Department of Physics

Indian Institute Of Technology Madras , Chennai
Dr. Pramoda Kumar Nayak
HSB 253C
DESIGNATION

DST Ramanujan Fellow

Ph.D.

IIT Guwahati

CURRENT RESEARCH INTEREST

Two-dimensional Materials;Topological Insulators;Quantum Dots;Van der Waals Heterostructures;Novel Superconducting Materials

CONTACT

044 - 2257 4840

pnayak@iitm.ac.in

RESEARCH GROUPS

Recent Book :

Advances in Ceramic Matrix Composites

Jow-Lay Huang and Pramoda K. Nayak

Woodhead Publishing 2nd Edition

2018

https://www.sciencedirect.com/science/article/pii/B9780081021668000104

Two-dimensional Materials for Photodetector

Edited by Pramoda Kumar Nayak

InTech, Rijeka, Croatia - EUROPEAN UNION 1st Edition

2018

https://www.intechopen.com/books/two-dimensional-materials-for-photodetector

Two-dimensional Materials-Synthesis, Characterization and Potential Applications

Edited by Pramoda Kumar Nayak

InTech, Rijeka, Croatia - EUROPEAN UNION 1st Edition

2016

https://www.intechopen.com/books/two-dimensional-materials-synthesis-characterization-and-potential-applications

Recent Advances in Graphene Research

Edited by Pramoda Kumar Nayak

InTech, Rijeka, Croatia - EUROPEAN UNION 1st Edition

2016

https://www.intechopen.com/books/recent-advances-in-graphene-research

Strengthening Alumina Ceramic Matrix composites using spark plasma sintering.

Jow-Lay Huang and Pramoda K. Nayak

Woodhead Publishing, Sawston, Cambridge 1st Edition

2014

https://www.sciencedirect.com/science/article/pii/B9780857091208500101

Microstructure Evolution and Mechanical Properties of Silicon Nitride based Ceramics Sintered by Spark Plasma Sintering

Jow-Lay Huang and Pramoda K. Nayak

NOVA Publishers, Hauppauge, New York 1st Edition

2013

https://www.novapublishers.com/catalog/product_info.php?products_id=38945

Effect of Nano-TiN on Mechanical Behavior of Si3N4 based Nanocomposite by Spark Plasma Sintering

Jow-Lay Huang and Pramoda K. Nayak

InTech, Rijeka, Croatia - EUROPEAN UNION 1st Edition

2012

https://www.intechopen.com/books/nanocomposites-new-trends-and-developments/effect-of-nano-tin-on-mechanical-behavior-of-si3n4-based-nanocomposites-by-spark-plasma-sintering-sp

Synthesis of Cu2O and ZnO Nanowire Arrays by Electrochemical Deposition Process

Yu-Min Shen, Pramoda K. Nayak, Sheng-Chang Wang and Jow-Lay Huang

NOVA Publishers, Hauppauge, New York 1st Edition

2012

https://www.novapublishers.com/catalog/product_info.php?products_id=27853

Processing and Characterization of Alumina/Chromium Carbide Ceramic Nanocomposite

Jow-Lay Huang and Pramoda K. Nayak

InTech, Rijeka, Croatia - EUROPEAN UNION 1st Edition

2011

https://www.intechopen.com/books/advances-in-nanocomposite-technology/processing-and-characterization-of-alumina-chromium-carbide-ceramic-nanocomposite

 Current Research :



 Recent Publications :

Pulsed-Grown Graphene for Flexible Transparent Conductors

Pramoda K. Nayak*

Nanoscale Advances

DOI: 10.1039/C8NA00181B

Year: 2019

Resonantly hybridized excitons in moiré superlattices in van der Waals heterostructures

Evgeny M. Alexeev, David A. Ruiz-Tijerina,Mark Danovich, Matthew J. Hamer, Daniel J. Terry, Pramoda K. Nayak et al....Kostya S. Novoselov, Roman V. Gorbachev, Hyeon Suk Shin, Vladimir I. Fal’ko, Alexander I. Tartakovskii

Nature

Volume: 567 Page: 81-86 DOI: 10.1038/s41586-019-0986-9

Year: 2019

Direct Growth of Graphene on Insulator Using Liquid Precursor via an Intermediate Nano Structured State Carbon Nanotube

Pramoda K. Nayak*

Nanoscale Research Letters

Volume: 14 Page: 107 DOI: 10.1186/s11671-019-2935-9

Year: 2019

Plasmon induced brightening of dark exciton in monolayer 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

Volume: 114 Page: 201101 DOI: 10.1063/1.5093664

Year: 2019

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

Volume: 11 Page: 4501106 DOI: 10.1109/JPHOT.2019.2935000

Year: 2019

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

Volume: 03 Page: 14097–14102 DOI: DOI: 10.1021/acsomega.8b01287

Year: 2018

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

Volume: 05 Page: 11294-11300 DOI: 10.1039/C7TC02592K

Year: 2017

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 et al.

Nano Letters

Volume: 17 Page: 5342–5349 DOI: 10.1021/acs.nanolett.7b01763

Year: 2017

Probing Evolution of Twist Angle Dependent Interlayer Exciton in MoSe2/WSe2 van der Waals Heterostructures

Pramoda K. Nayak et al.

ACS Nano

Volume: 11 Page: 4041–4050 DOI: 10.1021/acsnano.7b00640

Year: 2017

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

Volume: 08 Page: 1046-1051 DOI: 10.5185/amlett.2017.1493

Year: 2017

Prevention of Transition Metal Dichalcogenide Photodegradation by Encapsulation with h-BN Layers

Seongjoon Ahn, Gwangwoo Kim, Pramoda K. Nayak et al.

