Dennis E. Walker

2.8k citations

80 papers · 2.2k · h-index 23

Impact in

Condensed Matter Physics top 2%
- GaN-based semiconductor devices and materials
Electronic, Optical and Magnetic Materials top 2%
- Ga2O3 and related materials

Papers in

Electrical and Electronic Engineering 44
- Semiconductor materials and devices 14
- Silicon Carbide Semiconductor Technologies 12
Condensed Matter Physics 35
- GaN-based semiconductor devices and materials 35

Co-authors: Kelson D. Chabak (33 shared papers)Vasily N. Astratov (16 shared papers)Nicholaos I. Limberopoulos (15 shared papers)Antonio Crespo (20 shared papers)Gregg H. Jessen (15 shared papers)Robert Fitch (18 shared papers)Andrew J. Green (12 shared papers)Kevin Leedy (10 shared papers)
Journals: IEEE Electron Device Letters (12 papers)Applied Physics Letters (8 papers)Journal of Vacuum Science & Technology B Nanotechnology and Microelectronics Materials Processing Measurement and Phenomena (3 papers)Journal of Applied Physics (3 papers)Analytical Chemistry (3 papers)
Partner nations: United States United Kingdom Germany

In The Last Decade

Dennis E. Walker

72 papers receiving 2.1k citations

Peers

Countries citing papers authored by Dennis E. Walker

Since Specialization

Citations

This map shows the geographic impact of Dennis E. Walker's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Dennis E. Walker with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Dennis E. Walker more than expected).

Fields of papers citing papers by Dennis E. Walker

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Dennis E. Walker. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Dennis E. Walker. The network helps show where Dennis E. Walker may publish in the future.

