J. C. Roberts

6.9k total citations · 1 hit paper
162 papers, 4.9k citations indexed

About

J. C. Roberts is a scholar working on Condensed Matter Physics, Electrical and Electronic Engineering and Electronic, Optical and Magnetic Materials. According to data from OpenAlex, J. C. Roberts has authored 162 papers receiving a total of 4.9k indexed citations (citations by other indexed papers that have themselves been cited), including 79 papers in Condensed Matter Physics, 65 papers in Electrical and Electronic Engineering and 31 papers in Electronic, Optical and Magnetic Materials. Recurrent topics in J. C. Roberts's work include GaN-based semiconductor devices and materials (79 papers), Semiconductor materials and devices (29 papers) and Ga2O3 and related materials (29 papers). J. C. Roberts is often cited by papers focused on GaN-based semiconductor devices and materials (79 papers), Semiconductor materials and devices (29 papers) and Ga2O3 and related materials (29 papers). J. C. Roberts collaborates with scholars based in United States, United Kingdom and Hong Kong. J. C. Roberts's co-authors include E. L. Piner, S. M. Bedair, N. A. El-Masry, M. J. Reed, K. J. Linthicum, C. A. Parker, P. Rajagopal, J. W. Johnson, F. Ren and S. J. Pearton and has published in prestigious journals such as Journal of the American Chemical Society, Applied Physics Letters and Journal of Applied Physics.

In The Last Decade

J. C. Roberts

154 papers receiving 4.6k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Room temperature ferromagnetic properties of (Ga, Mn)N

2001 572 citations N. A. El-Masry, J. C. Roberts et al. Applied Physics Letters profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
J. C. Roberts United States	39	2.5k	2.0k	1.4k	1.3k	954	162	4.9k
R. Zamboni Italy	43	284 0.1×	2.7k 1.3×	1.6k 1.1×	602 0.5×	1.1k 1.1×	252	6.5k
H. Ōyanagi Japan	33	1.9k 0.7×	1.2k 0.6×	2.1k 1.5×	1.5k 1.1×	395 0.4×	291	4.9k
Sigfrid Svensson France	22	733 0.3×	583 0.3×	3.2k 2.3×	1.4k 1.1×	325 0.3×	90	6.2k
Peter A. Kralchevsky Bulgaria	51	749 0.3×	1.5k 0.8×	4.9k 3.5×	458 0.4×	1.9k 2.0×	177	9.8k
Sukeji Kachi Japan	33	755 0.3×	832 0.4×	1.6k 1.2×	1.3k 1.0×	236 0.2×	245	4.4k
Ger J. M. Koper Netherlands	38	338 0.1×	863 0.4×	1.5k 1.0×	345 0.3×	1.1k 1.2×	147	5.6k
Jong‐Soo Lee South Korea	47	520 0.2×	7.3k 3.7×	9.9k 7.1×	2.1k 1.7×	1.4k 1.5×	174	12.5k
J. P. Wilcoxon United States	42	271 0.1×	1.3k 0.6×	4.3k 3.1×	1.6k 1.3×	1.4k 1.5×	94	6.6k
Qing He China	41	1.5k 0.6×	2.0k 1.0×	7.3k 5.2×	6.7k 5.3×	1.3k 1.4×	101	9.8k

Countries citing papers authored by J. C. Roberts

Since Specialization

Citations

This map shows the geographic impact of J. C. Roberts'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 J. C. Roberts with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites J. C. Roberts more than expected).

Fields of papers citing papers by J. C. Roberts

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J. C. Roberts. 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 J. C. Roberts. The network helps show where J. C. Roberts may publish in the future.

Co-authorship network of co-authors of J. C. Roberts

This figure shows the co-authorship network connecting the top 25 collaborators of J. C. Roberts. A scholar is included among the top collaborators of J. C. Roberts based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with J. C. Roberts. J. C. Roberts is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Roberts, J. C.. (2014). Lateral GaN Transistors - A Replacement for IGBT devices in Automotive Applications. 1–8. 7 indexed citations

Huang, Sen, Shu Yang, J. C. Roberts, & Kevin J. Chen. (2012). Characterization of V_th‐instability in Al₂O₃/GaN/AlGaN/GaN MIS‐HEMTs by quasi‐static C‐V measurement. Physica status solidi. C, Conferences and critical reviews/Physica status solidi. C, Current topics in solid state physics. 9(3-4). 923–926. 28 indexed citations

