Dr. Anupama A V had carried out her doctoral research work at Materials Research Centre, Indian Institute of Science, Bengaluru. Her academic interests lie in the field of Solid State Physics, Materials Chemistry and Nanoscience & Nanotechnology. She has keen research interest in the field of magnetic and non-magnetic ceramic oxides, carbides and nitrides, shape and size controlled synthesis of meso-materials, carbonaceous nanostructures, conducting polymers and their composites for various applications, such as, in magnetorheology, visible light driven photocatalytic degradation of textile dyes, supercapacitors etc.

Her domain expertise are in

• Various physical and chemical synthesis methods
• Analysis of structural (Rietveld refinement of XRD patterns, max. 8 phases; various spectroscopies), microstructural (electron microscopies) and magnetic properties (Vibrating Sample Magnetometry / Magnetic Property Measurement System; Mössbauer spectroscopy; Nuclear Magnetic Resonance and Electron Paramagnetic Resonance); Thermal properties (Thermogravimetry / Differential Scanning Calorimetry); Dielectric properties etc.
• Mechanical properties (Steady and Dynamical Shear, Creep-Recovery and Stress- Relaxation) of activated magnetorheological fluids (MRFs)

• Awarded with best research paper-2017 by Materials Research Society of India for the publication: S Madolappa, AV Anupama, PW Jaschin, KBR Varma, B Sahoo, Magnetic and ferroelectric characteristics of Gd³⁺ and Ti⁴⁺ co-doped BiFeO ₃ ceramics, Bulletin of Materials Science 39 (2), 593-601 (2016)
• IOP Publishing Top Cited Paper Award (India) for the publication: AV Anupama, V Kumaran, B Sahoo, Magneto-mechanical response of additive-free Fe-based magnetorheological fluids: role of particle shape and magnetic properties, Materials Research Express 5 (8), 085703 (2021) [using citations recorded in Web of Science]
• Top 5% of highly cited authors with RSC journals in 2019: AV Anupama, V Kumaran, B Sahoo, Magnetorheological fluids containing rod-shaped lithium–zinc ferrite particles: the steady-state shear response, Soft matter 14, 5407 (2018)

Professional Education

• PhD (Indian Institute of Science, Bengaluru); Materials Science - 2017
• MSc (Mangalore University, Mangalore) Materials Science - 2003

Teaching Courses

• Present: Materials for Smart Devices (for BTech Computer Science and Engineering, Spec. Data Sciences) Sustainable Smart Materials (for BTech Computer Science and Engineering, Spec. Data Sciences)
• Previous: Physics courses for BTech
• Condensed Matter Physics for MSc
• Physics & Chemistry courses for Pre-University

Research Interests

• Metal oxide semiconductor photocatalysis: Water remediation [dye degradation]
• Shape and size controlled magnetic oxides: Magnetorheological fluids
• Electromagnetic Interference Shielding: Stealth technology & Electronic circuit safety
• Supercapacitors: Cathode materials
• Metal Ion Detectors: Toxic heavy metal traces in water
• Other areas: Hydrogen evolution by water splitting

