pnayak@iitm.ac.in

044-2257-4840 (O)

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Dr. Pramoda Kumar Nayak
Adjunct Professor, IIT Madras

Publications

    Research Area: Two Dimensional Materials

  1. Quantum emitters and detectors based on 2D van der Waals Materials. Madhura G. Dastidar, Immanuel Thekkooden, Pramoda K. Nayak *, Vidya P. Bhallamudi*, Nanoscale (2022): DOI: 10.1039/D1NR08193D. (I.F.= 7.79)

  2. Twist dependent tuning of exciton emissions in bilayer WSe2. Prahallad K. Barman, Pranshoo Upadhyay, Sharad Kumar Yadav, Ramesh Rajarappu, Latha K.V. P., Meenakshisundaram N, Pramoda K. Nayak*, ACS Omega 7 (2022) 6412–6418. DOI: 10.1021/acsomega.1c07219.(I.F.=3.51)

  3. Layer parity dependent Raman-active modes and crystal symmetry in ReS2. Pranshoo Upadhyay, Nikhilesh Maity, Ravindra Kumar,Prahallad K. Barman, Abhishek K. Singh*, Pramoda K. Nayak*, Physical Review B 105 (2022) 045416. DOI: 10.1103/PhysRevB.105.045416.(I.F.=4.04)

  4. Interlayer excitonic states in MoSe2/MoS2 van der Waals heterostructure. Ankit Arora, Pramoda K. Nayak*, Swastibrata Bhattacharyya, Nikhilesh Maity, Abhishek K. Singh, Ananth Krishnan and M. S. Ramachandra Rao*, Physical Review B, 103 (2021) 205406. DOI: 10.1103/PhysRevB.00.005400. (I.F.= 4.04)

  5. Study of Thermal Conductivity in Two-dimensional Bi2Te3 from Micro-Raman Spectroscopy. Manavendra P. Singh, Sumarlang Ryntathiang, Sivarama Krishnan, Pramoda K. Nayak*, Current Chinese Science (2021). DOI: 10.2174/2210298101666210412101104

  6. Study of thermometry in two-dimensional Sb2Te3 from temperature dependent Raman spectroscopy. Manavendra P. Singh, Manab Mandal, K. Sethupathi, M.S. Ramachandra Rao, Pramoda K. Nayak*, Nanoscale Research Letters (2021) 16:22. doi.org/10.1186/s11671-020-03463-1. (I.F. 3.58).

  7. Sequential growth of two-dimensional MoSe2-WSe2 lateral heterojunctions. Sharad Kumar Yadav, Vishal V. R. Nandigana, Pramoda K. Nayak*, AIP Conference Proceedings 2265 (2020) 030699. doi.org/10.1063/5.0018023.

  8. Stacking angle dependent multiple excitonic resonances in bilayer WSe2. Ankit Arora, Pramoda K. Nayak*, Tejendra Dixit, K. Lakshmi Ganapathi, Ananth Krishnan*, M.S. Ramachandra Rao*. Nanophotonics, 9(2020) 3881-3887. doi.org/10.1515/nanoph-2020-0034. (I.F. 7.49).

  9. Plasmon Assisted Selective Enhancement of Direct Band Transitions in Multi-layer MoS2. Tejendra Dixit, Ankit Arora, Muralidhra Miryala, Masato Murakami, Pramoda K. Nayak, K. Lakshmi Ganapathi, M.S. Ramachandra Rao*, IEEE Photonics 11 (2019) 4501106. (I.F =2.73). DOI:10.1109/JPHOT.2019.2935000.

  10. Plasmon induced brightening of dark exciton in mono-layer WSe2 for quantum optoelectronics. Ankit Arora, Tejendra Dixit, Anil Kumar K V, Sivarama Krishanan K. Lakshmi Ganapathi, Ananth Krishnan*, Pramoda K. Nayak*, M.S. Ramachandra Rao*, Applied Physics Letters 114 (2019)201101. doi: 10.1063/1.5093664 (I.F =3.52).

  11. Direct Growth of Graphene on Insulator Using Liquid Precursor via an Intermediate Nano Structured State Carbon Nanotube. Pramoda K. Nayak*, Nanoscale Research Letters (2019) 14: 107.DOI: 10.1186/s11671-019-2935-9. (I.F =3.16).

