M J Downs

1.7k total citations · 1 hit paper
30 papers, 1.3k citations indexed

About

M J Downs is a scholar working on Mechanical Engineering, Computational Mechanics and Statistics, Probability and Uncertainty. According to data from OpenAlex, M J Downs has authored 30 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 18 papers in Mechanical Engineering, 15 papers in Computational Mechanics and 10 papers in Statistics, Probability and Uncertainty. Recurrent topics in M J Downs's work include Advanced Measurement and Metrology Techniques (18 papers), Surface Roughness and Optical Measurements (12 papers) and Scientific Measurement and Uncertainty Evaluation (10 papers). M J Downs is often cited by papers focused on Advanced Measurement and Metrology Techniques (18 papers), Surface Roughness and Optical Measurements (12 papers) and Scientific Measurement and Uncertainty Evaluation (10 papers). M J Downs collaborates with scholars based in United Kingdom, Germany and Netherlands. M J Downs's co-authors include K P Birch, R. J. King, Andrew Yacoot, Heather J. Ferguson, P B Clapham, John Nunn, W. R. C. Rowley, D. H. Ferriss, Peter A. W. J. F. Schellekens and Günter Wilkening and has published in prestigious journals such as Surface Science, Thin Solid Films and Nanotechnology.

In The Last Decade

M J Downs

29 papers receiving 1.2k 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.

An Updated Edlén Equation for the Refractive Index of Air

1993 452 citations K P Birch, M J Downs Metrologia profile →

Author Peers

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

Author						Papers	Cites
M J Downs	818	530	353	344	325	30	1.3k
K P Birch	760 0.9×	526 1.0×	269 0.8×	282 0.8×	286 0.9×	22	1.2k
Ulf Griesmann	283 0.3×	60 0.1×	191 0.5×	99 0.3×	148 0.5×	69	731
M Stöck	116 0.1×	768 1.4×	62 0.2×	273 0.8×	298 0.9×	118	1.2k
A. Picard	105 0.1×	583 1.1×	71 0.2×	252 0.7×	262 0.8×	36	1.1k
Richard A. Allen	101 0.1×	68 0.1×	156 0.4×	234 0.7×	490 1.5×	117	947
D. I. Robertson	296 0.4×	61 0.1×	85 0.2×	62 0.2×	253 0.8×	51	1.0k
J. C. Legros	294 0.4×	24 0.0×	1.3k 3.6×	447 1.3×	65 0.2×	90	1.6k
Yoshiro Yamada	222 0.3×	270 0.5×	256 0.7×	373 1.1×	118 0.4×	113	1.0k
G. W. Day	61 0.1×	73 0.1×	38 0.1×	246 0.7×	1.0k 3.1×	72	1.5k
Robert D. Larrabee	53 0.1×	28 0.1×	92 0.3×	125 0.4×	366 1.1×	57	773

Countries citing papers authored by M J Downs

Since Specialization

Citations

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

Fields of papers citing papers by M J Downs

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of M J Downs

This figure shows the co-authorship network connecting the top 25 collaborators of M J Downs. A scholar is included among the top collaborators of M J Downs 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 M J Downs. M J Downs 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

Downs, M J, et al.. (2006). Characterisation of thin film piezoelectric materials by differential interferometric techniques. TechConnect Briefs. 2(2006). 670–673.

Downs, M J & John Nunn. (1998). Verification of the sub-nanometric capability of an NPL differential plane mirror interferometer with a capacitance probe. Measurement Science and Technology. 9(9). 1437–1440. 24 indexed citations

Downs, M J, et al.. (1998). The verification of a high-precision two-dimensional position measurement system. Measurement Science and Technology. 9(7). 1111–1114. 3 indexed citations

Downs, M J, K P Birch, M G Cox, & John Nunn. (1995). Verification of a polarization-insensitive optical interferometer system with subnanometric capability. Precision Engineering. 17(2). 84–88. 10 indexed citations

Birch, K P & M J Downs. (1994). Correction to the Updated Edlén Equation for the Refractive Index of Air. Metrologia. 31(4). 315–316. 325 indexed citations

Birch, K P & M J Downs. (1993). An Updated Edlén Equation for the Refractive Index of Air. Metrologia. 30(3). 155–162. 452 indexed citations breakdown →

Downs, M J. (1990). A proposed design for an optical interferometer with sub-nanometric resolution. Nanotechnology. 1(1). 27–30. 11 indexed citations

Downs, M J, et al.. (1990). Improving the accuracy of the temperature measurement of gases by correction for the response delays in the thermal sensors. Measurement Science and Technology. 1(8). 717–719. 5 indexed citations

Downs, M J. (1989). Achievement of the optimum performance from laser interferometer systems when applied to precision length measurement in the free atmosphere. OpenGrey (Institut de l'Information Scientifique et Technique). 89. 28825. 1 indexed citations

10.

Downs, M J, et al.. (1989). Measurement Of The Profiles Of 'Super-Smooth' Surfaces Using Optical Interferometry. 3–3. 1 indexed citations

11.

Birch, K P, et al.. (1988). The measurement of humidity variations in gases resulting from the adsorption of water on to surfaces. Journal of Physics E Scientific Instruments. 21(7). 692–694. 18 indexed citations

12.

Downs, M J & K P Birch. (1983). Bi-directional fringe counting interference refractometer. Precision Engineering. 5(3). 105–110. 39 indexed citations

13.

Downs, M J. (1981). Problems associated with thin film measurement using double beam interference microscopy. Journal of Physics E Scientific Instruments. 14(1). 24–26. 2 indexed citations

14.

Downs, M J. (1980). Laser inertial rotation sensors. Precision Engineering. 2(1). 2–2. 5 indexed citations

15.

Downs, M J, et al.. (1979). An unmodulated bi-directional fringe-counting interferometer system for measuring displacement. Precision Engineering. 1(2). 85–88. 43 indexed citations

16.

Downs, M J, et al.. (1978). Beam-splitter Coatings for Producing Phase Quadrature Interferometer Outputs. Optica Acta International Journal of Optics. 25(7). 549–558. 40 indexed citations

17.

Downs, M J. (1973). Nonverbal Play and Intelligence in Normal Children. Loyola eCommons (Loyola University Chicago). 1 indexed citations

18.

King, R. J., et al.. (1972). A comparison of methods for accurate film thickness measurement. Journal of Physics E Scientific Instruments. 5(5). 445–449. 15 indexed citations

19.

Clapham, P B, M J Downs, & R. J. King. (1969). Some Applications of Thin Films to Polarization Devices. Applied Optics. 8(10). 1965–1965. 40 indexed citations

20.

King, R. J. & M J Downs. (1969). Ellipsometry applied to films on dielectric substrates. Surface Science. 16. 288–302. 31 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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