World's Best Scientists 2026 revealed!
Roger Loo

Roger Loo

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Electronics and Electrical Engineering 43 3848 3693 86 83 552 9082
Materials Science 43 12235 11832 143 139 556 9033

Roger Loo publications per year

The chart shows the history of publications by Roger Loo between 1972 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Roger Loo published across 54 years, from 1972 to 2025, averaging 12 papers a year. Output peaked at 40 publications in 2013. 60 of the 647 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1972 to 2025. Vertical axis: number of publications, 0 to 40. Peak 40 publications in 2013. 1972: 3 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 2 publications 1981: 1 publication 1982: 0 publications 1983: 1 publication 1984: 1 publication 1985: 0 publications 1986: 1 publication 1987: 1 publication 1988: 2 publications 1989: 0 publications 1990: 1 publication 1991: 1 publication 1992: 1 publication 1993: 0 publications 1994: 1 publication 1995: 6 publications 1996: 5 publications 1997: 4 publications 1998: 4 publications 1999: 5 publications 2000: 5 publications 2001: 8 publications 2002: 6 publications 2003: 7 publications 2004: 19 publications 2005: 20 publications 2006: 34 publications 2007: 30 publications 2008: 34 publications 2009: 32 publications 2010: 34 publications 2011: 32 publications 2012: 30 publications 2013: 40 publications 2014: 37 publications 2015: 18 publications 2016: 30 publications 2017: 22 publications 2018: 24 publications 2019: 21 publications 2020: 14 publications 2021: 16 publications 2022: 16 publications 2023: 18 publications 2024: 26 publications 2025: 34 publications
1972 2025

647 publications in total across all disciplines

View publications per year as a table
Roger Loo: publications per year, 1972 to 2025
Year Publications
1972 3
1973 0
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 2
1981 1
1982 0
1983 1
1984 1
1985 0
1986 1
1987 1
1988 2
1989 0
1990 1
1991 1
1992 1
1993 0
1994 1
1995 6
1996 5
1997 4
1998 4
1999 5
2000 5
2001 8
2002 6
2003 7
2004 19
2005 20
2006 34
2007 30
2008 34
2009 32
2010 34
2011 32
2012 30
2013 40
2014 37
2015 18
2016 30
2017 22
2018 24
2019 21
2020 14
2021 16
2022 16
2023 18
2024 26
2025 34
Total 647
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Roger Loo 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 Roger Loo 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, 534–553 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: 552 publications — 88th percentile

88% 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
534–553 92 552
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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Roger Loo 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 Roger Loo 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, 43 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: 43 D-Index — 45th percentile

45% 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 43
44 155
45 189
46 148
47 160
48 134
49 130
50 141
51 156
52 108
53 130
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

Roger Loo is affiliated with Imec in Belgium and has contributed extensively to research in engineering and physics. Their work focuses primarily on semiconductor materials, devices, and interfaces, as well as silicon and solar cell technologies. Their research spans various subfields including electrical and electronic engineering, atomic and molecular physics and optics, biomedical engineering, materials chemistry, and surfaces, coatings, and films.

The scientist's main research topics include:

  • Semiconductor materials and devices
  • Silicon and Solar Cell Technologies
  • Advancements in Semiconductor Devices and Circuit Design
  • Semiconductor materials and interfaces
  • Thin-Film Transistor Technologies
  • Photonic and Optical Devices
  • Nanowire Synthesis and Applications

Roger Loo has published papers in a range of venues with notable frequency in ECS Meeting Abstracts and ECS Transactions. Other frequent publication venues include ECS Journal of Solid State Science and Technology, Japanese Journal of Applied Physics, and IEEE Transactions on Electron Devices.

Recent papers authored or co-authored by Loo include:

  • "Wafer-scale Ge epitaxial foils grown at high growth rates and released from porous substrates for triple-junction solar cells," 2022, Progress in Photovoltaics Research and Applications
  • "Demonstration of 3D sequential FD-SOI on CMOS FinFET stacking featuring low temperature Si layer transfer and top tier device fabrication with tier interconnections," 2022, 2022 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits)
  • "Simultaneous Dimensional and Analytical Characterization of Ordered Nanostructures," 2021, Small
  • "Scaled FinFETs Connected by Using Both Wafer Sides for Routing via Buried Power Rails," 2022, IEEE Transactions on Electron Devices
  • "(Invited) Stress Simulations of Fins, Wires, and Nanosheets," 2020, ECS Transactions

Frequent collaborators in their research include Clément Porret, Andriy Hikavyy, Erik Rosseel, Naoto Horiguchi, and Gianluca Rengo. These collaborations have supported work across multiple domains of device fabrication, characterization, and semiconductor process innovations.

