World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Electronics and Electrical Engineering 53 2404 2303 15 15 517 11364
Materials Science 59 7307 7068 107 104 598 14065

Samit K. Ray publications per year

The chart shows the history of publications by Samit K. Ray between 1964 and 2021, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Samit K. Ray published across 58 years, from 1964 to 2021, averaging 11 papers a year. Output peaked at 44 publications in 2016. 74 of the 640 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1964 to 2021. Vertical axis: number of publications, 0 to 44. Peak 44 publications in 2016. 1964: 1 publication 1965: 0 publications 1966: 1 publication 1967: 0 publications 1968: 0 publications 1969: 0 publications 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 1 publication 1986: 0 publications 1987: 0 publications 1988: 2 publications 1989: 0 publications 1990: 6 publications 1991: 3 publications 1992: 2 publications 1993: 2 publications 1994: 4 publications 1995: 8 publications 1996: 12 publications 1997: 14 publications 1998: 24 publications 1999: 17 publications 2000: 14 publications 2001: 19 publications 2002: 19 publications 2003: 13 publications 2004: 13 publications 2005: 6 publications 2006: 11 publications 2007: 25 publications 2008: 20 publications 2009: 36 publications 2010: 18 publications 2011: 20 publications 2012: 28 publications 2013: 35 publications 2014: 38 publications 2015: 26 publications 2016: 44 publications 2017: 26 publications 2018: 35 publications 2019: 23 publications 2020: 30 publications 2021: 44 publications
1964 2021

640 publications in total across all disciplines

View publications per year as a table
Samit K. Ray: publications per year, 1964 to 2021
Year Publications
1964 1
1965 0
1966 1
1967 0
1968 0
1969 0
1970 0
1971 0
1972 0
1973 0
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 0
1985 1
1986 0
1987 0
1988 2
1989 0
1990 6
1991 3
1992 2
1993 2
1994 4
1995 8
1996 12
1997 14
1998 24
1999 17
2000 14
2001 19
2002 19
2003 13
2004 13
2005 6
2006 11
2007 25
2008 20
2009 36
2010 18
2011 20
2012 28
2013 35
2014 38
2015 26
2016 44
2017 26
2018 35
2019 23
2020 30
2021 44
Total 640
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Samit K. Ray publication distribution in Electronics and Electrical Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Electronics and Electrical Engineering in 2026. The highlighted bar marks where Samit K. Ray sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 53 bars. Horizontal axis: publications, 34–53 to 1,065+. Vertical axis: number of scientists, 0 to 445. Most scientists, 445, have 174–193 publications. The last bar groups every scientist with 1,065 publications or more. The highlighted bar, 514–533 publications, is where this scientist sits. 34–53 publications: 24 scientists 54–73 publications: 52 scientists 74–93 publications: 114 scientists 94–113 publications: 203 scientists 114–133 publications: 269 scientists 134–153 publications: 355 scientists 154–173 publications: 403 scientists 174–193 publications: 445 scientists 194–213 publications: 430 scientists 214–233 publications: 431 scientists 234–253 publications: 399 scientists 254–273 publications: 366 scientists 274–293 publications: 335 scientists 294–313 publications: 300 scientists 314–333 publications: 276 scientists 334–353 publications: 250 scientists 354–373 publications: 214 scientists 374–393 publications: 187 scientists 394–413 publications: 152 scientists 414–433 publications: 169 scientists 434–453 publications: 147 scientists 454–473 publications: 111 scientists 474–493 publications: 117 scientists 494–513 publications: 103 scientists 514–533 publications: 99 scientists 534–553 publications: 92 scientists 554–573 publications: 75 scientists 574–593 publications: 58 scientists 594–613 publications: 69 scientists 614–633 publications: 50 scientists 634–653 publications: 62 scientists 654–673 publications: 54 scientists 674–693 publications: 44 scientists 694–713 publications: 37 scientists 714–733 publications: 28 scientists 734–753 publications: 26 scientists 754–773 publications: 26 scientists 774–793 publications: 19 scientists 794–813 publications: 23 scientists 814–833 publications: 20 scientists 834–853 publications: 16 scientists 854–873 publications: 20 scientists 874–893 publications: 11 scientists 894–913 publications: 11 scientists 914–933 publications: 16 scientists 934–953 publications: 13 scientists 954–973 publications: 10 scientists 974–993 publications: 11 scientists 994–1,013 publications: 9 scientists 1,014–1,033 publications: 9 scientists 1,034–1,053 publications: 10 scientists 1,054–1,064 publications: 6 scientists 1,065+ publications: 99 scientists
34–53 publications 1,065+

This scientist: 517 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,065 publications or more.

