INSTITUTIONAL DIGITAL REPOSITORY

Browsing by Author "Gupta, G."

Browsing by Author "Gupta, G."

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  • Boosting sensing performance of vacancy-containing vertically aligned MOS2 using rGO particles 
    Goel, N.; Agrawal, A.V.; Raliya, R.; Rajamani, S.; Gupta, G.; Biswas, P.; Kumar, M.; Kumar; Kumar, M.; Kumar, M. (2019-11-25)
    A design of an advanced sensing material, such as MoS2, is imperative to enhance the sensing performance of a sensor. Because their usage alone for developing a practical sensor is impeditive owing to low gas response ...
  • A cryogenic front-end preamplifier operating at 120 K for bolometric detector 
    Reza, A.; Vatsa, V.; Pose, M.S.; Mazumdar, A.; Garai, A.; Krishnamoorthy, H.; Gupta, G.; Nanal, V.; Pillay, R.G.; Shrivastava, A. (2020-03-16)
    In this paper, the design and test results of a front-end cryogenic amplifier for a bolometer detector are presented. The amplifier is implemented with two low-noise Si JFETs, where the first FET is configured as a source ...
  • Fusion of the borromean nucleus Be9 with a 197Au target at near-barrier energies 
    Kaushik, M.; Gupta, G.; Thakur, S.; Krishnamoorthy, H.; Singh, P. P.; Parkar, V. V.; Nanal, V.; Shrivastava, A.; Pillay, R. G.; Mahata, K.; Ramachandran, K.; Pal, S.; Palshetkar, C. S.; Pandit, S. K. (2021-06-15)
    To probe the role of the intrinsic structure of the projectile on subbarrier fusion, measurement of fusion cross sections has been carried out in a 9 Be + 197Au system in the energy range Ec.m./VB ≈ 0.82 to 1.16 ...
  • Investigating neutron transfer in the Be 9 + Au 197 system 
    Kaushik, M.; Pandit, S. K.; Parkar, V. V.; Gupta, G.; Thakur, S.; Nanal, V.; Krishnamoorthy, H.; Shrivastava, A.; Palshetkar, C. S.; Mahata, K.; Ramachandran, K.; Pal, S.; Pillay, R. G.; Singh, P. P. (2021-10-18)
    In this work n-transfer and incomplete fusion cross sections for the 9 Be + 197Au system are reported over a wide energy range, Ec.m. ≈ 29-45 MeV. The experiment was carried out using the activation technique and off-line ...
  • Investigating the role of oxygen and related defects in the self-biased and moderate-biased performance of β-Ga2O3 solar-blind photodetectors 
    Arora, K.; Kumar, N.; Vashishtha, P.; Gupta, G.; Kumar, M. (2021-07-21)
    High-performance, low-cost, self-powered deep-ultraviolet photodetectors (DUV-PDs) are essential for military and civil applications. β-Ga2O3 stands alone among all the solar-blind materials in its suitability for use ...
  • Ln2Te6O15 (Ln = La, Gd, and Eu) “Anti-glass” phase-assisted lanthanum-tellurite transparent glass–ceramics: Eu3+ emission and local site symmetry analysis 
    Patra, P.; Kumar, R.; Jayanthi, K.; Fabian, M.; Gupta, G.; Khan, S.; Chakraborty, S.; Das, S.; Allu, A.R.; Annapurna, K. (2022-09-06)
    The presence of lanthanide-tellurite “anti-glass” nanocrystalline phases not only affects the transparency in glass–ceramics (GCs) but also influences the emission of a dopant ion. Therefore, a methodical understanding of ...
  • Low-voltage, self-powered and broadband photodetector with Ohmic, transparent and cost-effective AZO electrodes on vertical aligned MoS2 flakes 
    Agrawal, A. V.; Kumar, N.; Kumar, D.; Jain, S. K.; Kumar, P.; Kumar, M.; Gupta, G. (2022-04-23)
    The transparent Ohmic electrodes are the extreme necessity to develop cutting-edge broadband photodetectors. Conventional metal electrodes reflect incident light and diminish overall performance of photodetector. Here, we ...
  • Neutron transfer in 9Be + 159Tb system 
    Kaushik, M.; Gupta, G.; Parkar, V.V.; Pandit, S.K.; Thakur, S.; Nanal, V.; Shrivastava, A.; Pillay, R.G.; Krishnamoorthy, H.; Mahata, K.; Pal, S.; Palshetkar, C.S.; Ramachandran, K.; Singh, P.P. (2022-08-18)
    One neutron stripping cross sections (σ-1n) are measured in 9Be+159Tb system in the energy range Ecm/VB∼ 0.79–1.24 using offline gamma counting technique. The CRC model calculations including the ground state and the 2+ ...
