K. C. Rajkumar

1.2k total citations · 1 hit paper
41 papers, 993 citations indexed

About

K. C. Rajkumar is a scholar working on Electrical and Electronic Engineering, Atomic and Molecular Physics, and Optics and Control and Systems Engineering. According to data from OpenAlex, K. C. Rajkumar has authored 41 papers receiving a total of 993 indexed citations (citations by other indexed papers that have themselves been cited), including 27 papers in Electrical and Electronic Engineering, 23 papers in Atomic and Molecular Physics, and Optics and 8 papers in Control and Systems Engineering. Recurrent topics in K. C. Rajkumar's work include Semiconductor Quantum Structures and Devices (23 papers), Microgrid Control and Optimization (7 papers) and Multilevel Inverters and Converters (6 papers). K. C. Rajkumar is often cited by papers focused on Semiconductor Quantum Structures and Devices (23 papers), Microgrid Control and Optimization (7 papers) and Multilevel Inverters and Converters (6 papers). K. C. Rajkumar collaborates with scholars based in United States, India and United Kingdom. K. C. Rajkumar's co-authors include A. Madhukar, Supratik Guha, Daniel H. Rich, P. Parthiban, Li Chen, A. Madhukar, R. Kapre, Kottil Rammohan, F. J. Grunthaner and A. Konkar and has published in prestigious journals such as Applied Physics Letters, Journal of Applied Physics and Journal of Crystal Growth.

In The Last Decade

K. C. Rajkumar

36 papers receiving 947 citations

Hit Papers

Onset of incoherency and defect introduction in the initi... 1990 2026 2002 2014 1990 100 200 300 400 500
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.

  1. Onset of incoherency and defect introduction in the initial stages of molecular beam epitaxical growth of highly strained InxGa1−xAs on GaAs(100)
    1990 537 citations Supratik Guha, A. Madhukar 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 Career Trend Papers Cites
K. C. Rajkumar United States 15 826 709 294 173 147 41 993
Vasily Cherepanov Germany 17 581 0.7× 265 0.4× 312 1.1× 177 1.0× 77 0.5× 45 752
J. P. Stagg United Kingdom 13 335 0.4× 552 0.8× 151 0.5× 96 0.6× 87 0.6× 27 661
L. E. Ramos Germany 17 242 0.3× 363 0.5× 491 1.7× 219 1.3× 132 0.9× 27 726
A. Martı́nez United Kingdom 18 351 0.4× 821 1.2× 201 0.7× 245 1.4× 114 0.8× 107 1.1k
Kian Hua Tan Singapore 14 492 0.6× 582 0.8× 125 0.4× 210 1.2× 121 0.8× 84 717
Otto Leistiko Denmark 15 337 0.4× 855 1.2× 174 0.6× 218 1.3× 39 0.3× 43 1.0k
D.F. Reyes Spain 16 458 0.6× 424 0.6× 235 0.8× 113 0.7× 89 0.6× 61 586
Tanya Blank Israel 12 185 0.2× 389 0.5× 127 0.4× 127 0.7× 80 0.5× 44 502
John A. Lebens United States 13 406 0.5× 267 0.4× 134 0.5× 71 0.4× 151 1.0× 18 507
H. Welsch Germany 13 565 0.7× 535 0.8× 228 0.8× 242 1.4× 63 0.4× 22 818

Countries citing papers authored by K. C. Rajkumar

Since Specialization
Citations

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

Fields of papers citing papers by K. C. Rajkumar

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of K. C. Rajkumar

This figure shows the co-authorship network connecting the top 25 collaborators of K. C. Rajkumar. A scholar is included among the top collaborators of K. C. Rajkumar 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 K. C. Rajkumar. K. C. Rajkumar is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
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Rajkumar, K. C., et al.. (2023). A finite control set model predictive controller for single-phase transformerless T-type dynamic voltage restorer. Electrical Engineering. 105(2). 1287–1297. 3 indexed citations
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Mohan, S., et al.. (2021). Photovoltaic Fed Flyback Converters using Improved Perturb and Observe Algorithm. 23. 434–437. 1 indexed citations
6.
Rajkumar, K. C., et al.. (2019). Real‐time implementation of transformerless dynamic voltage restorer based on T‐type multilevel inverter with reduced switch count. International Transactions on Electrical Energy Systems. 30(4). 18 indexed citations
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Rajkumar, K. C., et al.. (2019). Servo Inverter Design for High Performance Multi-axis CNC Tube Bending Machine. 1–5. 1 indexed citations
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Rajkumar, K. C., et al.. (2015). Mueller matrix imaging polarimetry - for tissue imaging. 1. 1540–1543. 5 indexed citations
9.
Rajkumar, K. C., A. Madhukar, A. Konkar, et al.. (1994). Realization of three-dimensionally confined structures via one-step in situ molecular beam epitaxy on appropriately patterned GaAs(111)B and GaAs(001). Journal of Vacuum Science & Technology B Microelectronics and Nanometer Structures Processing Measurement and Phenomena. 12(2). 1071–1074. 21 indexed citations
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Rajkumar, K. C., et al.. (1993). Optically active three-dimensionally confined structures realized via molecular beam epitaxical growth on nonplanar GaAs (111)B. Applied Physics Letters. 63(21). 2905–2907. 34 indexed citations
12.
Vispute, R. D., S. M. Kanetkar, S. B. Ogale, et al.. (1992). Realization of Y1Ba2Cu3O7−δ/Y-ZrO2 epitaxial configuration on silicon (100) by pulsed laser ablation without chemical removal of native surface oxide. Physica C Superconductivity. 199(1-2). 59–64. 14 indexed citations
13.
Rich, Daniel H., K. C. Rajkumar, Li Chen, et al.. (1992). Defects in strained In0.2Ga0.8As/GaAs multiple quantum wells on patterned and unpatterned substrates: A near-infrared cathodoluminescence study. Journal of Vacuum Science & Technology B Microelectronics and Nanometer Structures Processing Measurement and Phenomena. 10(4). 1965–1970. 3 indexed citations
14.
Rajkumar, K. C., et al.. (1991). Growth control of GaAs epilayers with specular surface free of pyramids and twins on nonmisoriented (111)B substrates. Applied Physics Letters. 58(16). 1771–1773. 56 indexed citations
15.
Rajkumar, K. C., et al.. (1991). ‘‘A transmission electron microscope study of twin structure in GaAs/GaAs (111)B grown via molecular-beam epitaxy’’. Journal of Applied Physics. 69(4). 2219–2223. 16 indexed citations
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Rajkumar, K. C., et al.. (1990). Reflection Electron Diffraction and Structural Behavior of Gaas / Gaas (111)B Grown Via Mbe. MRS Proceedings. 208. 2 indexed citations
18.
Madhukar, A., et al.. (1990). Realization of low defect density, ultrathick, strained InGaAs/GaAs multiple quantum well structures via growth on patterned GaAs (100) substrates. Applied Physics Letters. 57(19). 2007–2009. 19 indexed citations
19.
Rajkumar, K. C., et al.. (1990). Observation of a correlation between twin orientation and substrate step direction in thin GaAs films grown on intentionally misoriented Si (100). Applied Physics Letters. 56(12). 1160–1162. 8 indexed citations
20.
Guha, Supratik, A. Madhukar, & K. C. Rajkumar. (1990). Onset of incoherency and defect introduction in the initial stages of molecular beam epitaxical growth of highly strained InxGa1−xAs on GaAs(100). Applied Physics Letters. 57(20). 2110–2112. 537 indexed citations breakdown →

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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