scopus, MAY-2020, 533, 110703

Approachtomagnetic saturation of Fe nanoparticlenanorod encapsulated multiwalled carbon nanotubes under heavy ion irradiationPhysica B Condensed Matter, Scopus, JAN-2020, 577, 411773

Effects of ion irradiation on the structural and electrical properties of HfO2SiONSi pmetal oxide semiconductor capacitorsThin solid films, Scopus, -2019, March 2019, 3-9

Morphology Effect on SERS Activity of Embedded Silver Nanostructuresphysica status solidi (a), Scopus, -2018, 215, 1800533

Femtosecond laser induced nanostructuring of graphite for the fabrication of quasiperiodic nanogratings and novel carbon nanostructuresApplied Surface Science, Scopus, -2018, 428, 177-185

Electronic excitation induced modifications in elongated iron nanoparticle encapsulated multiwalled carbon nanotubes under ion irradiationApplied Surface Science, Scopus, -2018, 439, 822-833

Ion induced intermixing and consequent effects on the leakage currents in HfO2SiO2Si systemsApplied Physics A, Scopus, -2017, 123, 303

Synthesis and characterization of Ge nanocrystals embedded in highk dielectric (HfO2) matrixAdvanced Material Letters, Google scholar, -2016, 7, 957-963

Femtosecond laser nanostructuring of titanium metal towards fabrication of lowreflective surfaces over broad wavelength rangeApplied Surface Science, Scopus, -2016, 371, 479-487

Ultrafast laser induced subwavelength periodic surface structures on semiconductorsmetals and application to SERS studiesMRS Advances, Scopus, -2016, 1, 3317-3327

Novel Preparation of Biocompatible, strong and broad Fluorescent Silver NanodotsOSA Proceedings, Scopus, -2016, W3A.43, 43

Synthesis, characterization and radiation damage studies of highk dielectric (HfO2) films for MOS device applicationsRadiation Effects and Defects in solids , Scopus, -2015, 170, 207-217

Synthesis of ultrasmall silicon nanoparticles by femtosecond laser ablation of porous siliconJournal of Materials Science, Scopus, -2015, 50, 1666-1672

Optical properties of germanium nanoparticles synthesized by pulsed laser ablation in acetoneFrontiers in Physics, Web of science, -2014, 2, 57

150 MeV Au ion induced modification of Si nanoparticles prepared by laser ablationNuclear Instruments and Methods in Physics Research Section B, Scopus, -2014, 333, 99-105

SHI irradiation fluence and energyloss dependence effects on Ge NCs with different initial sizes embedded in SiO2Nuclear Instruments and Methods in Physics Research Section B, Scopus, -2014, 323, 14-18

Influence of solvent on the optical and structural properties of Germanium nanoparticles synthesized by nanosecond laser ablation in liquidsOSA Proceedings, Scopus, -2014, T3A, 64

Effects of swift heavy ionirradiation on mica and coalbased rocks of Lower Himalayas in Sikkim, IndiaRadiation Effects and Defects in solids, Scopus, -2013, 168, 940-949

Ion beam irradiation effects on Ge nanocrystals synthesized by using RF sputtering followed by RTANuclear Instruments and Methods in Physics Research Section B, Scopus, -2013, 315, 161-164

Formation of Ge nanocrystals from ionirradiated GeO2 nanocrystals by swift Ni ion beamNuclear Instruments and Methods in Physics Research Section B, Scopus, -2013, 312, 1-6

Synthesis and tailoring of GaN nanocrystals at room temperature by RF magnetron sputteringRadiation Effects and Defects in solids, Scopus, -2012, 167, 659-665

Ion beam treated strained AlGaNGaN multi quantum wells HAADFSTEM, HRTEM, Raman and HRXRD characterizationsRadiation Effects and Defects in solids, Scopus, -2012, 167, 612-620

Anharmonic effects on positron channeling angular scans and dechanneSHI irradiation induced effects in functionalized MWCNTsling due to stacking faults and plateletsRadiation Effects and Defects in solids, Scopus, -2012, 167, 594-606

SHI irradiation induced effects in functionalized MWCNTsRadiation Effects and Defects in solids, Scopus, -2012, 167, 569-576

Ion beammixing effects in nearly latticematched AlInNGaN heterostructures by swift heavy ion irradiationRadiation Effects and Defects in solids, Scopus, -2012, 167, 506-511

Photoluminescence and photoluminescence excitation studies in 80 MeV Ni ion irradiated MOCVD grown GaNNuclear Instruments and Methods in Physics Research Section B, Scopus, -2011, 269, 1925-1928

Electronic stopping dependence of ion beam induced modifications in GaNNuclear Instruments and Methods in Physics Research Section B, Scopus, -2011, 269, 890-893

Growth and characterization of ncGe prepared by microwave annealingVacuum, Scopus, -2011, 85, 927-931

Characterization of GeO2 Nanocrystals Prepared By Microwave AnnealingAIP Proceedings, Scopus, -2011, 1366, 264

SHI Effects On GeSiO2 Composite Films Prepared By RF SputteringAIP Proceedings, Scopus, -2011, 1366, 341

