G. Umapathy

Most-cited papers

1. Averting biodiversity collapse in tropical forest protected areas

   W. Laurance, D. C. Useche, J. Rendeiro, Margareta Kalka +212 more

   2012Nature1,208 citations Open access

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2. AMS and upcoming geochronology facility at Inter University Accelerator Centre (IUAC), New Delhi, India

   Rajveer Sharma, G. Umapathy, Pankaj Kumar, S. Ojha +4 more

   2019Nuclear Instruments and Methods in Physics Reseach B93 citations

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3. Semen characteristics, cryopreservation, and successful artificial insemination in the Blue rock pigeon (Columba livia).

   S. D. Sontakke, G. Umapathy, V. Sivaram, S. Kholkute +1 more

   2004Theriogenology74 citations

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4. Reversible hydrogen control of antiferromagnetic anisotropy in α-Fe2O3

   H. Jani, Jiajun Linghu, S. Hooda, R. Chopdekar +18 more

   2021Nature Communications57 citations Open access

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5. Mg-doped ZnO nanostructures for efficient Organic Light Emitting Diode

   Payal Manzhi, R. Kumari, M. Alam, G. Umapathy +4 more

   2019Vacuum44 citations

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6. Fabrication of thin targets for nuclear reaction studies at IUAC

   T. Banerjee, S. Abhilash, D. Kabiraj, S. Ojha +8 more

   201734 citations

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7. Raman scattering investigations on disorder and recovery induced by low and high energy ion irradiation on 3C-SiC

   N. Sreelakshmi, S. Amirthapandian, G. Umapathy, C. David +3 more

   2021Materials Science and Engineering: B29 citations

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8. Enhanced electrocatalytic activity of ion implanted rGO/PEDOT:PSS hybrid nanocomposites towards methanol electro-oxidation in direct methanol fuel cells

   Bhagyalakhi Baruah, Ashok Kumar, G. Umapathy, S. Ojha

   2019Journal of Electroanalytical Chemistry28 citations

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9. Structural, dielectric and AC conductivity studies of Zn substituted nickel ferrites prepared by combustion technique

   G. Umapathy, G. Senguttuvan, L. Berchmans, V. Sivakumar

   2016Journal of materials science. Materials in electronics27 citations

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10. Performance optimization of transparent and conductive Zn1-xAlxO thin films for opto-electronic devices: An experimental & first-principles investigation

    Nishtha Saxena, Payal Manzhi, R. Choudhary, S. Upadhyay +5 more

    202024 citations

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11. Effects of Energetic Ion Irradiation on β-Ga2O3 Thin Films

    Saurabh Yadav, S. Dash, A. Patra, G. Umapathy +4 more

    202022 citations Open access

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12. Fabrication of thin 140,142Ce target foils for study of nuclear reaction dynamics

    Rohan Biswas, A. R, Himanshi Gupta, G. Umapathy +2 more

    2021Vacuum21 citations Open access

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13. Influence of cerium substitution on structural, magnetic and dielectric properties of nanocrystalline Ni–Zn ferrites synthesized by combustion method

    G. Umapathy, G. Senguttuvan, L. Berchmans, V. Sivakumar +1 more

    2017Journal of materials science. Materials in electronics21 citations

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14. Fabrication and characterization of thin targets of nickel (61,62Ni) isotopes by physical vapour deposition technique for nuclear reaction studies

    N. K. Deb, K. Kalita, S. Abhilash, P. Giri +4 more

    2019Vacuum20 citations

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15. Role of Ni substitution on structural, magnetic and electronic properties of epitaxial CoCr2O4 spinel thin films

    P. Mohanty, S. Chowdhury, R. Choudhary, Anil Gome +7 more

    2019Nanotechnology17 citations

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16. A Facile Liquid‐Phase, Solvent‐Dependent Exfoliation of Large Scale MoS 2 Nanosheets and Study of Their Photoconductive Behaviour for UV‐Photodetector Application

    Rohit Sharma, Ashish Kumar, R. Kumari, Preeti Garg +5 more

    2021ChemistrySelect15 citations

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17. Self-supporting thin tin targets fabricated by ultra-high vacuum evaporation for heavy-ion induced reactions