ACS Nano

Volume: 10 Page: 8973–8979 DOI: 10.1021/acsnano.6b05042

Year: 2016

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

Volume: 08 Page: 6035-6042 DOI: 10.1039/C5NR08395H

Year: 2016

Microstructure and wear behavior of spark plasma sintering sintered Al 2O3/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

Volume: 54 Page: 279-283 DOI: 10.1016/j.ijrmhm.2015.07.030

Year: 2016

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

Volume: 99 Page: 971-978 DOI: 10.1111/jace.14030

Year: 2016

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

Volume: 41 Page: 1317-1321 DOI: 10.1016/j.ceramint.2014.09.063

Year: 2015

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

Volume: 03 Page: 06-12 DOI: 10.1016/j.jascer.2014.09.004

Year: 2015

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

Volume: 48 Page: 414-417 DOI: 10.1016/j.ijrmhm.2014.10.016

Year: 2015

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

Volume: 06 Page: 16020-16026 DOI: 10.1021/am5039483

Year: 2014

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

Volume: 45 Page: 912-917 DOI: 10.1002/jrs.4571

Year: 2014

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

Volume: 40 Page: 15007-15012 DOI: 10.1016/j.ceramint.2014.06.102

Year: 2014

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

Volume: 47 Page: 44-48 DOI: 10.1016/j.ijrmhm.2014.06.015

Year: 2014

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

Volume: 529 Page: 312-316 DOI: 10.1016/j.tsf.2012.03.067

Year: 2013

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

Volume: 33 Page: 3095–3100 DOI: 10.1016/j.jeurceramsoc.2013.05.008

Year: 2013

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

Volume: 226 Page: 75-79 DOI: 10.1177/1740349912445969

Year: 2012

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

Volume: 12 Page: 2442-2447 DOI: 10.1166/jnn.2012.5799

Year: 2012

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

Volume: 32 Page: 77-83 DOI: 10.1016/j.jeurceramsoc.2011.07.029

Year: 2012

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

Volume: 95 Page: 1421-1428 DOI: 10.1111/j.1551-2916.2012.05080.x

Year: 2012

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

Superlattices and Microstructures

Volume: 50 Page: 634-646 DOI: 10.1016/j.spmi.2011.09.005

Year: 2011

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

Volume: 31 Page: 2481-2487 DOI: 10.1016/j.jeurceramsoc.2010.12.005

Year: 2011

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

Volume: 37 Page: 3671-3676 DOI: 10.1016/j.ceramint.2011.06.028

Year: 2011

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

Volume: 37 Page: 2081-2087 DOI: 10.1016/j.ceramint.2011.02.018

Year: 2011

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

Volume: 37 Page: 641-645 DOI: 10.1016/j.ceramint.2010.10.009

Year: 2011

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

Volume: 94 Page: 1182-1190 DOI: 10.1111/j.1551-2916.2010.04196.x

Year: 2011

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

Volume: 94 Page: 959-967 DOI: 10.1111/j.1551-2916.2010.04150.x

Year: 2011

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

Volume: 508 Page: 540-545 DOI: 10.1016/j.jallcom.2010.08.116

Year: 2010

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

Volume: 519 Page: 1687-1692 DOI: 10.1016/j.tsf.2010.08.087

Year: 2010

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

Volume: 93 Page: 3481-3485 DOI: 10.1111/j.1551-2916.2010.03881.x

Year: 2010

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

Volume: 518 Page: 7360-7365 DOI: 10.1016/j.tsf.2010.05.001

Year: 2010

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

Volume: 72 Page: 18-23 DOI: 10.1016/j.mseb.2010.04.006

Year: 2010

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

Volume: 208 Page: 012021 DOI: 10.1088/1742-6596/208/1/012021

Year: 2010

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

Volume: 469 Page: 211-215 DOI: 10.1016/j.physc.2009.01.013

Year: 2009

Study of Critical Current Density from ac Susceptibility Measurements in (La1-xYx)2Ba2CaCu5Oz Superconductors.

P. K. Nayak and S. Ravi

Indian J. Phys.

Volume: 82 Page: 603-610 DOI: RN:39087241

Year: 2008

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

Volume: 90 Page: 2819-2823 DOI: 10.1111/j.1551-2916.2007.01845.x

Year: 2007

Excess Conductivity and Magneto-conductivity Studies in pure and Ag doped (La1-xYx)2Ba2CaCu5Oz superconductors.

P. K. Nayak and S. Ravi

Supercond. Sci. Technol.

Volume: 19 Page: 1209-1214

Year: 2006

Excess Conductivity in the Paracoherence Regime of pure and Ag doped (La1-xYx)2Ba2CaCu5Oz superconductors.

P. K. Nayak and S. Ravi

Solid State Commun.

Volume: 140 Page: 464-468 DOI: 10.1016/j.ssc.2006.09.008

Year: 2006

Fluctuation Magneto-Conductivity in La-Ba-Ca-Cu-O Superconductors

P. K. Nayak and S. Ravi

Journal of Superconductivity and Novel Magnetism

Volume: 19 Page: 515-520 DOI: 10.1007/s10948-006-0185-4

Year: 2006

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.

Volume: 138 Page: 377-381 DOI: 10.1016/j.ssc.2006.03.035

Year: 2006

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

Volume: 20 Page: 111-122 DOI: 10.1142/S0217984906009499

Year: 2006

AC susceptibility study in the single phase Bi-2223 system

S. Keshri, V. Dayal, S. Ravi and P. K. Nayak

Czech. J. Phys.

Volume: 55 Page: 73-84 DOI: 10.1007/s10582-005-0009-y

Year: 2005