Publications

IRINS IISERTVM

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Under Review:

(Corresponding author(s) marked with a *. Undergraduate students in green color)

• 1. S. J. Sreerag, N. Malathi, Shahla Yasmin Mathengattil, Rabindranath Bag, Surjeet Singh and Rajeev N. Kini*, Upconversion of terahertz phonons in spin-ladder compounds via nonlinear coupling, Under Revision, arxiv (2023)

  2. Navya Biju, Prahalad Kanti Barman, Jibin N Sunil and Rajeev N Kini*, Defect-induced anomalous thermal quenching of photoluminescence in the transition metal dichalcogenide ternary alloy Mo0.6W0.4Se2, Under review (2023)

Peer Reviewed:

• 3. Akant Sagar Sharma, S. J. Sreerag, Rajeev N Kini, Temperature-dependent ultrafast hot carrier dynamics in the dilute bismide alloy, GaSb1-xBix (x ≾ 0.4%), J. Appl. Phys. 135, 035701 (2024)

  4. S. J. Sreerag , Akant Sagar Sharma*, T. B. O Rockett, J. P. R. David, RD Richards, R.N. Kini, Negative thermal quenching in optically pumped GaAsBi-GaAs heterojunction p-i-n diode, Applied Physics A 129, 603  (2023)

  5. Akant Sagar Sharma*, N Malathi, Subhasis Das, R.N. Kini, Temperature-dependent electron Hall mobility in LPE-grown InPBi/InP epilayers, Journal of Materials Science: Materials in Electronics 34, 450 (2023)

  6. Arijit Kayal, Prahalad Barman, Prasad Sarma, Manikoth Shaijumon, Rajeev Kini,  Joy Mitra, Symmetric Domain Segmentation in WS2 Flakes: Correlating spatially resolved photoluminescence, conductance with valley polarization, Nanotechnology 33, 495203 (2022)

  7. Prasad Sarma, Renjith Nadarajan, Ritesh Kumar, Riya Patinharayil, Navya Biju,  Sreevidya Narayanan, Guanhui Gao,  Chandrasekhar Tiwary, Madhu Thalakulam, Rajeev Kini, Abhishek Singh, Pulickel Ajayan, Manikoth Shaijumon, Growth of highly crystalline ultrathin two-dimensional selenene, 2D Mater. 9, 045004 (2022)

  8. S D Siv Sachin, Vivek Vijayan, and Rajeev N Kini, Non-destructive evaluation of coatings using terahertz reflection spectroscopy, J Opt 24, 044014 (2022)

  9. Prahalad Kanti Barman*, Prasad V. Sarma, Manikoth M. Shaijumon, Rajeev N. Kini* , Resonant-Raman study of Fröhlich exciton-phonon interaction in WS2 nanostructures, Eur. Phys. J. Spec. Top 231, 743–748 (2022)

  10. M. M. Devadevan, J. Krishnanand, K. B. Shilpa and R. N. Kini*, A compact, fast and efficient plasma cleaner, IEEE Trans. on Plasma Science 49,  3576 (2021)

  11. Soumitra Hazra*, Neeti Gupta, Gavin Conibeer, Santosh Shrestha, Rajeev N. Kini*, Effect of nanostructuring on picosecond acoustics in a Zr film", Physica Scripta 96, 125716 (2021)

  12. P Riya Mol, Prahalad Kanti Barman, Prasad V Sarma, Abhishek S Kumar, Satyam Sahu, Manikoth M Shaijumon and Rajeev N Kini,* Anomalously polarised emission from MoS2/WS2 heterostructure, Nanoscale Advances, 3, 5676-5682 (2021)

  13. Soumitra Hazra, Rabindranath Bag, Surjeet Singh, Rajeev N. Kini*, Effect of doping on the pseudogap behaviour and the related terahertz modes in the hybrid chain-ladder compound, Sr14Cu24O41, Physics Letters A 408,127489 (2021)