Selected Publications

• BK Das, T Das, D Das, K Parashar, SKS Parashar, R Kumar, AV Anupama, B Sahoo Negative temperature co-efficient of resistance behaviour of Cr doped ZnO nanoceramics Materials Science and Engineering: B 299, 117017 (2024)
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• T Das, D Das, K Parashar, SKS Parashar, AV Anupama B Sahoo, BK Das Influence of Mg doping on structural, dielectric properties and Urbach energy in ZnO ceramics J Mater Sci: Mater Electron 34, Article number: 2056 (2023)
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• S. Kulkarni, R. Laxmi, AV Anupama, J Pattar, M Ranot. "Nitrogen and carbon encapsulated heterophasic bismuth vanadate nanostructures: Synthesis and Application in visible light driven textile dye degradation." Inorganic Chemistry Communications, 111149, 2023.
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• T. Das, B.K., Das, D. Das, K Parashar, SKS Parashar, AV Anupama, B Sahoo. "Structural, optical and NTCR properties of Ca doped ZnO ceramics." J Mater Sci: Mater Electron, 34(2), 2023.
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• R Sreekanth, Jayadev Pattar, AV Anupama, AMM Mallikarjunaswamy. "Synthesis of high surface area and plate-like Magnesium Oxide nanoparticles by pH-controlled precipitation method." Appl. Phys. A, 127, p. 797, 2021.
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• S Madolappa, HK Choudhary, N Punia, AV Anupama, B Sahoo. "Dielectric properties of A-site Mn-doped bismuth sodium titanate perovskite: (Bi 0·5 Na 0.5 ) 0.9 Mn 0·1 TiO 3." Materials Chemistry and Physics, 270, p. 124849, 2021.
• R Kumar, MA Khan, AV Anupama, SB Krupanidhi, B Sahoo. "Infrared photodetectors based on multiwalled carbon nanotubes: Insights into the effect of nitrogen doping." Applied Surface Science, 538, p. 148187, 2021.
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• A Kumar, R Kumar, N Verma, AV Anupama, HK Choudhary, R Philip, B Sahoo. "Effect of the band gap and the defect states present within band gap on the non-linear optical absorption behaviour of yttrium aluminium iron garnets." Optical Materials, 108, p. 110163, 2020.
• SV Bhandare, HK Choudhary, AV Anupama, RV Kumar, R Kumar, VM Jali, B Sahoo. "Structure and magnetic properties of Ni substituted Co-Mg nanocrystalline ferrites synthesized by sol-gel auto-combustion method." AIP Conference Proceedings, 2244, p. 050012, 2020.
• AV Anupama, R Kumar, HK Choudhary, VJ Angadi, HM Somashekarappa, B Rudraswamy, B Sahoo. "Gamma-irradiation induced modifications in structural and magnetic properties of nanocrystalline Mn 0.5 Zn 0.5 Sm x Fe 2-x O 4 ceramics." Radiation Physics and Chemistry, 166, p. 108506, 2020.
• SV Bhandare, R Kumar, AV Anupama, M Mishra, RV Kumar, VM Jali, B Sahoo. "Effect of Mg-substitution in Co–Ni-Ferrites: Cation distribution and magnetic properties." Materials Chemistry and Physics, 251, p. 123081, 2020.
• SV Bhandare, R Kumar, AV Anupama, HK Choudhary, VM Jali, B Sahoo. "Mechanistic insights into the sol-gel synthesis of complex (quaternary) Co–Mn–Zn-spinel ferrites: An annealing dependent study." Ceramics International, 46, pp. 17400-17415, 2020.
• BK Das, T Das, K Parashar, SKS Parashar, R Kumar, AV Anupama, B Sahoo. "Effect of Cr Doping on Structural, Optical and Dielectric Properties of ZnO Nanoceramics Synthesized by Mechanical Alloying." Electronic Materials Letters, 1-9, 2020.
• LN Mahour, HK Choudhary, R Kumar, AV Anupama, B Sahoo. "Structural, optical and Mössbauer spectroscopic investigations on the environment of Fe in Fe-doped ZnO (Zn 1-x Fe x O) ceramics synthesized by solution combustion method." Ceramics International, 45(18, Part A), p. 24625, 2019.
