Reddithota Vidyasagar

Post-Doc Fellowship

Contact

Department

  • Physics

Research

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Short CV

  •  Ph. D. (Solid State Physics) obtained from Sri Venkateswara University, Tirupati, India (2004 – 2008).Thesis Title: Synthesis, structural, optical and magnetic properties of Mn, Co and (Mn,Co) doped ZnO nanoparticles
  • Pre.PhD Sri Venkateswara University, Tirupati (2006).
  • Project Fellow, Project entitled as “Mechanoluminescence of ZnMnTe Crystals” University Grant Commission, New Delhi, India (2005-2006).
  • M.Sc. (Physics), Sri Venkateswara University, Tirupti, India (2001 - 2003).
  • B.Sc. (Mathematics, Physics, and Chemistry), S.C.N.R.Govt.College, Proddatur, Kadapa (Dist), India (1997-2000).

Research Experience

  • FCT-Postdoctoral Associate at Department of Physics & CICECO, University of Aveiro, 3810-193 Aveiro, Portugal (August 2019– Present). Research Topic: Ferroelectric-Graphene structures: fabrication,properties, applications.
  • SAIA_Researcher at department of Physics, UPJS, Kosics, Slovakia. (Feb 2019-July 2019, Research Topic: Martensitic transformation in Fe-based Heusler Alloys for Magnetic shape memory applications)
  • FCT-Postdoctoral Associate at Department of Physics & CICECO, University of Aveiro, 3810-193 Aveiro, Portugal (December 2015 – November 2018). Research Topic: Ferroelectric-Graphene structures: fabrication, properties, applications.
  • CAPES-Young Talents A- (1st June 2015 – 31st November 2015) at Department of Physics, University Federal of Pernambuco, Recife, Brazil.Research Topic: Magneto-impedance studies on amorphous alloys (Spin-glass to ferromagnetic transitions) and magneto-optical features of YIG epitaxial films.
  • Postdoctoral Fellow (October 2014 - May 2015) at School of Physics, Institute of Science, Suranaree University of technology, Nakhon Ratchasima, Thailand. Research Topic: Band structure studies on nearly-electron-free systems, and the magneto-optical Kerr effect in multi-ferroics.
  • Postdoctoral Fellow at Department of Electrical and Electronics Engineering & CREAT, Kobe University, Kobe, Japan (April 2011 – March 2014). Research Topic: Growth of Rare-earth nitrites using reactive rf sputtering technique, and its magneto-optical features to develop Spintronic device applications.
  • Postdoctoral Fellow at Department of Physics, National Sun Yat-Sen University, Taiwan (Dec 2009 – Dec 2010). Research Topic: GaN based Diluted magnetic Semiconductors – Semiconductor spintronics grown by Plasma-assisted Molecular Beam Epitaxy.

Publications

Observation of self-trapped polaron exciton signatures in ligand-assisted lead halide perovskite nanocrystals

Vidyasagar, R; Udayabhaskararao, T; Jakka, SK
2025, SCRIPTA MATERIALIA, 268.

Structural, thermo-electric, and thermo-magnetic characteristics of non-stoichiometric L21-type Fe43Mn29Si28 Heusler structures

Vidyasagar, R; Hennel, M; Varga, M; Ryba, T; Galdun, L; Sucik, G; Reiffers, M; Varga, R
2023, JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 174.

Fe–Mn–Ga shape memory glass-coated microwire with sensing possibilities

L Galdun, R Vidyasagar, M Hennel, M Varga, T Ryba , L Nulandaya, O Milkoviˇc, M Reiffers, J Kravˇc´ak, Z Vargova and R Varga
2022, J. Phys. D: Appl. Phys, 55- 045303.

Heusler-Based Cylindrical Micro- and Nanowires

M. Hennel, M. Varga, L. Frolova, S. Nalevanko, P. Ibarra-Gaytán, R. Vidyasagar, P. Sarkar, A. Dzubinska, L. Galdun, T. Ryba, Z. Vargova,R. Varga
2022, Physica Status Solidi a - applications and materials science.

Martensitic transformation in Fe42Mn28.3Ga29.7 Heusler alloy accompanied with a huge variation of initial permeability

Reddithota Vidyasagar; Ladislav Galdun; Tomas Ryba; Gabriel Sucik; Marian Reiffers; Jozef Kovac; Zuzana Vargova; Rastislav Varga
2020, Journal of Alloys and Compounds, 835, 155346.

Effect of ferroelectric domains on electric properties of single layer graphene

Zelenovskii, P; Romanyuk, K; Vidyasagar, R; Akhmatkhanov, A; Zhao, P; Shur, VY; Kholkin, AL
2019, FERROELECTRICS, 542, 1, 93-101.
ISBN: 1563-5112

Ferromagnetic resonance features of degenerate GdN semiconductor

Reddithota Vidyasagar, Takashi Kita, Takahiro Sakurai, Tokuro Shimokawa, Hitoshi Ohta
2017, Physics Letters A, 381, 1905-1909.

Surface potential distribution of multilayer graphene using Kelvin probe and electric-field force microscopies

Vidyasagar, R; Camargo, B; Romanyuk, K; Kholkin, AL
2017, FERROELECTRICS, 508, 1, 115-123.

Defect concentration in nitrogen-doped graphene grown on Cu substrate: A thickness effect

Sharma, DK; Fateixa, S; Hortiguela, MJ; Vidyasagar, R; Otero-Irurueta, G; Nogueira, HIS; Singh, MK; Kholkin, A
2017, PHYSICA B-CONDENSED MATTER, 513, 62-68.

GMI in the reentrant spin-glass Fe90Zr10 alloy: Investigation of the spin dynamics in the MHz frequency regime

Ribeiro, PRT; Ramirez, JMM; Vidyasagar, R; Machado, FLA; Rezende, SM; Dahlberg, ED
2016, APPLIED PHYSICS LETTERS, 109, 10, 127-130.

Investigations on Transition Metal Doped Semiconductor for Spintronics.

R Vidyasagar
2009, LAP LAMBERT Academic Publishing GMbH & Co. Saarbrucken.
ISBN: 978-3843359726

Investigations on Transition Metal Doped Semiconductor for Spintronics.

R Vidyasagar
2009, LAP LAMBERT Academic Publishing GMbH & Co. Saarbrucken.
ISBN: 978-3843359726

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