C. A. Parker

9.7k total citations · 4 hit papers
83 papers, 8.1k citations indexed

About

C. A. Parker is a scholar working on Physical and Theoretical Chemistry, Materials Chemistry and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, C. A. Parker has authored 83 papers receiving a total of 8.1k indexed citations (citations by other indexed papers that have themselves been cited), including 26 papers in Physical and Theoretical Chemistry, 18 papers in Materials Chemistry and 15 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in C. A. Parker's work include Photochemistry and Electron Transfer Studies (21 papers), GaN-based semiconductor devices and materials (11 papers) and ZnO doping and properties (9 papers). C. A. Parker is often cited by papers focused on Photochemistry and Electron Transfer Studies (21 papers), GaN-based semiconductor devices and materials (11 papers) and ZnO doping and properties (9 papers). C. A. Parker collaborates with scholars based in United Kingdom, United States and Italy. C. A. Parker's co-authors include C. G. Hatchard, W. T. Rees, Thelma A. Joyce, S. M. Bedair, N. A. El-Masry, M. J. Reed, J. C. Roberts, Hans H. Stadelmaier, Meredith Reed and William G. Hodgson and has published in prestigious journals such as Nature, Applied Physics Letters and Journal of Applied Physics.

In The Last Decade

C. A. Parker

80 papers receiving 7.4k citations

Hit Papers

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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.

A new sensitive chemical actinometer - II. Potassium ferrioxalate as a standard chemical actinometer

1956 2.6k citations C. G. Hatchard, C. A. Parker Proceedings of the Royal Society of London A Mathematical and Physical Sciences profile →
Correction of fluorescence spectra and measurement of fluorescence quantum efficiency

1960 1.2k citations C. A. Parker et al. profile →
Room temperature ferromagnetic properties of (Ga, Mn)N

2001 572 citations N. A. El-Masry, M. J. Reed et al. profile →
A new sensitive chemical actinometer. I. Some trials with potassium ferrioxalate

1953 406 citations C. A. Parker Proceedings of the Royal Society of London A Mathematical and Physical Sciences profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
C. A. Parker	3.2k	1.7k	1.6k	1.3k	1.3k	83	8.1k
Nils Andreas Sörensen	3.2k 1.0×	3.4k 2.0×	1.1k 0.7×	3.6k 2.8×	1.1k 0.9×	814	15.4k
E. Bunnenberg	2.1k 0.7×	2.9k 1.7×	968 0.6×	3.0k 2.3×	525 0.4×	477	10.7k
C. J. Casewit	4.8k 1.5×	2.0k 1.2×	863 0.5×	1.1k 0.8×	1.3k 1.0×	22	10.4k
Ruth Records	1.6k 0.5×	2.9k 1.7×	871 0.5×	2.7k 2.0×	488 0.4×	443	10.1k
Larry Kevan	7.4k 2.3×	1.7k 1.0×	2.0k 1.3×	618 0.5×	840 0.7×	690	13.2k
E. Havinga	2.2k 0.7×	2.3k 1.3×	1.1k 0.7×	710 0.5×	2.3k 1.8×	243	7.4k
Martyn C. R. Symons	2.1k 0.7×	2.6k 1.6×	1.9k 1.2×	1.7k 1.3×	570 0.4×	752	9.7k
W. M. Skiff	4.4k 1.4×	1.6k 0.9×	715 0.4×	915 0.7×	1.2k 0.9×	15	9.0k
Paul D. Bartlett	2.8k 0.9×	4.2k 2.5×	1.4k 0.9×	842 0.6×	648 0.5×	281	8.3k
Elias Vlieg	4.9k 1.5×	929 0.5×	1.1k 0.7×	1.2k 0.9×	2.1k 1.6×	309	10.5k

Countries citing papers authored by C. A. Parker

Since Specialization

Citations

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

Fields of papers citing papers by C. A. Parker

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of C. A. Parker

This figure shows the co-authorship network connecting the top 25 collaborators of C. A. Parker. A scholar is included among the top collaborators of C. A. Parker 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 C. A. Parker. C. A. Parker 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., C. A. Parker, John F. Muth, et al.. (2002). Ultraviolet-visible metal-semiconductor-metal photodetectors fabricated from InxGa1−xN (0≤x≤0.13). Journal of Electronic Materials. 31(1). L1–L6. 17 indexed citations