Structural Changes Induced by Swift Heavy Ion Beams in tensile strained Al (1x)InxN GaN HeterostructuresMRS Proceedings, Scopus, -2011, 11, 115-120

RBS, XRD, Raman and AFM Studies of Microwave Synthesized Ge NanocrystalsMRS Proceedings, Scopus, -2011, 11, 141-144

Ion Beams for synthesis and modification of nanostructures in semiconductorsMRS Proceedings, Scopus, -2011, 11, 79-90

Synthesis of Ge nanocrystals by atom beam sputtering and subsequent rapid thermal annealingSolid State Communication, Scopus, -2010, 150, 2122-2126

Title of the projectFunded byDurationSanctioned date
Studies of the semiconductormetal nanoparticles sandwiched between highk dielectric oxide layers for memory applications and their modification by ion beam irradiationUGC2429-Mar-2019
Title of the projectFunded byDurationSanctioned date
Title of the bookBook / ChapterName of the publisherSubject areaEditionPage numbersISBNPublished year
Nanomaterials Synthesis Design, Fabrication and ApplicationsChaptersElsevier PublishersNanomaterials1149-1999780128157512019
Advances in Applied Spectroscopy Concepts and TechniquesChaptersNova Science PublishersAnalytical chemistry and microchemistry189-1269781536124402017
Ion beam Induced Modification of Semiconductor Nanocrystals Si & Ge NanocrystalsBookScholars Press Publishing GroupAdvanced Research Topics19783639668612014
Board nameJournal name
Board nameJournal name
ReviewerDAE BRNS Solid State Physics Symposium
ReviewerJournal of Alloys and Compounds
ReviewerJournal of Physics Condensed Matter
ReviewerACS Omega
ReviewerMaterials Today Proceedings
ReviewerMaterial Research Express
ReviewerJournal of Applied Physics
ReviewerJournal of Physics D Applied Physics
Seminar nameOrganized byVenueStart dateEnd dateTitle of the paper presentedRoleCo presenter
NationalRRCAT IndoreRRCAT Indore02-Dec-201505-Dec-2015Gold film assisted femtosecond laser fabrication of periodic surface structures on semiconductor substrates for SERS applicationsParticipatedD Narayana Rao
Seminar nameOrganized byVenueStart dateEnd dateTitle of the paper presentedRoleCo presenter
InternationalDevi Ahilya University IndoreDevi Ahilya University Indore11-Oct-201713-Oct-2017SHI Irradiation effects on Fe embedded MWCNTsParticipatedA P Pathak
InternationalSri Sathya Sai University, PuttaparthiSSIHL, Puttaparthi20-Dec-201422-Dec-2014Optical properties of Ge nanoparticles synthesized in different liquids by pulsed laser ablationParticipatedD Narayana Rao, Mudasir H Dar
InternationalIIT KharagpurIIT Kharagpur13-Dec-201416-Dec-2014Influence of solvent on the optical and structural properties of Germanium nanoparticles synthesized by nanosecond laser ablation in liquidsParticipatedD Narayana Rao, Mudasir H Dar
InternationalSri Venkateswara University TirupathiSri Venkateswara University Tirupathi03-Dec-201406-Dec-2014Optical properties of Germanium nanoparticles synthesized by pulsed laser ablation in acetoneParticipatedD Narayana Rao, Mudasir H Dar
InternationalUniversity of North Texas Denton USAUniversity of North Texas Denton USA05-Aug-201210-Aug-2012Structural and optical properties of Ge nanocrystals embedded in SiO2 prepared by1 MeV Ge implantationParticipatedA P Pathak
InternationalUniversity of North Texas Denton USAUniversity of North Texas Denton USA05-Aug-201210-Aug-2012Effects of Ion irradiation on GeO2 nanocrystalsfluence dependence studyParticipatedA P Pathak
InternationalARCI HyderabadARCI Hyderabad20-Jan-201223-Jan-2012Synthesis of Si nanocrystals embedded in SiO2 matrixParticipatedA P Pathak
InternationalJNCASR BangaloreJNCASR Bangalore05-Dec-201110-Dec-2011SHI irradiation induced effects in functionalized MWCNTsParticipatedA P Pathak
Name of the awardAwarded byAwarded year
UGC STARTUP RESEARCH GRANTUGC2019
Dr D S Kothari PDFUGC2017
International Travel SupportDST2012
Commonwealth visiting scholrshipCanada Univ of Saskatchewan Saskatoon2012
UGC CSIR NETCSIR2007
TitleTypeOrganized byVenueStart dateEnd dateRole
Effective teaching Learnign skillsFaculty development programGITAM Institute of Science, GITAM Deemed to be University, VisakhapatnamGITAM Institute of Science, GITAM Deemed to be University, Visakhapatnam10-Jun-201914-Jun-2019Participated
Short Course on spectroscopic ellipsometryQuality improvement programSinsil International, J A woollamRRI Bangalore24-Jan-201825-Jan-2018Participated
TitleTypeOrganized byVenueStart dateEnd dateRole