  12. Resonantly hybridized excitons in moiré superlattices in van der Waals hetero structures. Evgeny M. Alexeev, David A. Ruiz-Tijerina, Mark Danovich, Matthew J. Hamer, Daniel J. Terry, Pramoda K. Nayak, Seongjoon Ahn, Sangyeon Pak, Juwon Lee, Jung Inn Sohn, Maciej R. Molas, Maciej Koperski,Kenji Watanabe, Takashi Taniguchi, Kostya S. Novoselov, Roman V. Gorbachev, Hyeon Suk Shin, Vladimir I. Fal’ko, Alexander I. Tartakovskii, Nature 567 (2019) 81–86. DOI:10.1038 / s41586-019-0986-9. (I.F = 43.07).

  13. Pulsed-grown graphene for flexible transparent conductors. Pramoda K. Nayak*, Nanoscale Advances 1(2019) 1215-1223.Advance Article. DOI: 10.1039/C8NA00181B. (I.F ~7.0).

  14. Near Infrared Random Lasing in Multilayer MoS2 . Tejendra Dixit, Ankit Arora, Ananth Krishnan, K. Lakshmi Ganapathi*, Pramoda K. Nayak*, M.S. Ramachandra Rao*, ACS Omega 3 (2018) 14097–14102. DOI: 10.1021/acsomega.8b01287. (I.F ~6.0).

  15. Hydrogenation of Monolayer Molybdenum Diselenide via Hydrogen Plasma Treatment. Kyung Yeol Ma, Seong In Yoon, A-Rang Jang, Hu Young Jeong, Yong Jin Kim, Pramoda K. Nayak, Hyeon Suk Shin, Journal of Material Chemistry C, 5 (2017) 11294-11300 DOI: 10.1039/C7TC02592K (I.F = 6.64).

  16. Imaging of interlayer coupling in van der Waals heterostructures using a bright-field optical microscope. Evgeny M. Alexeev, Alessandro Catanzaro, Oleksandr V. Skrypka, Pramoda K. Nayak, Seongjoon Ahn, Sangyeon Pak, Juwon Lee, Jung Inn Sohn, Kostya S. Novoselov, Hyeon Suk Shin, Alexander I. Tartakovskii, Nano Letters 17 (2017) 5342–5349. DOI: 10.1021/acs.nanolett.7b01763 (I.F = 12.28).

  17. Probing Evolution of Twist Angle Dependent Interlayer Exciton in MoSe2/WSe2 van der Waals Hetero structures. Pramoda K. Nayak, Yevhen Horbatenko, Seongjoon Ahn, Gwangwoo Kim, Jae-Ung Lee, A-Rang Jang, Hyunseob Lim, Dogyeong Kim, Sunmin Ryu, Hyeonsik Cheong, Noejung Park and Hyeon Suk Shin, ACS Nano 11 (2017) 4041–4050 DOI: 10.1021/acsnano.7b00640 (I.F = 13.90).

  18. Prevention of Transition Metal Dichalcogenide Photodegradation by Encapsulation with h-BN Layers. Seongjoon Ahn, Gwangwoo Kim, Pramoda K. Nayak, Seong In Yun, Hyunseob Lim, Hyun-Joon Shin and Hyeon Suk Shin, ACS Nano 10 (2016) 8973–8979 DOI: 10.1021/acsnano.6b05042 (I.F = 13.90).

  19. Robust Room Temperature Valley Polarization in Monolayer and Bilayer WS2. Pramoda K. Nayak, Fang-Cheng Lin, Chao-Hui Yeh, J.S. Huang and Po-Wen Chiu, Nanoscale, 8(2016) 6035-6042 DOI: 10.1039/C5NR08395H (I.F = 6.97).

  20. Layer dependent optical conductivity in atomic thin WS2 by reflection contrast spectroscopy. Pramoda K. Nayak, Chao-Hui Yeh, Yu-Chen Chen and Po-Wen Chiu, ACS applied Materials and Interfaces, 6 (2014) 16020-16026 (I.F = 8.45).

