Prof VS Vallabhapurapu

Qualifications

• M.Sc Nuclear Radiation Physics, Kakatiya University, India
• PhD Superconductivity, Indian Institute of Science, India

NRF Rating

Currently teaching

• Solid State Physics
• Condensed Matter Physics 

Fields of academic interests

Research interests

• Experimental Condensed Matter Physics
• Electron Spin Resonance (ESR)
• Nano Magnetics
• Thermal Properties of Nano and Micro Composites
• Spintronics

Field of Specialisation

• Solid State Physics
• Condensed Matter Physics

Research Focus

My research areas are experimental Superconductivity, Novel Magnetism, Electron Spin Resonance, Low field microwave absorption, Nanotechnology for water purification and Enzyme based catalysis, Conductivity in polymer and bio-polymer nano composites and Resistive Switching phenomenon. Our group research focuses on the applied physics and devices such as Josephson Junctions at nano scale, Microwave Spintronics and ReRAM for emerging computer memory devices and Green computing.

Journal articles

• Hopping conductivity-mediated O-shaped memory behaviour in gelatin–graphene oxide composite films, Sreedevi Vallabhapurapu, Ashwini Rohom, N. B. Chaure, C. Tu, S. Du, V. V. Srinivasuand Ananthakrishnan Srinivasan, Applied Physics A 124(2018) 639
• Low field microwave absorption in iron nanoparticles embedded polyanilinenanofibers composite, MadhumitaBhaumik, Arjun Maity, T.S. MahuleandV.V. Srinivasu, Synthetic Metals 249 (2019) 63–68
• Tunability of localization length in naphthalene sulfonic acid doped polyaniline/ nickel ferrite composite nanorods system,MadhumitaBhaumik, Arjun Maity, T. S. Mahule, and V. V. Srinivasu,J. Appl. Phys. 126, 035102 (2019)
• Novel normal-state low field microwave absorption in SmFeAsO1 xFx iron pnictide superconductors R.B. Onyancha, J. Shimoyama, Jayashree Das , H. Ogino, U.O. Aigbe, V.V. Srinivasu, Solid State Communications , 307, 113800, 2020
• Ferromagnetism in SnO 2 Doped with Transition Metals (Fe, Mn and Ni) for Spintronics Application: A Review of Experimental Status, Yared Worku, Dipti Ranjan Sahu and Vijaya Vallavhapurapu  Chapter In book: Magnetic Materials, DOI: 10.5772/intechopen.90902, 2020.

Projects

• Electromagnetic methods for fluid treatment
• Superconductivity Technology based on Nano Josephson Junctions
• UNISA-DHET Clean room project
• South Africa – Italy project on High pressure synthesis and novel magnetism

Other

Patents & Innovation

• METHOD AND APPARATUS FOR TREATING A FLUID patent disclosure number: 2012/08567- reference number: PA156843/P WEI HUA HO;VIJAYA SRINIVASU VALLABHAPURAPU;IVAN WILLIAM HOFSAJER. 2015/03507 South Africa, granted 2016. UNITED STATES PATENT US9938169B2, APRIL 10, 2018.
• Femptosecondlaser based technology for the fabrication of Submicron and Nano Josephson junctions on YBCO thin films. 23rd March 2016. Application no. ZA 2016/01975 Authors:  Patrice Umenne and V.V. Srinivasu
• Non-Volatile Resistive Random Access Memory and a Manufacturing Method Therefor,
• Vallabhapurapu, Sreedevi 2. Srinivasan, Ananthakrishnan 3. Vallabhapurapu, Vijaya Srinivasu, Patent application number: 2018/08000, 27 Nov 2018.