  14. Soumitra Hazra, Rabindranath Bag, Surjeet Singh, Rajeev N. Kini*, "Terahertz spectroscopic signature of the charge density wave in the spin-ladder compound, Sr14Cu24O41 " J. Phys.: Condens. Matter 32 275601 (2020) 

  15. S. Sandeep and R N Kini*, "Phoniton in a GaAs-AlAs acoustic phonon cavity with a tunable two-level system", Semicond. Sci. Technol. 34, 075010 (2019) 

  16. Prahalad Kanti Barman, Prasad V. Sarma, M. M. Shaijumon and R N Kini* "High degree of circular polarization in WS2 spiral nanostructures induced by broken symmetry",  Sci. Rep 9, 2784 (2019)  

  17. Rabindranath Bag, Soumitra Hazra, Rajeev N. Kini, Surjeet Singh*, "Excess specific heat from the gapped sliding phonon modes in the incommensurate composite crystal Sr14Cu24O41",   Phys. Rev. B 99, 054305 (2019)  arXiv:1808.00947

  18. Sathyan Sandeep, Sarah L Heywood, Richard Campion, Anthony J Kent, Rajeev N. Kini*, "Resonance of Terahertz phonons in an Acoustic nanocavity", Phys. Rev. B 98, 235303 (2018)

  19. C P Vaisakh, Mithun Kumar Bhowal, Sunanda Dhar and Rajeev N. Kini*, "Enhanced terahertz emission from Bi incorporated GaSb", J. Phys D, 51  065112 (2018)

  20. C P Vaisakh, C T Foxon, S V Novikov and R N Kini*, "Terahertz conductivity of the highly mismatched amorphous alloy, GaNBi", Semicond. Sci. Technol. 32 125009 (2017)

  21. Prasad V. Sarma, Prasanna Patil, Prahalad Kanti Barman, Rajeev N. Kini and Manikoth M. Shaijumon*, "Controllable Growth of Few-layer Spiral WS2 " RSC Advances 6, 376 (2016)

  22. R S Joshya*, V Rajaji, Chandrabhas Narayana, A Mascarenhas, R N Kini* "Anharmonicity in light scattering by optical phonons in GaAs1-xBix" J. Appl. Phys 119, 205706 (2016)

  23. C. P. Vaisakh, A. Mascarenhas, and R N Kini*, "THz generation mechanisms in the semiconductor alloy, GaAs1-xBix", J. Appl. Phys 118, 165702 (2015)

  24. R S Joshya, A. J Ptak, R France, A Mascarenhas and R N Kini*, "Resonant state due to Bi in the dilute bismide alloy GaAs1−xBix"  Phys Rev B. 90, 165203 (2014)

  25. R S Joshya, A. J Ptak, R France, A Mascarenhas and R N Kini*, "Coherent acoustic phonon generation in GaAs1-xBix" Appl. Phys. Lett. 104, 091903 (2014)

  26.  B Fluegel*, R N Kini, A. J Ptak, D. Beaton, K. Alberi and A Mascarenhas, “Shubnikov-de Haas Measurement of Electron Effective Mass in GaAs1-xBix”, Appl. Phys. Lett. 99, 162108 (2011)

  27. R N Kini*, A. J Ptak, B Fluegel, R France, R C Reedy and A Mascarenhas, “Effect of Bi alloying on the hole transport in the dilute bismide alloy GaAs1-xBix”, Phys. Rev. B.  83, 075307  (2011) 

  28. R N Kini*, L Bhusal, A J Ptak, R France, and A Mascarenhas. “Electron Hall mobility in GaAsBi”, J. Appl. Phys. 106, 043705 (2009) 

  29. R N Kini*, A J Kent, N M Stanton and M Henini, “Phonon-assisted tunneling in a superlattice in an applied magnetic field” Phys. Rev. B 80, 035335 (2009) (EDITORS’ SUGGESTION) 

  30. R N Kini*, A Mascarenhas, R France and A J Ptak, “Low temperature photoluminescence from dilute Bismides”, J. Appl. Phys. 104, 113534 (2008) 

