John F. J. Todd

3.6k total citations · 2 hit papers
103 papers, 2.7k citations indexed

About

John F. J. Todd is a scholar working on Spectroscopy, Analytical Chemistry and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, John F. J. Todd has authored 103 papers receiving a total of 2.7k indexed citations (citations by other indexed papers that have themselves been cited), including 86 papers in Spectroscopy, 20 papers in Analytical Chemistry and 17 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in John F. J. Todd's work include Mass Spectrometry Techniques and Applications (80 papers), Analytical Chemistry and Chromatography (24 papers) and Analytical chemistry methods development (20 papers). John F. J. Todd is often cited by papers focused on Mass Spectrometry Techniques and Applications (80 papers), Analytical Chemistry and Chromatography (24 papers) and Analytical chemistry methods development (20 papers). John F. J. Todd collaborates with scholars based in United Kingdom, Canada and Italy. John F. J. Todd's co-authors include Raymond E. March, John E. P. Syka, George C. Stafford, W.E. Reynolds, John N. Louris, R. Graham Cooks, Graham Lawson, R. F. Bonner, Andrew D. Penman and Frank A. Londry and has published in prestigious journals such as Nature, Journal of the American Chemical Society and Analytical Chemistry.

In The Last Decade

John F. J. Todd

96 papers receiving 2.5k citations

Hit Papers

Instrumentation, applications, and energy deposition in q... 1984 2026 1998 2012 1987 1984 100 200 300 400
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. Instrumentation, applications, and energy deposition in quadrupole ion-trap tandem mass spectrometry
    1987 406 citations John F. J. Todd et al. profile →
  2. Recent improvements in and analytical applications of advanced ion trap technology
    1984 406 citations John F. J. Todd et al. International Journal of Mass Spectrometry and Ion Processes profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
John F. J. Todd United Kingdom 26 2.2k 556 553 421 401 103 2.7k
Douglas E. Goeringer United States 28 2.0k 0.9× 432 0.8× 236 0.4× 247 0.6× 348 0.9× 60 2.2k
I. Džidić United States 26 2.1k 0.9× 711 1.3× 491 0.9× 175 0.4× 615 1.5× 37 3.1k
Maurice M. Bursey United States 30 2.3k 1.0× 542 1.0× 686 1.2× 143 0.3× 312 0.8× 215 3.6k
George C. Stafford United States 14 1.8k 0.8× 403 0.7× 178 0.3× 227 0.5× 304 0.8× 18 2.0k
Keith R. Jennings United Kingdom 31 2.4k 1.1× 604 1.1× 884 1.6× 191 0.5× 286 0.7× 158 4.6k
James W. Hager Canada 29 1.6k 0.7× 350 0.6× 752 1.4× 180 0.4× 191 0.5× 53 2.6k
Marvin L. Vestal United States 37 3.9k 1.7× 737 1.3× 648 1.2× 226 0.5× 686 1.7× 94 5.1k
Robert K. Boyd Canada 35 3.6k 1.6× 668 1.2× 979 1.8× 223 0.5× 446 1.1× 178 5.1k
Aviv Amirav Israel 47 3.0k 1.3× 939 1.7× 2.7k 4.9× 576 1.4× 736 1.8× 185 6.0k
M. Bonner Denton United States 32 1.3k 0.6× 1.1k 2.1× 200 0.4× 107 0.3× 644 1.6× 164 3.1k

Countries citing papers authored by John F. J. Todd

Since Specialization
Citations

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

Fields of papers citing papers by John F. J. Todd

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John F. J. Todd. 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 John F. J. Todd. The network helps show where John F. J. Todd may publish in the future.