View publications distribution as a table
Number of Electronics and Electrical Engineering scientists by publication count, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
Publications Scientists This scientist
34–53 24
54–73 52
74–93 114
94–113 203
114–133 269
134–153 355
154–173 403
174–193 445
194–213 430
214–233 431
234–253 399
254–273 366
274–293 335
294–313 300
314–333 276
334–353 250
354–373 214
374–393 187
394–413 152
414–433 169
434–453 147
454–473 111
474–493 117
494–513 103
514–533 99 517
534–553 92
554–573 75
574–593 58
594–613 69
614–633 50
634–653 62
654–673 54
674–693 44
694–713 37
714–733 28
734–753 26
754–773 26
774–793 19
794–813 23
814–833 20
834–853 16
854–873 20
874–893 11
894–913 11
914–933 16
934–953 13
954–973 10
974–993 11
994–1,013 9
1,014–1,033 9
1,034–1,053 10
1,054–1,064 6
1,065+ 99
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Samit K. Ray D-index placement in Electronics and Electrical Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Electronics and Electrical Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Samit K. Ray sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 82 bars. Horizontal axis: D-Index, 30 to 111+. Vertical axis: number of scientists, 0 to 263. Most scientists, 263, have 32 D-Index. The last bar groups every scientist with 111 D-Index or more. The highlighted bar, 53 D-Index, is where this scientist sits. 30 D-Index: 178 scientists 31 D-Index: 257 scientists 32 D-Index: 263 scientists 33 D-Index: 262 scientists 34 D-Index: 244 scientists 35 D-Index: 236 scientists 36 D-Index: 211 scientists 37 D-Index: 220 scientists 38 D-Index: 214 scientists 39 D-Index: 214 scientists 40 D-Index: 205 scientists 41 D-Index: 187 scientists 42 D-Index: 194 scientists 43 D-Index: 201 scientists 44 D-Index: 155 scientists 45 D-Index: 189 scientists 46 D-Index: 148 scientists 47 D-Index: 160 scientists 48 D-Index: 134 scientists 49 D-Index: 130 scientists 50 D-Index: 141 scientists 51 D-Index: 156 scientists 52 D-Index: 108 scientists 53 D-Index: 130 scientists 54 D-Index: 112 scientists 55 D-Index: 97 scientists 56 D-Index: 111 scientists 57 D-Index: 102 scientists 58 D-Index: 108 scientists 59 D-Index: 120 scientists 60 D-Index: 103 scientists 61 D-Index: 93 scientists 62 D-Index: 92 scientists 63 D-Index: 74 scientists 64 D-Index: 77 scientists 65 D-Index: 73 scientists 66 D-Index: 64 scientists 67 D-Index: 69 scientists 68 D-Index: 60 scientists 69 D-Index: 39 scientists 70 D-Index: 57 scientists 71 D-Index: 59 scientists 72 D-Index: 46 scientists 73 D-Index: 49 scientists 74 D-Index: 38 scientists 75 D-Index: 35 scientists 76 D-Index: 32 scientists 77 D-Index: 35 scientists 78 D-Index: 31 scientists 79 D-Index: 22 scientists 80 D-Index: 34 scientists 81 D-Index: 31 scientists 82 D-Index: 34 scientists 83 D-Index: 23 scientists 84 D-Index: 18 scientists 85 D-Index: 30 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 20 scientists 89 D-Index: 8 scientists 90 D-Index: 17 scientists 91 D-Index: 7 scientists 92 D-Index: 14 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 12 scientists 97 D-Index: 10 scientists 98 D-Index: 10 scientists 99 D-Index: 12 scientists 100 D-Index: 16 scientists 101 D-Index: 5 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 8 scientists 105 D-Index: 9 scientists 106 D-Index: 13 scientists 107 D-Index: 4 scientists 108 D-Index: 5 scientists 109 D-Index: 10 scientists 110 D-Index: 8 scientists 111+ D-Index: 96 scientists
30 D-Index 111+

This scientist: 53 D-Index — 66th percentile

66% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 111 D-Index or more.

View D-Index distribution as a table
Number of Electronics and Electrical Engineering scientists by D-index, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
D-Index Scientists This scientist
30 178
31 257
32 263
33 262
34 244
35 236
36 211
37 220
38 214
39 214
40 205
41 187
42 194
43 201
44 155
45 189
46 148
47 160
48 134
49 130
50 141
51 156
52 108
53 130 53
54 112
55 97
56 111
57 102
58 108
59 120
60 103
61 93
62 92
63 74
64 77
65 73
66 64
67 69
68 60
69 39
70 57
71 59
72 46
73 49
74 38
75 35
76 32
77 35
78 31
79 22
80 34
81 31
82 34
83 23
84 18
85 30
86 19
87 19
88 20
89 8
90 17
91 7
92 14
93 9
94 15
95 10
96 12
97 10
98 10
99 12
100 16
101 5
102 7
103 7
104 8
105 9
106 13
107 4
108 5
109 10
110 8
111+ 96
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Overview

What is he best known for?