Co-authors

The 25 scholars most cited alongside Dennis E. Walker, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Dennis E. Walker Line = papers co-authored together Dennis E. Walker links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 80 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Enhancement-mode Ga2O3 wrap-gate fin field-effect transistors on native (100) β-Ga2O3 substrate with high breakdown voltage Applied Physics Letters ·Kelson D. Chabak, Neil Moser, Andrew J. Green, Dennis E. Walker, Stephen E. Tetlak, Eric R. Heller, Antonio Crespo, Robert Fitch, Jonathan P. McCandless, Kevin Leedy, M. Baldini, G. Wagner, Zbigniew Galazka, Xiuling Li, Gregg H. Jessen	2016	330
2	Advantages of microsphere-assisted super-resolution imaging technique over solid immersion lens and confocal microscopies Applied Physics Letters ·Arash Darafsheh, Nicholaos I. Limberopoulos, John S. Derov, Dennis E. Walker, Vasily N. Astratov	2014	187
3	Flexible Gallium Nitride for High‐Performance, Strainable Radio‐Frequency Devices Advanced Materials ·Nicholas R. Glavin, Kelson D. Chabak, Eric R. Heller, Elizabeth A. Moore, Tim Prusnick, Benji Maruyama, Dennis E. Walker, Donald L. Dorsey, Qing Paduano, Michael Snure	2017	123
4	Super‐resolution microscopy by movable thin‐films with embedded microspheres: Resolution analysis Annalen der Physik ·Kenneth W. Allen, Navid Farahi, Yangcheng Li, Nicholaos I. Limberopoulos, Dennis E. Walker, Augustine Urbas, Vladimir Liberman, Vasily N. Astratov	2015	113
5	ScAlN/GaN High-Electron-Mobility Transistors With 2.4-A/mm Current Density and 0.67-S/mm Transconductance IEEE Electron Device Letters ·Andrew J. Green, J. Gillespie, Robert Fitch, Dennis E. Walker, Miles Lindquist, Antonio Crespo, Dan Brooks, Edward Beam, Andy Xie, V. Kumar, J. L. Jiménez, Cathy Lee, Yu Cao, Kelson D. Chabak, Gregg H. Jessen	2019	107
6	Lateral β-Ga₂O₃ field effect transistors Semiconductor Science and Technology ·Kelson D. Chabak, Kevin Leedy, Andrew J. Green, Shin Mou, Adam T. Neal, Thaddeus J. Asel, Eric R. Heller, Nolan S. Hendricks, Kyle J. Liddy, Antonio Crespo, Nicholas C. Miller, Miles Lindquist, Neil Moser, Robert Fitch, Dennis E. Walker, Donald L. Dorsey, Gregg H. Jessen	2019	102
7	Surface roughening in ion implanted 4H-silicon carbide Journal of Electronic Materials ·M. A. Capano, Sei‐Hyung Ryu, James A. Cooper, M. R. Melloch, K. Rottner, Stefan Karlsson, N. Nordell, A. Powell, Dennis E. Walker	1999	93
8	High-Power Ka-Band Performance of AlInN/GaN HEMT With 9.8-nm-Thin Barrier IEEE Electron Device Letters ·Antonio Crespo, Mark Bellot, Kelson D. Chabak, J. Gillespie, Gregg H. Jessen, V. Miller, Manuel Trejo, G. D. Via, Dennis E. Walker, B. Winningham, H. E. SMITH, Tim Cooper, Xiaoqin Gao, Shiping Guo	2009	89
9	Coupling of Epsilon-Near-Zero Mode to Gap Plasmon Mode for Flat-Top Wideband Perfect Light Absorption ACS Photonics ·Joshua R. Hendrickson, Shivashankar Vangala, Chandriker Kavir Dass, Ricky Gibson, John Goldsmith, Kevin Leedy, Dennis E. Walker, Justin W. Cleary, Wonkyu Kim, Junpeng Guo	2018	87
10	Overcoming the diffraction limit of imaging nanoplasmonic arrays by microspheres and microfibers Optics Express ·Kenneth W. Allen, Navid Farahi, Yangcheng Li, Nicholaos I. Limberopoulos, Dennis E. Walker, Augustine Urbas, Vasily N. Astratov	2015	83
11	Enhanced photodetection in graphene-integrated photonic crystal cavity Applied Physics Letters ·Ren-Jye Shiue, Xuetao Gan, Yuanda Gao, Luozhou Li, Xinwen Yao, Attila Szep, Dennis E. Walker, James Hone, Dirk Englund	2013	73
12	RF Power Performance of Sc(Al,Ga)N/GaN HEMTs at Ka-Band IEEE Electron Device Letters ·Andrew J. Green, Neil Moser, Nicholas C. Miller, Kyle J. Liddy, Miles Lindquist, Michael Elliot, J. Gillespie, Robert Fitch, Ryan Gilbert, Dennis E. Walker, Elizabeth Werner, Antonio Crespo, Edward Beam, Andy Xie, Cathy Lee, Yu Cao, Kelson D. Chabak	2020	67
13	Full-Wafer Characterization of AlGaN/GaN HEMTs on Free-Standing CVD Diamond Substrates IEEE Electron Device Letters ·Kelson D. Chabak, J. Gillespie, V. Miller, Antonio Crespo, J.A. Roussos, Manuel Trejo, Dennis E. Walker, G. D. Via, Gregg H. Jessen, J. Wasserbauer, Firooz Faili, D.I. Babic, Daniel Francis, Felix Ejeckam	2009	55
14	Implementation of High-Power-Density <inline-formula> <tex-math notation="LaTeX">$X$ </tex-math></inline-formula>-Band AlGaN/GaN High Electron Mobility Transistors in a Millimeter-Wave Monolithic Microwave Integrated Circuit Process IEEE Electron Device Letters ·Robert Fitch, Dennis E. Walker, Andrew J. Green, Stephen E. Tetlak, J. Gillespie, Ryan Gilbert, K. Sutherlin, William Gouty, James P. Theimer, G. D. Via, Kelson D. Chabak, Gregg H. Jessen	2015	53
15	High-Speed Planar GaAs Nanowire Arrays with f_max > 75 GHz by Wafer-Scale Bottom-up Growth Nano Letters ·Xin Miao, Kelson D. Chabak, Chen Zhang, Parsian K. Mohseni, Dennis E. Walker, Xiuling Li	2014	52
16	Thermal Properties of AlGaN/GaN HFETs on Bulk GaN Substrates IEEE Electron Device Letters ·N. Killat, (unknown), James W. Pomeroy, T. Paskova, K. R. Evans, Jacob H. Leach, X. Li, (unknown), H. Morkoç̌, Kelson D. Chabak, Antonio Crespo, J. Gillespie, Robert Fitch, Mauricio Kossler, Dennis E. Walker, Manuel Trejo, G. D. Via, J. D. Blevins, Martin Kuball	2012	49
17	Sub-Micron Gallium Oxide Radio Frequency Field-Effect Transistors Kelson D. Chabak, Dennis E. Walker, A.J. Green, Antonio Crespo, Miles Lindquist, Kevin Leedy, Stephen E. Tetlak, Ryan Gilbert, Neil Moser, Gregg H. Jessen	2018	43
18	Pulsed Power Performance of β-Ga₂O₃ MOSFETs at L-Band IEEE Electron Device Letters ·Neil Moser, Tadj Asel, Kyle J. Liddy, Miles Lindquist, Nicholas C. Miller, Shin Mou, Adam T. Neal, Dennis E. Walker, Steve Tetlak, Kevin Leedy, Gregg H. Jessen, Andrew J. Green, Kelson D. Chabak	2020	41
19	Enhancement of resolution in microspherical nanoscopy by coupling of fluorescent objects to plasmonic metasurfaces Applied Physics Letters ·Aaron Brettin, Farzaneh Abolmaali, Kylen F. Blanchette, Cobey L. McGinnis, Yuri E. Nesmelov, Nicholaos I. Limberopoulos, Dennis E. Walker, Igor Anisimov, Augustine Urbas, Luiz Poffo, A. V. Maslov, Vasily N. Astratov	2019	37
20	High-Performance AlN/GaN HEMTs on Sapphire Substrate With an Oxidized Gate Insulator IEEE Electron Device Letters ·Kelson D. Chabak, Dennis E. Walker, Michael R. Johnson, Antonio Crespo, A. M. Dabiran, David J. Smith, A. M. Wowchak, Stephen K. Tetlak, Mauricio Kossler, J. Gillespie, Robert Fitch, Manuel Trejo	2011	33