  21. Probing interlayer coupling in twisted bilayer graphene by Raman spectroscopy. Chao-Hui Yeh , Yung-Chang Lin, Pramoda K. Nayak, Chun-Chieh Lu, Kazu Suenaga, Po-Wen Chiu, Journal of Raman Spectroscopy, 45 (2014) 912-917 (I.F= 2.81).

  22. Graphene Coated Ni Films: A Protective Coating. Pramoda K. Nayak, Chan-Jung Hsu, Sheng-Chang Wang, James C. Sung, Jow-Lay Huang, Thin Solid Films, 529 (2013) 312-316 (I.F.= 1.89).

  23. Spinodal Decomposition of Mono- to Few-Layer Graphene on Ni Substrates at a Relatively Low Temperature. Chan-Jung Hsu, Pramoda K. Nayak, Sheng-Chang Wang, James C. Sung, Chiang-Lun Wang, Chung-Lin Wu and Jow-Lay Huang, Journal of Nanoscience and Nanotechnology, 12(3) (2012) 2442-2447 (I.F.= 1.09).

    24. Research Area: Semiconductor Nanowires

  24. Variation of crystallinity of Cu and Cu2O nanowires arrays grown in various pores of porous alumina membrane. Yu-Min Shen, Wen-Fang Chiu, Sheng-Chang Wang, Pramoda K. Nayak, Dipti. R. Sahu, Jow-Lay Huang, Advanced Materials Letters,8 (2017), 1046-1051(I.F.= 1.46) DOI: 10.5185/amlett.2017.1493.

  25. Characterization of ordered Cu2O nanowire arrays prepared by heat treated Cu/PAM composite. Yu-Min Shen, Yueh-Ting Shih, Sheng-Chang Wang, Pramoda K. Nayak and Jow-Lay Huang, Thin Solid Films 519 (2010) 1687-1692 (I.F.= 1.89).

    26. Research Area: Nanocomposites

  26. Microstructure and wear behavior of spark plasma sintering sintered Al2 O3/WC-based composite. Wei-Hsio Chen, Hao-Tung Lin, Jianmin Chen, Pramoda K. Nayak, Alex C Lee, Horng-Hwa Lu, Jow-Lay Huang, International Journal of Refractory Metals and Hard Materials, 84 (2016) 279-283 (I.F.= 2.79).

  27. Effect of nanosized TiC0.37N0.63 on unlubricated wear responses of Si3N-based nanocomposites under low hertizian stress. Alex C Lee, Horng-Hwa Lu, Takashi Goto, Rong Tu, Hua-Tay Lin, Ding-Fu Lii, Pramoda K. Nayak, Jow-Lay Huang, Journal of American Ceramic Society (2015) DOI: 10.1111/jace.14030 (I.F.=3.09).

  28. Enhanced mechanical properties of WC-reinforced Al2O3 ceramics via spark plasma sintering. Wei-Hsio Chen,Pramoda K. Nayak,Hao-Tung Lin,Alex C. Lee, Jow-Lay Huang, Ceramic International, 41 (2015) 1317-1321 (I.F.= 3.50).

  29. Nanopowder processing of ultrafine Si3N4 with improved wear resistance. Alex C Lee, Horng-Hwa Lu, Hua-Tay Lin, Pavol Šajgalík, Ding-Fu Lii, Pramoda K. Nayak, Ching-Yu Chen, Jow-Lay Huang, Journal of Asian Ceramic Societies, 3 (2015) 06-12.(I.F.= 1.68).

  30. Sintering behavior and mechanical properties of WC-Al2O3 composites prepared by spark plasma sintering (SPS). Wei-Hsio Chen, Hao-Tung Lin, Pramoda K. Nayak, Man-Ping Chang, Jow-Lay Huang, International Journal of Refractory Metals and Hard Materials, 48(2015) 414-417 (I.F.= 2.79).

  31. Material properties of tungsten carbide-alumina composites fabricated by spark plasma sintering, Wei-Hsio Chen, Hao-Tung Lin, Pramoda K. Nayak, Jow-Lay Huang. Ceramic International 40 (2014) 15007-15012 (I.F.= 3.50).

