INSTITUTIONAL DIGITAL REPOSITORY

Browsing Research Publications by Author "Kumar, R."

Browsing Research Publications by Author "Kumar, R."

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  • Dependence of low energy incomplete fusion on projectile’s α-Q-value 
    Yadav, A.; Singh, P.P.; Kumar, P.; Shuaib, M.; Sharma, V.R.; Bala, I.; Singh, D.P.; Gupta, S.; Gupta, U.; Sharma, M.K.; Kumar, R.; Muralithar, S.; Singh, R.P.; Singh, B.P.; Prasad, R. (2016-11-19)
    An attempt has been made to understand the effect of entrance-channel parameters on low-energy incomplete fusion and a strong projectile dependence in terms of projectile’s α-Q-value has been observed. In the present ...
  • Design and performance benchmarking of dual gate flexible bilayer graphene FETs 
    Pathania, S.; Gupta, P.; Kumar, R.; Kumar, S. (2022-08-25)
    It has reached a period when the search beyond silicon for utilizing it in a transistor has increased genuine significance. Graphene is described as a crystalline allotrope of carbon with two-dimensional properties arranged ...
  • Design, modeling and analysis of Cu-Carbon hybrid interconnects 
    Kumari, B.; Kumar, R.; Sharma, R.; Sahoo, M. (2021-12-07)
    In this work, a new interconnect structure is proposed for the first time where copper-carbon nanotube composite interconnect is encapsulated by graphene barrier layers named here as copper-carbon (Cu-carbon) hybrid ...
  • A device to reduce vasovagal syncope in blood donors 
    Kumar, R.; Sahani, A.K. (2022-08-26)
    Vasovagal Syncope (VVS), or the transient loss of consciousness is the most widely recognized reason for syncope. (VVS), is a typical dysfunction of the autonomic nervous system. There are various factors which can influence ...
  • Disease detection in apple leaves using deep convolutional neural network 
    Bansal, P.; Kumar, R.; Kumar, S. (2021-11-24)
    The automatic detection of diseases in plants is necessary, as it reduces the tedious work of monitoring large farms and it will detect the disease at an early stage of its occurrence to minimize further degradation of ...
  • Disentangling complete and incomplete fusion events in 12C +169Tm reaction by spin-distribution measurements 
    Sood, A.; Thakur, S.; Sharma, A.; Sharma, V. R.; Yadav, A.; Sharma, M. K.; Singh, B. P.; Kumar, R.; Bhowmik, R. K.; Singh, P. P. (2021-07-25)
    The spin-distributions of different reaction products populated via xn and α/2αxn channels in 12C + 169Tm system have been measured at Elab ≈ 6, 7 and 7.5 MeV A−1 to disentangle complete and incomplete fusion events. ...
  • Edge configurational effect on band gaps in graphene nanoribbons 
    Deepika; Kumar, T.J.D.; Shukla, A.; Kumar, R. (2016-11-18)
    In this article, we put forward a resolution to the prolonged ambiguity in energy band gaps between theory and experiments of fabricated graphene nanoribbons (GNRs). Band structure calculations using density functional ...
  • Effect of edge defects on band structure of zigzag graphene nanoribbons 
    Wadhwa, P.; Kumar, S.; Kumar, T.J.D.; Shukla, A.; Kumar, R. (2018-10-09)
    In this article, we report band structure studies of zigzag graphene nanoribbons (ZGNRs) on introducing defects (sp3 hybridized carbon atoms) in different concentrations at edges by varying the ratio of sp3 to sp2 hybridized ...
  • Effect of non- α -cluster projectile on incomplete-fusion dynamics: experimental study of the N 14 + Ta 181 system 
    Asnain, M. S.; Shuaib, M.; Majeed, I.; Sharma, M. K.; Sharma, V. R.; Yadav, A.; Singh, D. P.; Singh, P. P.; Gupta, U.; Sahoo, R. N.; Sood, A.; Kaushik, M.; Kumar, S.; Kumar, R.; Singh, B. P.; Prasad, R. (2021-11-15)
    In order to study incomplete fusion (ICF) reaction dynamics, the present work manifests the role of a non-αcluster 14N projectile on 181Ta target at energies ≈4–7 MeV/nucleon using the offline γ -ray spectroscopy. ...
  • Effect of projectile on incomplete fusion reactions at low energies 
    Sharma, V.R.; Shuaib; Yadav, A.; Singh, P.P.; Sharma, M.K.; Kumar, R.; Singh, D.P.; Singh, B.P.; Muralithar, S.; Singh, R.P.; Bhowmik, R.K.; Prasad, R. (2017-12-21)
    Present work deals with the experimental studies of incomplete fusion reaction dynamics at energies as low as ≈ 4 - 7 MeV/A. Excitation functions populated via complete fusion and/or incomplete fusion processes in ...