About Dennis E. Walker

Dennis E. Walker is a scholar working on Electrical and Electronic Engineering, Condensed Matter Physics, Biomedical Engineering, Atomic and Molecular Physics, and Optics and Electronic, Optical and Magnetic Materials, having authored 80 papers that have together received 2.2k indexed citations. Recurring topics across this work include GaN-based semiconductor devices and materials (35 papers), Plasmonic and Surface Plasmon Research (17 papers), Photonic Crystals and Applications (17 papers), Near-Field Optical Microscopy (15 papers), Ga2O3 and related materials (15 papers), Semiconductor materials and devices (14 papers), Silicon Carbide Semiconductor Technologies (12 papers) and ZnO doping and properties (9 papers). The work is most often cited by research in Condensed Matter Physics (752 citations), Electronic, Optical and Magnetic Materials (917 citations), Biophysics (200 citations), Biomedical Engineering (876 citations) and Materials Chemistry (847 citations). Dennis E. Walker has collaborated with scholars based in United States, United Kingdom and Germany. Frequent co-authors include Kelson D. Chabak, Vasily N. Astratov, Nicholaos I. Limberopoulos, Antonio Crespo, Gregg H. Jessen, Robert Fitch, Andrew J. Green, Kevin Leedy, J. Gillespie and Neil Moser. Their work appears in journals such as IEEE Electron Device Letters, Applied Physics Letters, Journal of Vacuum Science & Technology B Nanotechnology and Microelectronics Materials Processing Measurement and Phenomena, Journal of Applied Physics and Analytical Chemistry.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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