  32. Synthesis of nanostructured Tungsten Carbide via Metal-Organic Chemical Vapor Deposition and Carburization Process. Wei-Hsio Chen, Pramoda K. Nayak, Hao-Tung Lin, Man-Ping Chang, and Jow-Lay Huang, International Journal of Refractory Metals and Hard Materials,47(2014)44-48. (I.F.= 2.79).

  33. Microstructure analysis and mechanical properties of a new class of of Al2O3-Cr2O3/Cr3C2 nanocomposite fabricated by spark plasma sintering. Pramoda K. Nayak, Hao-Tung Lin, Man-Ping Chang,Wei-Hsio Chen and Jow-Lay Huang, Journal of the European Ceramic Society, 33 (2013) 3095–3100 (I.F.= 4.34).

  34. Growth of single crystal SiC by liquid phase epitaxy using Sm/Co as unique solvent. Sheng-Chang Wang, Pramoda K. Nayak, You-Ling Chen and Jow-Lay Huang, Journal of Nanoengineering and Nanosystems, In Press (2012) DOI: 10.1177/1740349912445969.

  35. Mechanical properties of Al2O3-Cr2O3/Cr3C2 nanocomposite fabricated by spark plasma sintering. Hao-Tung Lin, Pramoda K. Nayak, Bo-Zon Liu, Wei-Hsio Chen and Jow-Lay Huang, Journal of the European Ceramic Society,32 (2012)77-83. (I.F.= 3.41).

  36. Indentation Deformation and Microcracking in β-Si3N4 Based Nanoceramic. Ching-Huan Lee, Horng-Hwa Lu, Takashi Goto, Rong Tu, Hao-Chi Liu, Chang-An Wang, Chiang-Rong Ruan, Pramoda K. Nayak, Qing-Yu Chen, Jow-Lay Huang, Journal of the American Ceramic Society 95[4](2012)1421-1428(I.F.= 3.09).

  37. Microstructure Investigation of SiC Films Synthesized from Liquid Phase in Sm-Co melts. Pei-Ting Lee, Pramoda K. Nayak, Sheng-Chang Wang, James C. Sung and Jow-Lay Huang, Super lattices and Microstructures,50 (2011)634-646 (I.F.= 2.38).

  38. Electron-Energy Loss Spectroscopy and Raman Studies of Nanosized Chromium Carbide Synthesized During Carbothermal Reduction Process from Precursor Cr(CO)6. Hao-Tung Lin, Pramoda K. Nayak, Sheng-Chang Wang, Shin-Yun Chang and Jow-Lay Huang, Journal of the European Ceramic Society,31 (2011) 2481-2487 (I.F=4.34).

  39. Microstructural Analysis of Single Crystal SiC Prepared by Novel Liquid Phase Epitaxy. Sheng-Chang Wang, Pramoda K. Nayak, You-Ling Chen, James C. Sung and Jow-Lay Huang, Ceramics International,37 (2011) 3671-3676 (I.F.= 3.50).

  40. Study of color change and microstructural development of Al2O3-Cr2O3/Cr3C2 nanocomposites prepared by spark plasma sintering. Hao-Tung Lin, Bo-Zon Liu, Wei-hsio Chen, Jow-Lay Huang and Pramoda K. Nayak, Ceramics International, 37 (2011) 2081-2087 (I.F.= 3.50).

  41. Microstructure and fracture behaviour of β–Si3N4 based nanoceramics. Ching-Huan Lee, Horng-Hwa Lu, Chang-An Wang, Wen-Tse Lo, Pramoda K. Nayak and Jow-Lay Huang, Ceramics International 37 (2011) 641-645. (I.F.= 3.50).

  42. Effect of heating rate on spark plasma sintering of a nanosized β-Si3N4 based powder. Ching-Huan Lee, Horng-Hwa Lu, Chang-An Wang, Pramoda K. Nayak, and Jow-Lay Huang, Journal of the American Ceramic Society, 94[4] (2011) 1182-1190. (I.F.= 3.09).

  43. Influence of conductive nano-TiC on microstructural evolution of Si3N4 based nanocomposites in spark plasma sintering (SPS). Ching-Huan Lee, Horng-Hwa Lu, Chang-An Wang, Pramoda K. Nayak, and Jow-Lay Huang, Journal of the American Ceramic Society, 94[3] (2011) 959-967. (I.F.= 3.09).