Gokhale, Vikrant J., J. C. Roberts, & Mina Rais‐Zadeh. (2012). SENSITIVE UNCOOLED IR DETECTORS USING GALLIUM NITRIDE RESONATORS AND SILICON NITRIDE ABSORBERS. 46–49. 11 indexed citations

Ansari, Azadeh, et al.. (2011). Gallium nitride-on-silicon micromechanical overtone resonators and filters. 20.3.1–20.3.4. 34 indexed citations

Huang, Sen, Shu Yang, J. C. Roberts, & Kevin J. Chen. (2011). Threshold Voltage Instability in Al₂O₃/GaN/AlGaN/GaN Metal–Insulator–Semiconductor High-Electron Mobility Transistors. Japanese Journal of Applied Physics. 50(11R). 110202–110202. 57 indexed citations

Castner, Stacy A., Jeffrey L. Arriza, J. C. Roberts, et al.. (2010). Reversal of Ketamine-Induced Working Memory Impairments by the GABAAα2/3 Agonist TPA023. Biological Psychiatry. 67(10). 998–1001. 31 indexed citations

Kang, B. S., Tanmay P. Lele, F. Ren, et al.. (2008). c-erbB-2 sensing using AlGaN∕GaN high electron mobility transistors for breast cancer detection. Applied Physics Letters. 92(19). 58 indexed citations

Chung, Jin Wook, E. L. Piner, J. C. Roberts, & Tomás Palacios. (2008). New Technologies for Improving the High Frequency Performance of AlGaN/GaN High Electron Mobility Transistors. 18. 66–71. 2 indexed citations

Wang, H. T., B. S. Kang, F. Ren, et al.. (2007). Electrical detection of kidney injury molecule-1 with AlGaN∕GaN high electron mobility transistors. Applied Physics Letters. 91(22). 45 indexed citations

10.

Steckl, A. J., et al.. (2006). Growth temperature dependence of optical modal gain and loss in GaN:Eu active medium on Si. Optics Express. 14(12). 5307–5307. 3 indexed citations

11.

Singhal, Sameer, J. C. Roberts, P. Rajagopal, et al.. (2006). GaN-ON-Si Failure Mechanisms and Reliability Improvements. 95–98. 46 indexed citations

12.

Johnson, J. W., Ji‐Xing Gao, R. Therrien, et al.. (2004). Material, process, and device development of GaN-based HFETs on silicon substrates. 405–419. 31 indexed citations

13.

Koskela, Juha, et al.. (2003). The use of nonionic galactomannan polysaccharides for stabilisation of ASA emulsions. Appita journal. 56(3). 213–217. 5 indexed citations

14.

Irving, Elaine, Sarah J. Hadingham, J. C. Roberts, et al.. (2000). Decreased nuclear factor-κB DNA binding activity following permanent focal cerebral ischaemia in the rat. Neuroscience Letters. 288(1). 45–48. 20 indexed citations

15.

Roberts, J. C.. (1997). A Review of Advances in Internal Sizing of Paper. 5 indexed citations

16.

McIntosh, F. G., E. L. Piner, J. C. Roberts, et al.. (1997). Epitaxial deposition of GaInN and InN using the rotating susceptor ALE system. Applied Surface Science. 112. 98–101. 13 indexed citations

17.

Piner, E. L., N. A. El-Masry, F. G. McIntosh, et al.. (1997). Effect of hydrogen on the indium incorporation in InGaN epitaxial films. Applied Physics Letters. 70(4). 461–463. 109 indexed citations

18.

Harland, R., et al.. (1979). An MOS Transistor Model for a Micro-Mini Computer based Circuit Analysis System. European Solid-State Circuits Conference. 56–57. 1 indexed citations

19.

Roberts, J. C., et al.. (1970). Studies in mycological chemistry. Part XXIV. Synthesis of ochratoxin A, a metabolite of Aspergillus ochraceus Wilh.. Journal of the Chemical Society C Organic. 2(2). 278–278. 8 indexed citations

20.

Rance, Michael J. & J. C. Roberts. (1969). Total synthesis of (±)-dihydro-o-methylsterigmatocystin. Tetrahedron Letters. 10(4). 277–278. 8 indexed citations

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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