  • Effects of projectile break-up on fusion cross sections at energies near and above the Coulomb barrier: a case of incomplete fusion 
    Shuaib; Sharma, V.R.; Yadav, A.; Sharma, M.K.; Singh, P.P.; Singh, D.P.; Kumar, R.; Singh, R.P.; Muralithar, S.; Singh, B.P.; Prasad, R. (2018-07-26)
    In the present work, the experimental studies of projectile break-up (incomplete fusion) at energies ≈4-7 MeV/nucleon have been performed by using offline γ-ray spectroscopy. The excitation functions of reaction residues ...
  • Electrochemical generation of a nonstabilized azomethine ylide: access to substituted N-Heterocycles 
    Kumar, R.; Banerjee, P. (2021-12-01)
    Azomethine ylides are fascinating 1,3-dipoles for [3 + 2] cycloaddition reactions toward the construction of Nheterocycles. Herein, an efficient and environmentally benign electrochemical approach for the generation of ...
  • Electrochemical generation of a nonstabilized azomethine ylide: Access to substituted N-heterocycles 
    Kumar, R.; Banerjee, P. (2022-08-18)
    Azomethine ylides are fascinating 1,3-dipoles for [3 + 2] cycloaddition reactions toward the construction ofN-heterocycles. Herein, an efficient and environmentally benign electrochemical approach for the generation of a ...
  • Electrochemical rearrangement protocols towards the construction of diverse molecular frameworks 
    Saha, D.; Taily, I. M.; Kumar, R.; Banerjee, P. (2021-07-22)
    Rearrangement reactions constitute a critical facet of synthetic organic chemistry and demonstrate an attractive way to take advantage of existing structures to access various important molecular frameworks. Electroorganic ...
  • Electrochemical Synthesis and Reactivity of Three-Membered Strained Carbo- and Heterocycles 
    Kumar, R.; Banerjee, N.; Kumar, P.; Banerjee, P. (2024-05-20)
    Three-membered carbocyclic and heterocyclic ring structures are versatile synthetic building blocks in organic synthesis with biological importance. Moreover, the inherent strain of these three-membered rings leads to ...
  • Electronic properties of anodic bonded graphene 
    Deepika; Balan, A.; Shukla, A.; Walter, E.; Kumar, R. (2021-11-13)
    Here, we report electronic properties of graphene field-effect transistor in a magnetic field of 9.0 tesla. Raman spectroscopy on graphene sample prepared by anodic bonding method shows it to be of the highest quality. ...
  • Energy controlled edge formation for graphene nano ribbons 
    Deepika; Kumar, T.J.Dhilip; Kumar, R. (2016-11-23)
    On the basis of first principles calculations, we report energy estimated to cut a graphene sheet into nanoribbons of armchair and zigzag configurations. Our calculations show that the energy required to cut a graphene ...
  • Enhanced adsorption sites in monolayer MoS2 pyramid structures for highly sensitive and fast hydrogen sensor 
    Agrawal, A. V.; Kumar, R.; Yang, G.; Bao, J.; Kumar, M.; Kumar, M. (2021-06-15)
    Here, we present a highly sensitive and fast hydrogen (H2) sensor for 1% H2, well below the critical limit of explosion ignite in air, in a temperature range of 28e150 C by using monolayer MoS2 pyramid structures with ...
  • Entrance channel effect on incomplete fusion 
    Sahoo, R.N.; Kaushik, M.; Sood, A.; Kumar, P.; Sharma, V.R.; Yadav, A.; Shuaib, M.; Singh, D.P.; Singh, P.P.; Gupta, U.; Sharma, M.K.; Kumar, R.; Singh, B.P.; Aydin, S.; Wollersheim, H.J.; Prasad, R. (2019-01-01)
    In the present work, the onset and strength of incomplete fusion were studied in terms of various entrance channel parameters. Excitation functions for individual evaporation residues were measured in the 12C+169Tm system ...
  • Entrance channel effects on fission fragment mass distribution in 12 C+ 169 Tm system 
    Sood, A.; Kumar, P.; Sahoo, R. N.; Singh, P. P.; Yadav, A.; Sharma, V. R.; Sharma, M. K.; Singh, D. P.; Gupta, U.; Aydin, S.; Kumar, R.; Singh, B. P.; Prasad, R. (2021-08-25)
    With an aim to study different aspects of heavy-ion induced reactions following the evolution of compound nucleus formed via complete and/or incomplete fusion, the production cross sections of evaporation residues and ...

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