• GP Nethala, R Tadi, GR Gajula, PVP Madduri, AV Anupama, V Veeraiah. "Influence of Cr on structural, spectroscopic and magnetic properties of CoFe 2 O 4 grown by the wet chemical method." Materials Chemistry and Physics, 238, p. 121903, 2019.
• R Kumar, A Kumar, N Verma, AV Anupama, R Philip, B Sahoo. "Modulating non-linear optical absorption through controlled graphitization of carbon nanostructures containing Fe 3 C-graphite core-shell nanoparticles." Carbon, 153, pp. 545-556, 2019.
• R Kumar, M Manjunatha, AV Anupama, KP Ramesh, B Sahoo. "Synthesis, composition and spin-dynamics of FCC and HCP phases of pyrolysis derived Co-nanoparticles embedded in amorphous carbon matrix." Ceramics International, 45(16), pp. 19879-19887, 2019.
• AV Anupama, V Kumaran, B Sahoo. "Synthesis of highly magnetic Mn-Zn ferrite (Mn 0.7 Zn 0.3 Fe 2 O 4 ) ceramic powder and its use in smart magnetorheological fluid." Rheologica Acta, 58(5), pp. 273-280, 2019.
• AV Anupama, HK Choudhary, R Kumar, V Kumaran, B Sahoo. "Steady-shear response of magnetorheological fluid containing coral-shaped yttrium-iron-garnet particles." Materials Research Bulletin, 113, pp. 45-50, 2019.
• AV Anupama, V Kumaran, B Sahoo. "Effect of magnetic dipolar interactions and size dispersity on the origin of steady state magnetomechanical response in bidisperse Mn–Zn ferrite spherical particle based magnetorheological fluids." New Journal of Chemistry, 43(25), pp. 9969-9979, 2019.
• M Manjunatha, R Kumar, AV Anupama, VB Khopkar, R Damle, KP Ramesh, B Sahoo. "XRD, internal field-NMR and Mössbauer spectroscopy study of composition, structure and magnetic properties of iron oxide phases in iron ores." Journal of Materials Research and Technology, 8(2), pp. 2192-2200, 2019.
• LN Mahour, M Manjunatha, HK Choudhary, R Kumar, AV Anupama, R Damle, KP Ramesh, B Sahoo. "Structural and magnetic properties of Al-doped yttrium iron garnet ceramics: 57Fe internal field NMR and Mössbauer spectroscopy study." Journal of Alloys and Compounds, 773, pp. 612-622, 2019.
• R Kumar, HK Choudhary, AV Anupama, AV Menon, SP Pawar, S Bose, B Sahoo. "Nitrogen doping as a fundamental way to enhance the EMI shielding behavior of cobalt particle-embedded carbonaceous nanostructures." New Journal of Chemistry, 43, pp. 5568-5580, 2019.
• BK Das, T Das, K Parashar, SKS Parashar, R Kumar, HK Choudhary, VB Khopkar, AV Anupama, B Sahoo. "Investigation of structural, morphological and NTCR behaviour of Cu-doped ZnO nanoceramics synthesized by high energy ball milling." Materials Chemistry and Physics, 221, pp. 419-429, 2019.
• RV Kumar, AV Anupama, R Kumar, HK Choudhary, VB Khopkar, G Aravind, B Sahoo. "Cation distributions and magnetism of Al-substituted CoFe 2 O 4 -NiFe 2 O 4 solid solutions synthesized by sol-gel auto-combustion method." Ceramics International, 44(17), pp. 20708-20715, 2018.
• AV Anupama, R Kumar,V Kumaran, B Sahoo. "Application of monodisperse Fe 3 O 4 submicrospheres in magnetorheological fluids." Journal of Industrial and Engineering Chemistry, 67, pp. 347-357, 2018.
• R Kumar, AV Anupama, V Kumaran, B Sahoo. "Effect of solvents on the structure and magnetic properties of pyrolysis derived carbon globules embedded with iron/iron carbide nanoparticles and their applications in magnetorheological fluids." Nano-Structures & Nano-Objects, 16, pp. 167-173, 2018.
• AV Anupama, V Kumaran, B Sahoo. "Application of Ni-Zn ferrite powders with polydisperse spherical particles in magnetorheological fluids." Powder Technology, 338, pp. 190-196, 2018.