  44. Microstructure and mechanical properties of TiN/Si3N4 based nanocomposites by spark plasma sintering (SPS). Ching-Huan Lee, Horng-Hwa Lu, Chang-An Wang, Pramoda K. Nayak and Jow-Lay Huang, Journal of Alloys and Compounds 508 (2010)540-545. (I.F.= 4.17).

  45. Phase Composition and Photoluminescence Properties of RF Sputtered Pure and Sm3+ doped ZrO2 Thin Films. Pramoda K. Nayak, Wei-Jung Kao, Diptiranjan Sahu and Jow-Lay Huang, Journal of the American Ceramic Society 93 (2010) 3481-3485 (I.F.= 3.09).

  46. Carbothermal Reduction Process for Synthesis of Nanosized Chromium Carbide via Metal Organic Chemical Vapor Deposition. Sheng-Chang Wang, How-Tung Lin, Pramoda K. Nayak , Shin-Yun Chang and Jow-Lay Huang, Thin Solid Films 518 (2010) 7360-7365 (I.F.= 1.89).

  47. Evolution of Binary Phase TiC/Ti3SiC2 Composites from Ti/TiC/Si by Hot Pressed Reactive Sintering. Wen-Tse Lo, Pramoda K. Nayak, Horng-Hwa Lu, Ding-Fwu Lii and Jow-Lay Huang, Materials Science and Engineering B 172 (2010) 18-23. (I.F.= 3.61).

    48. Research Area: High Temperature Superconductivity

  48. Design and Fabrication of a High Tc BSCCO based Square Helmholtz Coil. P. K. Nayak, U. Prasad, A. Amardas, D. Patel& S. Pradhan, Journal of Physics: Conference Series 208 (2010) 012021.(I.F.= 0.69).

  49. I-V characteristics and Magnetic field profile studies in High Tc BSCCO based Helmholtz Coil. P. K. Nayak, U. Prasad, A. N. Sharma, D. Patel, S. Kedia & S. Pradhan, Physica C 469 (2009) 211-215 (I.F. = 0.98).

  50. Study of Critical Current Density from ac Susceptibility Measurements in (La1-xYx)2Ba2CaCu5Oz Superconductors. P. K. Nayak and S. Ravi, Indian J. Phys. 82 (5) (2008) 603-610. (I.F.= 1.07).

  51. Study of Crystal Structure and Characterization of Pure and Ag doped (La1-xYx)2Ba2CaCu5Oz (0  x  0.5) Superconductors. P. K. Nayak and S. Ravi, Journal of the American Ceramic Society 19 (2007) 2819-2823. (I.F.= 3.09).

  52. Excess Conductivity and Magneto-conductivity Studies in pure and Ag doped (La1-xYx)2Ba2CaCu5Oz superconductors. P. K. Nayak and S. Ravi, Supercond. Sci. Technol. 19 (2006) 1209-1214. (I.F.= 2.86).

  53. Excess Conductivity in the Paracoherence Regime of pure and Ag doped (La1-xYx)2Ba2CaCu5Oz superconductors. P. K. Nayak and S. Ravi, Solid State Commun. 140 (2006) 464-468. (I.F.= 1.49).

  54. Fluctuation Magneto-Conductivity in La-Ba-Ca-Cu-O Superconductors. P. K. Nayak and S. Ravi, Journal of Superconductivity and Novel Magnetism 19(6) (2006) 515-520. (I.F. = 1.14).

  55. AC susceptibility and intergranular critical current density study in pure and Ag doped (La1-xYx)2Ba2CaCu5Oz Superconductors. P. K. Nayak and S. Ravi, Solid State Commun. 138 (2006) 377-381. (I.F.= 1.49).

  56. Excess Conductivity in the Mean Field and Paracoherence Regimes of (La1.6Y0.4)Ba2 Ca0.8 Cu4.8Oz Superconductors. P. K. Nayak and S. Ravi, Modern Physics Letters B, 20 (2006) 111-122. (I.F. = 0.73).

  57. AC susceptibility study in the single phase Bi-2223 system. S. Keshri, V. Dayal, S. Ravi and P. K. Nayak, Czech. J. Phys. 55 (2005) 73-84. (I.F.= 0.57).