Co-authorship network of co-authors of John F. J. Todd

This figure shows the co-authorship network connecting the top 25 collaborators of John F. J. Todd. A scholar is included among the top collaborators of John F. J. Todd 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 John F. J. Todd. John F. J. Todd 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
1.
Todd, John F. J. & Raymond E. March. (2019). An appreciation of the scientific researches of Dr Peter H. Dawson. Rapid Communications in Mass Spectrometry. 33(8). 745–766. 2 indexed citations
2.
Todd, John F. J. & Raymond E. March. (1999). A retrospective review of the development and application of the quadrupole ion trap prior to the appearance of commercial instruments. International Journal of Mass Spectrometry. 190-191. 9–35. 20 indexed citations
3.
March, Raymond E. & John F. J. Todd. (1995). Fundamentals of ion trap mass spectrometry. CRC Press eBooks. 27 indexed citations
4.
March, Raymond E. & John F. J. Todd. (1995). Chemical, environmental, and biomedical applications. CRC Press eBooks. 4 indexed citations
5.
March, Raymond E. & John F. J. Todd. (1995). Ion trap instrumentation. CRC Press eBooks. 2 indexed citations
6.
Todd, John F. J.. (1995). NOTE FOR IUPAC RECOMMENDATIONS. International Journal of Mass Spectrometry and Ion Processes. 16 indexed citations
7.
Mo, Wenjun, M.L. Langford, & John F. J. Todd. (1995). Investigation of ‘ghost’ peaks caused by non‐linear fields in the ion trap mass spectrometer. Rapid Communications in Mass Spectrometry. 9(2). 107–113. 13 indexed citations
8.
Paradisi, Cristina, John F. J. Todd, & Umberto Vettori. (1992). Comparison of collisional activation by the ‘boundary effect’ vs. ‘tickle’ excitation in an ion trap mass spectrometer. Organic Mass Spectrometry. 27(11). 1210–1215. 24 indexed citations
9.
Todd, John F. J.. (1986). Advances in mass spectrometry 1985 : 10th international mass spectrometry conference. John Wiley & Sons eBooks. 2 indexed citations
10.
Todd, John F. J.. (1984). A survey of the current state of quadrupole mass spectrometry. International Journal of Mass Spectrometry and Ion Processes. 60(1). 3–10. 3 indexed citations
11.
Proctor, C. J., John F. J. Todd, & Ryan Turner. (1984). Mass-analysed ion mobility studies of nitrobenzene. International Journal of Mass Spectrometry and Ion Processes. 60(1). 137–145. 1 indexed citations
12.
Todd, John F. J., et al.. (1983). Atmospheric pressure ionization mass spectrometry. Organic Mass Spectrometry. 18(12). 509–516. 40 indexed citations
13.
Todd, John F. J., et al.. (1979). The quadrupole ion store (QUISTOR). Part II. Phase-synchronised ion ejection from a quadrupole ion storage mass spectrometer. International Journal of Mass Spectrometry and Ion Physics. 29(4). 301–314. 18 indexed citations
14.
Cragg, R. H., John F. J. Todd, & A. F. WESTON. (1974). Mass spectra of organoboron compounds. Journal of Organometallic Chemistry. 74(3). 385–391. 5 indexed citations
15.
Todd, John F. J.. (1973). Modern Aspects of Mass Spectrometry.. 10 indexed citations
16.
Lawson, Graham, R. F. Bonner, & John F. J. Todd. (1973). The quadrupole ion store (quistor) as a novel source for a mass spectrometer. Journal of Physics E Scientific Instruments. 6(4). 357–362. 21 indexed citations
17.
Cragg, R. H., John F. J. Todd, Ryan Turner, & A. F. WESTON. (1972). Boratropylium and boracyclopentadienyl ions in the mass spectra of aminoboranes. Journal of the Chemical Society Chemical Communications. 206–206. 5 indexed citations
18.
Bonner, R. F., Graham Lawson, & John F. J. Todd. (1972). Ion-molecule reaction studies with a quadrupole ion storage trap. International Journal of Mass Spectrometry and Ion Physics. 10(2). 197–203. 34 indexed citations
19.
Williams, J. E., et al.. (1970). Dynamic mass spectrometry. 68 indexed citations
20.
Todd, John F. J., et al.. (1967). Kinetic analysis of hot fluorine reactions in moderated methane-tetrafluoromethane systems. The Journal of Physical Chemistry. 71(9). 2875–2884. 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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