• AV Anupama, V Kumaran, B Sahoo. "Steady-shear magnetorheological response of fluids containing solution-combustion-synthesized Ni-Zn ferrite powder." Advanced Powder Technology, 29(9), pp. 2188-2193, 2018.
• AV Anupama, V Kumaran, B Sahoo. "Magneto-mechanical response of additive-free Fe-based magnetorheological fluids: role of particle shape and magnetic properties." Materials Research Express, 5(8), 085703, 2018.
• GP Nethala, R Tadi, AV Anupama, SL Shinde, V Veeraiah. "Correlation between structural, magnetic and spectroscopic properties of Mg substituted CoFe 2 O 4." Materials Science-Poland, 36(2), pp. 310-319, 2018.
• HK Choudhary, R Kumar, AV Anupama, B Sahoo. "Effect of annealing temperature on the structural and magnetic properties of Ba-Pb-hexaferrite powders synthesized by sol-gel auto-combustion method." Ceramics International, 44(8), pp. 8877-8889, 2018.
• HK Choudhary, R Kumar, SP Pawar, AV Anupama, S Bose, B Sahoo. "Effect of Coral-Shaped Yttrium Iron Garnet Particles on the EMI Shielding Behaviour of Yttrium Iron Garnet-Polyaniline-Wax Composites." ChemistrySelect, 3(7), pp. 2120-2130, 2018.
• AV Anupama, VB Khopkar, V Kumaran, B Sahoo. "Magnetic field dependent steady-state shear response of Fe 3 O 4 micro-octahedron based magnetorheological fluids." Physical Chemistry Chemical Physics, 20(30), pp. 20247-20256, 2018.
• AV Anupama, V Kumaran, B Sahoo. "Magnetorheological fluids containing rod-shaped lithium–zinc ferrite particles: the steady-state shear response." Soft Matter, 14(26), pp. 5407-5419, 2018.
• AV Anupama, R Kumar, HK Choudhary, B Sahoo. "Synthesis of coral-shaped yttrium-aluminium-iron garnets by solution-combustion method." Ceramics International, 44(3), pp. 3024-3031, 2018.
• AV Anupama, R Kumar, HK Choudhary, B Sahoo. "Synthesis of coral-shaped yttrium-aluminium-iron garnets by solution-combustion method (vol 44, pg 3024, 2018)." Ceramics International, 44(14), p. 17575, 2018.
• AV Anupama, M Manjunath, V Rathod, VM Jali, R Damle, KP Ramesh, B Sahoo. "57 Fe internal field nuclear magnetic resonance and Mössbauer spectroscopy study of Li-Zn ferrites." Journal of Magnetic Resonance, 286, pp. 68-77, 2018.
• S Pramanik, K Suresh, AV Anupama, B Sahoo, S Suwas. "Strengthening mechanisms in Fe-Al based ferritic low density steels." Materials Science & Engineering A, 712, pp. 574-584, 2018.
• R Kumar, R Rajendiran, HK Choudhary, GM NaveenKumar, B Balaiah, AV Anupama, B Sahoo. "Role of pyrolysis reaction-temperature and heating-rate in growth and morphology of carbon nanostructures." Nano-Structures & Nano-Objects, 12, pp. 229-238, 2017.
• AV Anupama, V Rathod, VM Jali, B Sahoo. "Composition dependent elastic and thermal properties of Li-Zn ferrites." Journal of Alloys and Compounds, 728, pp. 1091-1100, 2017.
• T Das, BK Das, K Parashar, R Kumar, HK Choudhary, AV Anupama, B Sahoo. "Effect of Sr-doping on sintering ability, morphology, structure, photocatalytic activity and ac-conductivity of ZnO ceramics." Journal of Materials Science: Materials in Electronics, 28(18), pp. 13587-13595, 2017.
• V Rathod, AV Anupama, R Vijaya Kumar, VM Jali, B Sahoo Correlated vibrations of the tetrahedral and octahedral complexes and splitting of the absorption bands in FTIR spectra of Li-Zn ferrites Vibrational Spectroscopy 92, 267-272 (2017)
• V Rathod, AV Anupama, VM Jali, VA Hiremath, B Sahoo Combustion synthesis, structure and magnetic properties of Li-Zn ferrite ceramic powders Ceramics International 43 (16), 14431-14440 (2017)
• JV Angadi, AV Anupama, R Kumar, HK Choudhary, S Matteppanavar, B Sahoo Composition dependent structural and morphological modifications in nanocrystalline Mn-Zn ferrites induced by high energy gamma-irradiation Materials Chemistry and Physics 199, 313-321 (2017)