The fields of study he is best known for:

  • Semiconductor
  • Optoelectronics
  • Hydrogen

His main research concerns Optoelectronics, Photoluminescence, Heterojunction, Nanotechnology and Analytical chemistry. His research on Optoelectronics often connects related topics like Raman spectroscopy. His Photoluminescence research incorporates themes from Oxide, Luminescence, Nanocrystal, Transmission electron microscopy and Nanocrystalline material.

The Heterojunction study combines topics in areas such as Nanowire, Epitaxy, Diode and Photoconductivity. His Nanotechnology research is multidisciplinary, incorporating perspectives in Bistability and Energy conversion efficiency. His Analytical chemistry research integrates issues from Thin film, Electron diffraction, Mineralogy and Scanning electron microscope.

His most cited work include:

  • Multifunctional Au-ZnO Plasmonic Nanostructures for Enhanced UV Photodetector and Room Temperature NO Sensing Devices (219 citations)
  • Chemically reduced graphene oxide for ammonia detection at room temperature. (119 citations)
  • Nanocrystals for silicon-based light-emitting and memory devices (93 citations)

What are the main themes of his work throughout his whole career to date?

Samit K. Ray spends much of his time researching Optoelectronics, Photoluminescence, Analytical chemistry, Heterojunction and Nanotechnology. While the research belongs to areas of Optoelectronics, Samit K. Ray spends his time largely on the problem of Thin film, intersecting his research to questions surrounding Substrate. His study explores the link between Photoluminescence and topics such as Molecular beam epitaxy that cross with problems in Germanium.

His Analytical chemistry study combines topics from a wide range of disciplines, such as Oxide, Annealing and Electrical resistivity and conductivity. In Heterojunction, he works on issues like Photodetection, which are connected to Visible spectrum. His Silicon research includes elements of Doping, Epitaxy and Terahertz radiation.

He most often published in these fields:

  • Optoelectronics (71.33%)
  • Photoluminescence (26.22%)
  • Analytical chemistry (20.67%)

What were the highlights of his more recent work (between 2018-2021)?

  • Optoelectronics (71.33%)
  • Heterojunction (25.33%)
  • Photodetector (13.33%)

In recent papers he was focusing on the following fields of study:

Samit K. Ray focuses on Optoelectronics, Heterojunction, Photodetector, Photodetection and Plasmon. The study incorporates disciplines such as Nanocrystal and Graphitic carbon nitride in addition to Optoelectronics. His research in Heterojunction intersects with topics in Nanocomposite, Silicon, Absorption, Non-blocking I/O and Absorption spectroscopy.

His Photodetection study incorporates themes from Broadband and Visible spectrum. The various areas that he examines in his Plasmon study include Nanoparticle, Exciton, Semiconductor and Dielectric. His Photoluminescence research includes themes of Luminescence, Thin film, Diode and Electroluminescence.

Between 2018 and 2021, his most popular works were:

  • Application of tungsten disulfide quantum dot-conjugated antimicrobial peptides in bio-imaging and antimicrobial therapy. (16 citations)
  • MoSe2–Cu2S Vertical p–n Nanoheterostructures for High-Performance Photodetectors (11 citations)
  • MoSe2–Cu2S Vertical p–n Nanoheterostructures for High-Performance Photodetectors (11 citations)

In his most recent research, the most cited papers focused on:

  • Semiconductor
  • Hydrogen
  • Photon

His primary areas of study are Optoelectronics, Heterojunction, Photodetection, Photodetector and Responsivity. His Optoelectronics study frequently links to related topics such as Nanoparticle. Samit K. Ray has researched Heterojunction in several fields, including Light emission, Electroluminescence, Surface, White light and Photoluminescence.

His work carried out in the field of Photoluminescence brings together such families of science as Ion implantation, Raman spectroscopy and Photochemistry. His Photodetection research incorporates elements of Electron mobility, Work function, Electrical resistivity and conductivity, Band gap and Quantum efficiency. His Responsivity research is multidisciplinary, relying on both Ohmic contact, Dark current, Silicon and Band offset.

Best Publications

  • Multifunctional Au-ZnO Plasmonic Nanostructures for Enhanced UV Photodetector and Room Temperature NO Sensing Devices

    Narendar Gogurla;Arun Kumar Sinha;Sumita Santra;Santanu Manna

  • Molecular Markers in Phylogenetic Studies-A Review

    An;Patwardhan;Samit Ray;Amit Roy

  • Chemically reduced graphene oxide for ammonia detection at room temperature.