  • New limit for the half-life of double beta decay of 94Zr to the first excited state of 94Mo 
    Dokania, N.; Nanal, V.; Gupta, G.; Pal, S.; Pillay, R.G.; Rath, P.K.; Tretyak, V.I.; Garai, A.; Krishnamoorthy, H.; Ghosh, C.; Raina, P.K.; Bhushan, K.G. (2017-06-19)
    Neutrinoless Double Beta Decay is a phenomenon of fundamental interest in particle physics. The decay rates of double beta decay transitions to the excited states can provide input for Nuclear Transition Matrix Element ...
  • Phase dependent radiation hardness and performance analysis of amorphous and polycrystalline Ga2O3 solar-blind photodetector against swift heavy ion irradiation 
    Kaur, D.; Vashishtha, P.; Khan, S.A.; Kulriya, P.K.; Gupta, G.; Kumar, M. (2020-12-16)
    Solar-blind photodetectors are critically important for civil and military applications. Several of these applications, such as space exploration and nuclear energy infrastructure, demand the use of a photodetector under ...
  • SSBC 2020: sclera segmentation benchmarking competition in the mobile environment 
    Vitek, M.; Das, A.; Pourcenoux, Y.; Missler, A.; Paumier, C.; Das, S.; Ghosh, I. D.; Lucio, D. R.; Zanlorensi Jr, L. A.; Menotti, D.; Boutros, F.; Damer, N.; Grebe, J. H.; Kuijper, A.; Hu, J.; He, Y.; Wang, C.; Liu, H.; Wang, Y.; Sun, Z.; Osorio-Roig, D.; Rathgeb, C.; Busch, C.; Tapia, J.; Valenzuela, A.; Zampoukis, G.; Tsochatzidis, L.; Pratikakis, I.; Nathan, S.; Suganya, R.; Mehta, V.; Dhall, A.; Raja, K.; Gupta, G.; Khiarak, J. N.; Akbari-Shahper, M.; Jaryani, F.; Asgari-Chenaghlu, M.; Vyas, R.; Dakshit, S.; Peer, P.; Pal, U.; Struc, V. (2021-06-11)
    The paper presents a summary of the 2020 Sclera Segmentation Benchmarking Competition (SSBC), the 7th in the series of group benchmarking efforts centred around the problem of sclera segmentation. Different from previous ...
  • Study of the effect of external noise pickups on the performance of a cryogenic bolometer 
    Garai, A.; Reza, A.; Mazumdar, A.; Krishnamoorthy, H.; Gupta, G.; Pose, M.S.; Mallikarjunachary, S.; Nanal, V.; Pillay, R.G.; Ramakrishnan, S. (2019-12-11)
    This paper reports the detailed noise characterization, investigation of various noise sources, and its mitigation to improve the performance of a cryogenic bolometer detector for the TIN.TIN experiment. The noise spectrum ...
  • Study of γ -ray background from cosmic muon induced neutrons 
    Krishnamoorthy, H.; Gupta, G.; Garai, A.; Mazumdar, A.; Reza, A.; Pal, S.; Pethuraj, S.; Nanal, V.; Shrivastava, A.; Pillay, R. G. (2021-08-20)
    The contribution to γ-ray background from secondary neutrons, originating from cosmic muon interactions in Pb-Cu composite shield, has been measured via (n, n γ) reactions in Cu and Ge. The minimization of background ...
  • Study of γ -ray background from cosmic muon induced neutrons 
    Krishnamoorthy, H.; Gupta, G.; Garai, A.; Mazumdar, A.; Reza, A.; Pethuraj, S.; Pal, S.; Nanal, V.; Shrivastava, A.; Pillay, R.G. (2022-08-24)
    The contribution to γ-ray background from secondary neutrons, originating from cosmic muon interactions in Pb-Cu composite shield, has been measured via (n , n γ) reactions in Cu and Ge. The minimization of background plays ...
  • Surface nanopatterning of amorphous gallium oxide thin film for enhanced solar-blind photodetection 
    Kaur, D.; Rakhi; Vashishtha, P.; Gupta, G.; Sarkar, S.; Kumar, M. (2022-07-17)
    Gallium oxide is an ultra-wide band gap semiconductor (E g > 4.4 eV), best suited intrinsically for the fabrication of solar-blind photodetectors. Apart from its crystalline phases, amorphous Ga2O3 based solar-blind ...
  • Systematic Studies of a Sapphire Bolometer with Phonon Pulses in the Temperature Range of 10–100mK 
    Garai, A.; Mazumdar, A.; Reza, A.; Krishnmoorthy, H.; Gupta, G.; Nanal, V.; Pillay, R.G.; Ramakrishnan, S. (2020-12-22)
    Systematic studies with a sapphire bolometer test setup, made with indigenously made NTD Ge sensor, are carried out. A C++ and ROOT-based pulse analysis program implementing Savitzky–Golay filtering technique for analyzing ...