• AV Anupama, W Keune, B Sahoo Thermally induced phase transformation in multi-phase iron oxide nanoparticles on vacuum annealing Journal of Magnetism and Magnetic Materials 439, 156-166 (2017)
• S Matteppanavar, I Shivaraja, S Rayaprol, B Angadi, B Sahoo Evidence for Room-Temperature Weak Ferromagnetic and Ferroelectric Ordering in Magnetoelectric Pb(Fe0.634W0.266Nb0.1)O3 Ceramic Journal of Superconductivity and Novel Magnetism 30 (5), 1317-1325 (2017)
• SV Bhandare, R Kumar, AV Anupama, HK Choudhary, VM Jali, B Sahoo Annealing temperature dependent structural and magnetic properties of MnFe2O4 nanoparticles grown by sol-gel auto-combustion method Journal of Magnetism and Magnetic Materials 433, 29-34 (2017)
• VJ Angadi, AV Anupama, HK Choudhary, R Kumar, HM Somashekarappa, B Sahoo Mechanism of γ-irradiation induced phase transformations in nanocrystalline Mn0.5Zn0.5Fe2O4 ceramics Journal of Solid State Chemistry 246, 119-124 (2017)
• Harish K. Choudhary, Shital P. Pawar, Rajeev Kumar, A. V. Anupama, B Sahoo Mechanistic Insight into the Critical Concentration of Barium Hexaferrite and the Conductive Polymeric Phase with Respect to Synergistically Electromagnetic Interfererence (EMI) shielding ChemistrySelect 2 (1), 830-841 (2017)
• VJ Angadi, AV Anupama, R Kumar, HM Somashekarappa, B Sahoo Dose dependent modifications in structural and magnetic properties of γ-irradiated nanocrystalline Mn0.5Zn0.5Fe2O4 ceramics Ceramics International 43 (1), 523-526 (2017)
• VJ Angadi, AV Anupama, R Kumar, HM Somashekarappa, K Praveena, B Sahoo Evidence of structural damage in Sm and Gd co-doped Mn–Zn ferrite ceramics due to high-energy gamma irradiation Ceramics International 42 (14), 15933-15939 (2016)
• VJ Angadi, AV Anupama, R Kumar, S Matteppanavar, B Rudraswamy, B Sahoo Observation of enhanced magnetic pinning in Sm³⁺ substituted nanocrystalline Mn-Zn ferrites prepared by propellant chemistry route Journal of Alloys and Compounds 682, 263-274 (2016)
• S Matteppanavar, S Rayaprol, B Angadi, B Sahoo Composition dependent room temperature structure, electric and magnetic properties in magnetoelectric Pb(Fe_1/2Nb_1/2)O₃ - Pb(Fe_2/3W_1/3)O₃ solid-solutions Journal of Alloys and Compounds 677, 27-37 (2016)
• S Madolappa, AV Anupama, PW Jaschin, KBR Varma, B Sahoo Magnetic and ferroelectric characteristics of Gd³⁺ and Ti⁴⁺ co-doped BiFeO₃ ceramics Bulletin of Materials Science 39 (2), 593-601 (2016)
• HK Choudhary, AV Anupama, R Kumar, ME Panzi, S Matteppanavar, B Sahoo Observation of phase transformations in cement during hydration Construction and Building Materials 101, 122-129 (2015)
• S Matteppanavar, S Rayaprol, AV Anupama, B Angadi, B Sahoo Origin of room temperature weak-ferromagnetism in antiferromagnetic Pb(Fe_2/3W_1/3)O₃ ceramic Ceramics International 41 (9), 11680-11686 (2015)
• S Matteppanavar, S Rayaprol, AV Anupama, B Sahoo, B Angadi On the room temperature ferromagnetic and ferroelectric properties of Pb(Fe_1/2Nb_1/2)O₃ Journal of Superconductivity and Novel Magnetism 28 (8), 2465-2472 (2015)
• S Matteppanavar, S Rayaprol, AV Anupama, B Sahoo, B Angadi Neutron diffraction, Mössbauer effect and electron paramagnetic resonance studies on multiferroic Pb(Fe_2/3W_1/3)O₃ AIP Conference Proceedings, 1665, 140012 (2015)
• SK Boda, AV Anupama, B Basu, B Sahoo Structural and Magnetic Phase Transformations of Hydroxyapatite-Magnetite Composites under Inert and Ambient Sintering Atmospheres The Journal of Physical Chemistry C 119 (12), 6539-6555 (2015)

Research Supervisor to

• Co-guide to an external PhD student