    A. Sood, G. Umapathy, Arzoo Sharma, S. Abhilash +4 more

    202015 citations

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18. On the spectroscopic examination of printed documents by using a field emission scanning electron microscope with energy-dispersive X-ray spectroscopy (FE-SEM-EDS) and chemometric methods: application in forensic science

    N. Verma, Vishal Sharma, Raj Kumar, R. Sharma +4 more

    2019Analytical and Bioanalytical Chemistry14 citations

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19. Fabrication of thin 130Te target foils for sub-barrier fusion studies

    R. Sahoo, G. Jyothi, A. Sood, S. Abhilash +5 more

    2019Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment13 citations

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20. Anesthesia induced by administration of xylazine hydrochloride alone or in combination with ketamine hydrochloride and reversal by administration of yohimbine hydrochloride in captive Axis deer (Axis axis).

    S. D. Sontakke, Anuradha P. Reddy, G. Umapathy, S. Shivaji

    2007American Journal of Veterinary Research12 citations

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21. Fabrication and characterization of targets of oxidizing materials for heavy ion nuclear reaction experiments

    M. Hosamani, S. Abhilash, Sunil Ojha, G. Umapathy +2 more

    2019Journal of Instrumentation11 citations Open access

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22. Material engineering to fabricate rare earth erbium thin films for exploring nuclear energy sources

    A. Banerjee, S. Abhilash, G. Umapathy, D. Kabiraj +2 more

    201811 citations

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23. Carbon-backed thin tin (116Sn) isotope target fabrication by physical vapor deposition technique

    N. K. Deb, K. Kalita, P. Giri, S. Abhilash +6 more

    2020Journal of Radioanalytical and Nuclear Chemistry10 citations

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24. Fabrication of thin targets of 160 Gd by thermal evaporation technique

    S. Abhilash, D. Kabiraj, K. Golda, S. Chopra +7 more

    201710 citations

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25. Combustion synthesis of nanocrystalline nickel ferrite using hexamine as a fuel

    R. Parthasarathi, L. Berchmans, R. Preetha, G. Senguttuvan +1 more

    201110 citations

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26. Self-assembled nano-dots structures on Si(111) surfaces by oblique angle sputter-deposition

    Divya Gupta, Rimpi Kumari, G. Umapathy, R. Singhal +3 more

    2019Nanotechnology9 citations Open access

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27. Tolazoline antagonises ketamine–xylazine anaesthesia in an endangered Black buck (Antilope cervicapra)

    S. D. Sontakke, G. Umapathy, M. Patil, S. Shivaji

    2009Zeitschrift f\ ur Jagdwissenschaft9 citations

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28. Reaction-Diffusion-Driven Stoichiometric Gradient in Coevaporated Superconducting NiBi3 Thin Films

    Bidyadhar Das, Tapas Senapati, A. Yadav, G. Umapathy +3 more

    2023Crystal Growth & Design8 citations

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29. Investigation on Combustion Synthesis of Nanocyrstalline Nickel Ferrite Using Sodium Azide as a Potential Fuel

    G. Umapathy, G. Senguttuvan, L. Berchmans

    20158 citations

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30. Fabrication and characterization of thin <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" id="d1e708" altimg="si7.svg"><mml:msup><mml:mrow /><mml:mrow><mml:mn>156</mml:mn><mml:mo>,</mml:mo><mml:mn>158</mml:mn></mml:mrow></mml:msup></mml:math>Gd targets for nuclear fusion rea

    R. Prajapat, M. Maiti, A. R, G. Umapathy +4 more

    2022Vacuum7 citations

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31. Significant role of substrate temperature on the morphology, electronic structure and thermoelectric properties of SrTiO3 films deposited by pulsed laser deposition

    Anuradha Bhogra, Anha Masarrat, Dilruba Hasina, R. Meena +6 more

    20217 citations

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32. Nano-scale depth-varying recrystallization of oblique Ar+ sputtered Si(111) layers

    Divya Gupta, G. Umapathy, R. Singhal, S. Ojha +1 more

    2020Scientific Reports7 citations Open access

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33. Ripple patterns over oblique Ar+ sputtered SiC/Si(1 1 1) surfaces: Role of preferential sputtering