Parker, C. A., S. M. Bedair, John F. Muth, et al.. (1999). Effect of growth temperature on point defect density of unintentionally doped GaN grown by metalorganic chemical vapor deposition and hydride vapor phase epitaxy. Journal of Applied Physics. 86(1). 281–288. 19 indexed citations

Jung, Donghwi, et al.. (1992). AlGaAs/GaInP heterojunction tunnel diode. AIP conference proceedings. 268. 338–343. 1 indexed citations

Humphreys, T. P., David J. Moore, C. A. Parker, et al.. (1988). Dislocation interactions in strained-layer structures grown on GaAs and Si substrates. Journal of Crystal Growth. 93(1-4). 449–458. 12 indexed citations

Parker, C. A.. (1980). Comments on “possible emission from an upper triplet state of an anthraquinone dye”. Journal of Photochemistry. 12(1). 91–91. 1 indexed citations

Parker, C. A. & Thelma A. Joyce. (1974). Drag reduction and molecular structure. The interaction of polyethylenimine with some linear high polymers. Journal of Applied Polymer Science. 18(1). 155–165. 12 indexed citations

Parker, C. A. & Thelma A. Joyce. (1968). Activation-controlled delayed fluorescence of benzil. Chemical Communications (London). 1421–1421. 5 indexed citations

Parker, C. A. & Thelma A. Joyce. (1967). DELAYED FLUORESCENCE AND SOME PROPERTIES OF THE CHLOROPHYLL TRIPLETS. Photochemistry and Photobiology. 6(6). 395–406. 43 indexed citations

Parker, C. A.. (1966). Mechanism of delayed excimer fluorescence in solution. Spectrochimica Acta. 22(9). 1677–1678. 16 indexed citations

10.

Parker, C. A., C. G. Hatchard, & Thelma A. Joyce. (1964). P-type delayed fluorescence from ionic species and aromatic hydrocarbons. Journal of Molecular Spectroscopy. 14(1-4). 311–319. 35 indexed citations

11.

Parker, C. A.. (1964). Transient effects in triplet-triplet annihilation. Transactions of the Faraday Society. 60. 1998–1998. 24 indexed citations

12.

Parker, C. A.. (1963). Sensitized P -type delayed fluorescence. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 276(1364). 125–135. 58 indexed citations

13.

Parker, C. A. & C. G. Hatchard. (1962). Delayed fluorescence from solutions of anthracene and phenanthrene. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 269(1339). 574–584. 161 indexed citations

14.

Parker, C. A.. (1962). Spectrofluorometer Calibration in the Ultraviolet Region.. Analytical Chemistry. 34(4). 502–505. 46 indexed citations

15.

Parker, C. A. & C. G. Hatchard. (1962). TRIPLET-SINGLET EMISSION IN FLUID SOLUTION. The Journal of Physical Chemistry. 66(12). 2506–2511. 69 indexed citations

16.

Hatchard, C. G. & C. A. Parker. (1961). The photoreduction of thionine by ferrous sulphate. Transactions of the Faraday Society. 57. 1093–1093. 57 indexed citations

17.

Hatchard, C. G. & C. A. Parker. (1956). A new sensitive chemical actinometer - II. Potassium ferrioxalate as a standard chemical actinometer. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 235(1203). 518–536. 2645 indexed citations breakdown →

18.

Parker, C. A.. (1954). Induced autoxidation of oxalate in relation to the photolysis of potassium ferrioxalate. Transactions of the Faraday Society. 50. 1213–1213. 60 indexed citations

19.

Parker, C. A.. (1953). A new sensitive chemical actinometer. I. Some trials with potassium ferrioxalate. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 220(1140). 104–116. 406 indexed citations breakdown →

20.

Parker, C. A.. (1952). Chromatography of Rubber Accelerators and Anti-Oxidants on Silica Gel. Nature. 170(4326). 539–540. 1 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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