FEL & Utilization Section

LIST OF PUBLICATIONS IN REFEREED JOURNALS

1. Effect of deposition pressure on the superconductivity of Ti₄₀V₆₀ alloy thin films
   Shekhar Chandra Pandey, Shilpam Sharma, R Venkatesh, Ashish Khandelwal, L. S. Sharath Chandra and M. K. Chattopadhyay
   Supercond. Sci. Technol. 39 (2026) 025008.
   
   
2. Characterization of the Infrared Free Electron Laser (IR-FEL) at RRCAT
   Sona Chandran, R. S. Saini, Shankar Lal, Tushar Dave, Bhaskar Biswas, Arvind Kumar, Umesh Kale, Saket Kumar Gupta, Shilpam Sharma, Anudeep Singh, K. K. Pant and Vinit Kumar
   Nuclear Inst. and Methods in Physics Research, 1084 (2026) 171214.
   
   
3. Growth Optimization of MoSi Thin Film and Measurement of Transport Critical Current Density of its Meander Structure
   Shekhar Chandra Pandey, Shilpam Sharma, M. K. Chattopadhyay
   Physica Status Solidi B: Basic Solid State Physics (2025) e202500289 DOI: 10.1002/pssb.202500289.
   
   
4. A novel rectangular aperture quadrupole electromagnet
   Bhaskar Biswas
   Review of Scientific Instruments 97 (2026) 013301.
   
   
5. Abrupt Raman line-shape evolution and quantifying short-range order parameter: Laser-driven nanocrystallization in amorphous germanium
   S. Singh, D. K. Rath, S. Kumar, N. Ahlawat, Shilpam Sharma, Anudeep Singh, Shekhar Chandra Pandey, P. S. Rout, L. Bansal, B. Sahu, S. Srivastava, S. K. Chondath, M. K. Chattopadhyay and R. Kumar
   J. Phys. Chem. C 129 (2025) 13329.
   
   
6. Anomalous magnetic response of annealed V_0.60−xSi_xTi_0.40 alloys within the superconducting phase
   Asi Khandelwal, L. S. Sharath Chandra and M. K. Chattopadhyay
   Phys. Status Solidi B: Basic Solid State Physics (2025) 2500167.
   
   
7. Sputtering current driven growth and transport characteristics of superconducting Ti₄₀V₆₀ alloy thin films
   Shekhar Chandra Pandey, Shilpam Sharma, K. K. Pandey, P. Gupta, S. Rai, R. Singh, and M. K. Chattopadhyay
   J. Appl. Phys. 137 (2025) 113902.
   
   
8. Establishment of a Free Electron Laser (FEL) based user facility for IR-THz spectroscopy at RRCAT
   M. K. Chattopadhyay, Bhaskar Biswas, Shilpam Sharma, Ashish Khandelwal, Sona Chandran, L. S. Sharath Chandra, Tushar Dave, R. S. Saini, Shankar Lal, Arvind Kumar, Umesh Kale, Saket Kumar Gupta, Ravi Kumar Pandit, Hemlata N. Sidam, Pravin Nerpagar, Ashim Chakraborty, R. K. Meena and K. K. Pant
   Current Science 128 (2025) 710.
   
   
9. Eutectic microstructure and its effect on electrical and magnetic properties of V-Ti-Si alloy superconductors
   Asi Khandelwal, L. S. Sharath Chandra, A. Sagdeo, R. Singh, M. Gangrade, R. Venkatesh and M. K. Chattopadhyay
   Materials Sci. & Engg.: B 317 (2025) 118158.
   
   
10. Orbital fluctuations and spin-orbital-lattice coupling in Bi2Fe4O9
    A. P. Roy, M. K. Chattopadhyay, R. Mittal, S. N. Achary, A. K. Tyagi, M. Duc Le, and D. Bansal
    Phys. Rev. B 111 (2025) 014310.
    
    
11. Tuning the Physical Properties of V-Ti-Ce Alloy Superconductors through Successive Cold-Working and Annealing at 650 ◦C
    Asi Khandelwal, Nida Mirza, L. S. Sharath Chandra, R. Singh, A. Sagdeo and M. K. Chattopadhyay
    J. Superconductivity and Novel Magnetism 38 (2024) 34, online access through: https://doi.org/10.1007/s10948-024-06859-7
    
    
12. Griffith's phase like behaviour in CoCrVZ (Z = Al, Ga) Heusler alloys
    Sabyasachi Paul, B. Bandyopadhyay, M. K. Chattopadhyay and K.G. Suresh
    J. Magn. Magn. Mater. 598 (2024) 172041.
    