    Divya Gupta, G. Umapathy, R. Singhal, S. Ojha +1 more

    2022Materials letters (General ed.)6 citations

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34. Synthesis of thin isotopic samarium targets for elastic cross-section measurements

    K. Rani, A. R, G. Umapathy, D. Kabiraj +1 more

    20206 citations

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35. Recovery of ion-damaged 4H-SiC under thermal and ion beam-induced ultrafast thermal spike-assisted annealing

    A. Chakravorty, Chloe Dufour, Budhi Singh, Hemant Jatav +3 more

    2021Journal of Applied Physics5 citations

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36. Effects of varying ion flux on high vacuum evaporated erbium thin films

    A. Banerjee, G. Umapathy, S. Abhilash, S. Ojha +3 more

    2019Vacuum5 citations

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37. In vivo antibacterial effect of chitosan against Staphylococcus aureus and Bacillus thuringiensis and its impact on economic parameters of silkworm, Bombyx mori. L.

    P. Pachiappan, S. Prabhu, Mahalingam Ca, A. Thangamalar +1 more

    20185 citations

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38. Ionization-induced annealing of defects in 3C–SiC: Ion channeling and positron annihilation spectroscopy investigations

    N. Sreelakshmi, G. Umapathy, S. Abhaya, C. David +2 more

    2023Journal of Materials Research4 citations

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39. Optical and structural modifications of copper nanoparticles in a matrix of fullerene C60 under 220 keV Ag ion irradiation

    Vikesh Chaudhary, R. Vishnoi, A. Salim, Jyotsna Bhardwaj +10 more

    2022Applied Surface Science Advances4 citations Open access

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40. Fabrication of self supporting 64Zn targets for fusion-evaporation studies

    H. Arora, S. Abhilash, G. Umapathy, D. Kabiraj +4 more

    20214 citations

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41. Signature of strong localization and crossover conduction processes in doped ZnO thin films: synergetic effect of doping fraction and dense electronic excitations

    Himanshi Gupta, Jitendra Singh, G. Umapathy, V. Soni +3 more

    2021Journal of Physics: Condensed Matter4 citations

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42. Effect on electronic, optical and transport properties of Cu2O and Au doped Cu2O: A DFT investigation

    Ajay Kumar, G. Umapathy, Deobrat Singh, V. Harish +1 more

    2019International Conference Advances Basic Sciences4 citations

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43. Virtual gap states induced modifications in charge neutrality level in cadmium oxide thin films

    Arkaprava Das, S. Gautam, G. Umapathy, S. Ojha +1 more

    20174 citations

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44. Fabrication and characterization of self supporting 48Ti thin films

    H. Arora, A. R, G. Umapathy, Asutosh Kapil +1 more

    2022Vacuum3 citations

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45. Fabrication and characterization of thin 142,150Nd targets for the study of dynamics of heavy-ion induced reactions

    S. Biswas, S. Abhilash, D. Kabiraj, Rohan Biswas +3 more

    2021Vacuum3 citations

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46. Fabrication of the gold (Au) backedT130etargets for in-beam gamma-ray spectroscopy

    Neelam, Suresh Kumar, S. Abhilash, G. Umapathy +2 more

    20193 citations

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47. Engineering strain to achieve stable 92Zr targets on carbon backing

    S. Abhilash, G. Umapathy, H. Duggal, D. Kabiraj +1 more

    20173 citations

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48. 30 keV argon beam sputtering induced tailoring of amorphous and graphite like carbon thin films for optoelectronic applications

    Divya Gupta, Gurvinder Singh, A. Salim, G. Umapathy +3 more

    2025Materials Chemistry and Physics2 citations

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49. Ripple pattern formation on silicon carbide surfaces by low-energy ion-beam erosion

    Divya Gupta, G. Umapathy, R. Singhal, S. Aggarwal

    2023Journal of Physics, Conference Series2 citations Open access

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50. Fabrication and characterization of thin 116Cd target films for fusion measurements

    Rohan Biswas, A. R, G. Umapathy, S. Khan +1 more

    2022Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment2 citations Open access

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