  31. A Mascarenhas*, R N Kini, Y Zhang, R France and A J Ptak, “Comparison of the dilute Bismide and Nitride alloys GaAsBi and GaAsN”, (INVITED) Phys. Stat. Sol. (B) 246, 504 (2008)

  32. R N Kini*, K Nontapot, G A Khodaparast, R E Welser, and L J Guido, “Time resolved measurements of spin and carrier dynamics in InAs films”, J. Appl. Phys. 103, 064318 (2008) 

  33. M Frazier, R N Kini, K Nontapot, G A Khodaparast*, T Wojtowicz, X Liu, and J K Furdyna, “Time resolved magneto-optical studies of ferromagnetic InMnSb films”, Appl. Phys. Lett. 92, 061911 (2008) 

  34. K Nontapot, R N Kini, A Gifford, T R Merritt, G A Khodaparast*, T Wojtowicz, X Liu and J K Furdyna, “Relaxation of Photoinduced Spins and Carriers in Ferromagnetic InMnSb Films”, Appl. Phys. Lett. 90, 143109 (2007) 

• 35. A J Ken*t, R N Kini, N M Stanton, M Henini, B A Glavin, V A Kochelap and T L Linnik, ”Acoustic phonon emission from a weakly-coupled superlattice under vertical electron transport: observation of phonon resonance”, Phys. Rev. Lett. 96, 215504 (2006)      This work was reported in The Economist, Physics News Update and Laser Focus World

  36. R N Kini, A J Kent*, N M Stanton and M Henini, “Generation and detection of THz coherent transverse-polarized acoustic phonons by ultrafast optical excitation of GaAs/AlAs superlattices”, Appl. Phys. Lett. 88, 134112 (2006) 

  37. R N Kini, A J Kent*, N M Stanton and M Henini, “Angle dependence of the phonon assisted tunnelling in a weakly coupled superlattice – evidence for terahertz phonon amplification”, J. Appl. Phys. 98, 033514 (2005) 

  38. N M Stanton, R N Kini, A J Kent*, and M Henini, “Monochromatic transverse-polarized phonons from femtosecond pulsed optical excitation of a GaAs/AlAs superlattice”, Phys. Rev. B 69, 125341 (2004) 

  39. R N Kini*, N M Stanton, A J Kent and M Henini, “Electrically pumped terahertz SASER device using a weakly coupled AlAs/GaAs superlattice as the gain medium”, Phys. Stat. Sol. (C) 1, 2682 (2004)

  40. R N Kini, N M Stanton*, A J Kent and M Henini, “Measurements of phonons generated by optical excitation of GaAs, using a superlattice phonon spectrometer", Phys. Stat. Sol. (C) 1, 2783 (2004)

  41. N M Stanton, R N Kini, A J Kent*, and M Henini, “Generation of transverse acoustic phonons in a GaAs/AlAs superlattice by ultrafast optical excitation”, Semicond. Sci. Tech. 19, S270 (2004) 

  42. N M Stanton, R N Kini, A J Kent*, M Henini and D Lehmann, “Terahertz phonon optics in GaAs/AlAs superlattice structures” Phys. Rev. B 68, 113302 (2003) 

Conducting Polymers:

• 43. S Angappane, R N Kini, T S Natarajan, G Rangarajan* and B Wessling, “PAni-PMMA blend/metal Schottky barriers”, Thin Solid Films 417, 202 (2002)

Book Chapter:

1. Rajeev N Kini*and C P Vaisakh, "Terahertz Emission Mechanisms in III–V Semiconductors: The Influence of Isoelectronic Dopants" in Emerging Trends in Terahertz Solid-State Physics and Devices, Springer Nature Singapore Pte Ltd (2020)

2. Rajeev N. Kini*and Angelo Mascarenhas, "Effect of Bismuth alloying on the transport properties of the dilute bismide alloy, GaAs1-xBix", in Bismuth-Containing compounds, Springer Series in Materials Science, Volume 186, Eds. Handong Li, Zhiming M Wang, pp 181-200 (2013)