    
13. Griffith's phase-like behavior in nearly half-metallic CoFeVAl: Theory and experiment
    B. Bandyopadhyay, J. Nag, Sabyasachi Paul, M. K. Chattopadhyay, A. Lakhani, A. Alam and K. G. Suresh
    Phys. Rev. B 109 (2024) 094433.
    
    
14. Structural role in temperature induced magnetization reversal revealed in distorted perovskite Gd_1-xY_xCrO₃
    P. Jain, S. Sharma, R. Baumbach, A. K. Yogi, I. Ishant, M. Majumder, T. Siegrist, M. K. Chattopadhyay and N. P. Lalla
    Phys. Rev. B 109 (2024) 094410.
    
    
15. Terahertz dielectric properties of Fe3O4 thin films deposited on Si (100) substrate
    Ashish Khandelwal, L. S. Sharath Chandra, Shilpam Sharma, A. Sagdeo, R. J. Choudhary and M. K. Chattopadhyay
    Semiconductor Science and Technology 39 (2024) 025009.
    
    
16. Evidence of strong orbital-selective spin-orbital-phonon coupling in CrVO₄
    A. P. Roy , Jayakrishnan SS, V. Dwij, Ashish Khandelwal, M. K. Chattopadhyay, V. Sathe, R. Mittal, P. U. Sastry, S. N. Achary, A. K. Tyagi, P. D. Babu, M. D. Le and D. Bansal
    Phys. Rev. Lett. 132 (2024) 026701.
    
    
17. Enhancement of irreversibility field and critical current density of rare earth containing V_0.60Ti_0.40 alloy superconductor by cold-working and annealing
    SK. Ramjan, Asi Khandelwal, S. Paul, L. S. Sharath Chandra, R. Singh, R. Venkatesh, K. Kumar, R. Rawat, S. Dutt, A. Sagdeo, P. Ganesh and M. K. Chattopadhyay
    J. Alloys and Compounds 976 (2024) 173321.
    
    
18. Tunable magnetoresistance driven by electronic structure in Kagome semimetal Co_1−xFe_xSn
    K. Vijay, L. S. Sharath Chandra, K. Ali, A. Sagdeo, P. Tiwari, M. K. Chattopadhyay, A. Arya and S. Banik
    Appl. Phys. Lett. 122 (2023) 233103.
    
    
19. Influence of indium and selenium co-doping on structural and thermoelectric properties of Bi₂Te₃ alloys
    G. S. Hegde, A. N. Prabhu and M. K. Chattopadhyay
    J. Matererials Sci.: Matererials Electronics 34 (2023) 1234
    
    
20. Effect of Gd addition on the superconducting properties of Ti-based V, Nb, Ta alloys
    SK. Ramjan, L. S. Sharath Chandra, R. Singh and M. K. Chattopadhyay
    Superconductivity 6 (2023) 100048.
    
    
21. Design studies of a continuous-wave normal conducting buncher for European X-ray Free Electron Laser
    Shankar Lal, V. Paramonov, H. Qian, H. Shaker, G. Shu, Ye Chen, F. Stephan
    Nuclear Inst. and Methods in Physics Research, A 1027 (2022) 166220.
    
    
22. Anomalous correlation between quantum efficiency and transverse momentum spread in semiconductor cathode photoemission
    Peng-Wei Huang, Houjun Qian, Ye Chen, Matthias Gross, Igor Isaev, Christian Koschitzki, Mikhail Krasilnikov, Shankar Lal, Sven Lederer, Xiangkun Li, Osip Lishilin, David Melkumyan,Laura Monaco, Paolo Michelato, Raffael Niemczyk, Anne Oppelt, Daniele Sertore, Hamed Shaker, Guan Shu, Frank Stephan, Chuanxiang Tang, and Grygorii Vashchenko
    Phys. Rev. Accel. Beams 25 (2022) 053401.
    
    
23. Temperature-dependent structural, dielectric and Raman spectroscopy studies on magnetoelectric Co₄Nb₂O₉
    S. Yadav, M. Chandra, Ashish Khandelwal, L. S. Sharath Chandra, R. J. Choudhary, V. Sathe, A. K. Sinha and Kiran Singh
    J. Phys. Chem.: C 126 (2022) 14986.
    