    Ruma Ghosh;Anupam Midya;Sumita Santra;Samit K. Ray

  • Novel Colloidal MoS2 Quantum Dot Heterojunctions on Silicon Platforms for Multifunctional Optoelectronic Devices.

    Subhrajit Mukherjee;Rishi Maiti;Ajit K. Katiyar;Soumen Das

  • Tunable Direct Bandgap Optical Transitions in MoS2 Nanocrystals for Photonic Devices

    Subhrajit Mukherjee;Rishi Maiti;Anupam Midya;Soumen Das

  • CMOS integration of inkjet-printed graphene for humidity sensing.

    S. Santra;G. Hu;R. C. T. Howe;A. De Luca

  • Graphene-Silver-Induced Self-Polarized PVDF-Based Flexible Plasmonic Nanogenerator Toward the Realization for New Class of Self Powered Optical Sensor

    Tridib Kumar Sinha;Sujoy Kumar Ghosh;Rishi Maiti;Santanu Jana;Santanu Jana

  • Hydrothermal growth of few layer 2H-MoS2 for heterojunction photodetector and visible light induced photocatalytic applications

    Anupam Midya;Arup Ghorai;Subhrajit Mukherjee;Rishi Maiti

  • Nanocrystals for silicon-based light-emitting and memory devices

    S K Ray;S Maikap;W Banerjee;S Das

  • Highly sensitive large-area multi-layered graphene-based flexible ammonia sensor

    Ruma Ghosh;Arvinder Singh;Sumita Santra;Samit K. Ray

  • CdS-Decorated ZnO Nanorod Heterostructures for Improved Hybrid Photovoltaic Devices

    Tamita Rakshit;Suvra P. Mondal;Indranil Manna;Samit K. Ray

  • Transparent and flexible resistive switching memory devices with a very?high ON/OFF ratio using gold nanoparticles embedded in a silk protein matrix

    Narendar Gogurla;Suvra P Mondal;Suvra P Mondal;Arun K Sinha;Ajit K Katiyar

  • Properties of silicon dioxide films deposited at low temperatures by microwave plasma enhanced decomposition of tetraethylorthosilicate

    S. K. Ray;C. K. Maiti;S. K. Lahiri;N. B. Chakrabarti

  • High Efficiency Si/CdS Radial Nanowire Heterojunction Photodetectors Using Etched Si Nanowire Templates

    Santanu Manna;Samaresh Das;Suvra P. Mondal;Rajkumar Singha

  • Two‐Dimensional Piezoelectric MoS2‐Modulated Nanogenerator and Nanosensor Made of Poly(vinlydine Fluoride) Nanofiber Webs for Self‐Powered Electronics and Robotics

    Kuntal Maity;Biswajit Mahanty;Tridib Kumar Sinha;Samiran Garain

  • Strained silicon heterostructures : materials and devices

    C. K Maiti;N. B Chakrabarti;S. K. Ray

  • Highly Luminescent WS2 Quantum Dots/ZnO Heterojunctions for Light Emitting Devices.

    Arup Ghorai;Sayan Bayan;Narendar Gogurla;Anupam Midya

  • The effect of substrate temperature on the properties of ITO thin films for OLED applications

    V Sivaji Reddy;K Das;A Dhar;S K Ray

  • Single Si nanowire (diameter ≤ 100 nm) based polarization sensitive near-infrared photodetector with ultra-high responsivity

    K. Das;S. Mukherjee;S. Manna;S. K. Ray

  • Novel silicon compatible p-WS2 2D/3D heterojunction devices exhibiting broadband photoresponse and superior detectivity

    Rup K. Chowdhury;Rishi Maiti;Arup Ghorai;Anupam Midya

Frequent Co-Authors

Indranil Manna
Indranil Manna Indian Institute of Technology Kharagpur
Sanjay K. Banerjee
Sanjay K. Banerjee The University of Texas at Austin
A. K. Raychaudhuri
A. K. Raychaudhuri Indian Institute of Science
Lorenzo Pavesi
Lorenzo Pavesi University of Trento
Tamal K. Dey
Tamal K. Dey Purdue University West Lafayette
Jyotsna Dutta Majumdar
Jyotsna Dutta Majumdar Indian Institute of Technology Kharagpur
Samir Kumar Pal
Samir Kumar Pal S.N. Bose National Centre for Basic Sciences
Subhas C. Kundu
Subhas C. Kundu University of Minho
K. L. Chopra
K. L. Chopra Indian Institute of Technology Delhi
Kumar Biradha
Kumar Biradha Indian Institute of Technology Kharagpur

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