Best Publications

  • Undoped and in-situ B doped GeSn epitaxial growth on Ge by atmospheric pressure-chemical vapor deposition

    Benjamin Vincent;Federica Gencarelli;Hugo Bender;Clement Merckling

  • Crystalline Properties and Strain Relaxation Mechanism of CVD Grown GeSn

    F. Gencarelli;B. Vincent;J. Demeulemeester;A. Vantomme

  • GeSn/Ge heterostructure short-wave infrared photodetectors on silicon

    Alban Gassenq;F Gencarelli;J Van Campenhout;Y Shimura

  • Multiple gate semiconductor device and method for forming same

    Anil Kottantharayil;Roger Loo

  • Fabrication and Analysis of a ${ m Si}/{ m Si}_{0.55}{ m Ge}_{0.45}$ Heterojunction Line Tunnel FET

    Amey M. Walke;Anne Vandooren;Rita Rooyackers;Daniele Leonelli

  • Germanium-on-Silicon Mid-Infrared Arrayed Waveguide Grating Multiplexers

    Aditya Malik;Muhammad Muneeb;Shibnath Pathak;Yosuke Shimura

  • Analysis of trap-assisted tunneling in vertical Si homo-junction and SiGe hetero-junction Tunnel-FETs

    A. Vandooren;D. Leonelli;R. Rooyackers;A. Hikavyy

  • Characterization of GeSn materials for future Ge pMOSFETs source/drain stressors

    B. Vincent;Y. Shimura;S. Takeuchi;T. Nishimura

  • Silicon-Based Photonic Integration Beyond the Telecommunication Wavelength Range

    Gunther Roelkens;Utsav Dave;Alban Gassenq;Nannicha Hattasan

  • Record I ON /I OFF performance for 65nm Ge pMOSFET and novel Si passivation scheme for improved EOT scalability

    J. Mitard;B. De Jaeger;F.E. Leys;G. Hellings

  • Site Selective Integration of III–V Materials on Si for Nanoscale Logic and Photonic Devices

    Mohanchand Paladugu;Clement Merckling;Roger Loo;Olivier Richard

  • Ge-on-Si and Ge-on-SOI thermo-optic phase shifters for the mid-infrared

    Aditya Malik;Sarvagya Dwivedi;Liesbet Van Landschoot;Muhammad Muneeb

  • High Quality Ge Virtual Substrates on Si Wafers with Standard STI Patterning

    R. Loo;G. Wang;L. Souriau;J. C. Lin

  • A model of threading dislocation density in strain-relaxed Ge and GaAs epitaxial films on Si (100)

    G. Wang;R. Loo;E. Simoen;L. Souriau

  • Low-temperature Ge and GeSn Chemical Vapor Deposition using Ge2H6

    Federica Gencarelli;B Vincent;L Souriau;O Richard

  • Challenges and opportunities in advanced Ge pMOSFETs

    E Simoen;J Mitard;Geert Hellings;Geert Eneman

  • Silicon-based heterogeneous photonic integrated circuits for the mid-infrared

    Gunther Roelkens;Utsav Dave;Alban Gassenq;Nannicha Hattasan

  • Selective area growth of high quality InP on Si (001) substrates

    Gang Wang;Maarten Leys;Roger Loo;Olivier Richard

  • Germanium-on-silicon planar concave grating wavelength (de)multiplexers in the mid-infrared

    Aditya Malik;Muhammad Muneeb;Yosuke Shimura;Joris Van Campenhout

  • Successful Selective Epitaxial Si1 − x Ge x Deposition Process for HBT-BiCMOS and High Mobility Heterojunction pMOS Applications

    R. Loo;M. Caymax;I. Peytier;S. Decoutere

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