    
24. Strong paramagnetic response in the superconducting state of Y-containing V_0.6Ti_0.4 alloys
    SK. Ramjan, L. S. Sharath Chandra, R. Singh and M. K. Chattopadhyay
    Supercond. Sci. Technol. 35 (2022) 105006.
    
    
25. Sublinear temperature dependence of thermal conductivity in the incommensurate phase of TlInTe₂
    N. Bajaj, D. Chemate, H. P. Veeravenkata, Ashish Khandelwal, M. K. Chattopadhyay, M. Dutta, A. P. Roy, A. Sagdeo, A. Jain, S. S. Prabhu, K. Biswas and D. Bansal
    Phys. Rev. B 106 (2022) 214101.
    
    
26. Revealing superstructure ordering in Co1+xMnSb Heusler alloys and its effect on structural, magnetic, and electronic properties
    M. Baral, V. Srihari, A. Bhakar, M. K. Chattopadhyay, P. Tiwari, A. Chakrabarti, and T. Ganguli
    Phys. Rev. B 105 (2022) 184106.
    
    
27. Enhancement of functional properties of V_0.6Ti_0.4 alloy superconductor by the addition of yttrium
    SK. Ramjan, L. S. Sharath Chandra, R. Singh, P. Ganesh, A. Sagdeo and M. K. Chattopadhyay
    J. Appl. Phys. 131 (2022) 063901.
    
    
28. Interesting magnetic response of the nuclear fuel material UO₂
    S. Pal, L. S. Sharath Chandra, M. K. Chattopadhyay and S. B. Roy
    Phase Transitions 95 (2022) 120.
    
    
29. The IR-FEL facility at RRCAT: Commissioning experiments and first saturation of lasing at 28μm wavelength
    Sona Chandran, Bhaskar Biswas, Arvind Kumar, R. S. Saini, Shankar Lal, Pravin Nerpagar, Ravi Kumar Pandit, Saket Kumar Gupta, Umesh Kale, K. K. Pant
    Nuclear Inst. and Methods in Physics Research, A 1003 (2021) 165321.
    
    
30. Coexisting superconductivity and ferromagnetism in the V_0.60Ti_0.40-Gd alloys
    S. Paul, SK. Ramjan, L. S. Sharath Chandra and M. K. Chattopadhyay
    Materials Sci. & Engg.: B 274 (2021) 115462.
    
    
31. Improved electrical conductivity and power factor in Sn and Se co-doped melt grown Bi₂Te₃ single crystal.
    G. S. Hegde, A. N. Prabhu and M.K. Chattopadhyay
    J. Matererials Sci.: Matererials Electronics 32 (2021) 24871, online access through: https://doi.org/10.1007/s10854-021-06946-8
    
    
32. Temperature induced first order electronic topological transition in Ag₂Se
    L. S. Sharath Chandra, SK. Ramjan, S. Banik, A. Sagdeo and M. K. Chattopadhyay
    Appl. Phys. Lett. 118 (2021) 143905.
    
    
33. Grain refinement and enhancement of critical current density in the V_0.60Ti_0.40 alloy superconductor with Gd addition
    S. Paul, SK. Ramjan, R. Venkatesh, L. S. Sharath Chandra and M. K. Chattopadhyay
    IEEE Trans. Appl. Supercond. 31 (2021) 8000104, online access through Digital Object Identifier: 10.1109/TASC.2021.3052718
    
    
34. Magnetoelastic coupling and spin contributions to entropy and thermal transport in biferroic yttrium orthochromite
    N. Bajaj, A. Roy, Ashish Khandelwal, M. K. Chattopadhyay, V. Sathe, S. Mishra, R. Mittal, P. D. Babu, M. Le, J. Niedziela, D. Bansal
    J. Phys.: Condens. Matter 33 (2021) 125702.
    
    
35. Studies on DC transport and terahertz conductivity of granular molybdenum thin films for microwave radiation detector applications
    S. Sharma, Ashish Khandelwal, E. Prabu Amaladass, S. Abhirami, SK. Ramjan, J. Jayabalan, A. Mani and M. K. Chattopadhyay
    J. Appl. Phys. 128 (2020) 183901.
    
    
36. Enhancement in thermoelectric figure of merit of bismuth telluride system due to tin and selenium co-doping
    G. S. Hegde, A. N. Prabhu, A. Rao and M. K. Chattopadhyay
    Materials Science in Semiconductor Processing 127 (2021) 105645.