Ryan S. Johnson

1.6k total citations · 1 hit paper
25 papers, 1.4k citations indexed

About

Ryan S. Johnson is a scholar working on Atomic and Molecular Physics, and Optics, Materials Chemistry and Electrical and Electronic Engineering. According to data from OpenAlex, Ryan S. Johnson has authored 25 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 8 papers in Atomic and Molecular Physics, and Optics, 8 papers in Materials Chemistry and 7 papers in Electrical and Electronic Engineering. Recurrent topics in Ryan S. Johnson's work include Catalytic Processes in Materials Science (7 papers), Advanced Chemical Physics Studies (6 papers) and Catalysis and Oxidation Reactions (5 papers). Ryan S. Johnson is often cited by papers focused on Catalytic Processes in Materials Science (7 papers), Advanced Chemical Physics Studies (6 papers) and Catalysis and Oxidation Reactions (5 papers). Ryan S. Johnson collaborates with scholars based in United States, Germany and China. Ryan S. Johnson's co-authors include Hua Guo, Sen Lin, Xinxin Ye, Andrew DeLaRiva, Abhaya K. Datye, Charles H. F. Peden, Ja Hun Kwak, Fabio H. Ribeiro, Boris Kiefer and Eric J. Peterson and has published in prestigious journals such as Nature Communications, The Journal of Chemical Physics and Journal of Applied Physics.

In The Last Decade

Ryan S. Johnson

20 papers receiving 1.3k 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.

Low-temperature carbon monoxide oxidation catalysed by regenerable atomically dispersed palladium on alumina

2014 537 citations Eric J. Peterson, Andrew DeLaRiva et al. Nature Communications profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Ryan S. Johnson United States	12	1.0k	545	459	264	218	25	1.4k
Jason A. Farmer United States	12	1.0k 1.0×	392 0.7×	489 1.1×	235 0.9×	221 1.0×	14	1.3k
Zongfang Wu China	22	1.1k 1.1×	599 1.1×	509 1.1×	200 0.8×	126 0.6×	49	1.4k
Jan Hulva Austria	20	1.1k 1.1×	871 1.6×	301 0.7×	259 1.0×	166 0.8×	25	1.5k
Fabiano Bernardi Brazil	25	1.1k 1.0×	486 0.9×	470 1.0×	256 1.0×	320 1.5×	66	1.8k
Wenshao Yang China	17	1.0k 1.0×	865 1.6×	303 0.7×	207 0.8×	138 0.6×	45	1.4k
Alexander Klyushin Germany	20	954 0.9×	441 0.8×	478 1.0×	265 1.0×	169 0.8×	55	1.4k
Hazar Guesmi France	23	1.0k 1.0×	483 0.9×	403 0.9×	228 0.9×	151 0.7×	67	1.5k
Zdeněk Jakub Austria	16	717 0.7×	598 1.1×	233 0.5×	154 0.6×	133 0.6×	26	998
Isabel Xiaoye Green United States	10	1.3k 1.3×	619 1.1×	620 1.4×	145 0.5×	297 1.4×	11	1.5k
Antonio Prestianni Italy	18	877 0.8×	252 0.5×	350 0.8×	136 0.5×	269 1.2×	37	1.1k

Countries citing papers authored by Ryan S. Johnson

Since Specialization

Citations

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

Fields of papers citing papers by Ryan S. Johnson

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ryan S. Johnson. 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 Ryan S. Johnson. The network helps show where Ryan S. Johnson may publish in the future.

Co-authorship network of co-authors of Ryan S. Johnson

This figure shows the co-authorship network connecting the top 25 collaborators of Ryan S. Johnson. A scholar is included among the top collaborators of Ryan S. Johnson 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 Ryan S. Johnson. Ryan S. Johnson 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

Johnson, Ryan S., et al.. (2023). A Discretization of the Hybrid Gradient Algorithm for Linear Regression with Sampled Hybrid Signals. 3560–3565.

Johnson, Ryan S. & Ricardo G. Sanfelice. (2022). Hybrid Concurrent Learning for Hybrid Linear Regression. 2022 IEEE 61st Conference on Decision and Control (CDC). 3256–3261.

Johnson, Ryan S., Adnane Saoud, & Ricardo G. Sanfelice. (2021). Robust Finite-Time Parameter Estimation for Linear Dynamical Systems. 2021 60th IEEE Conference on Decision and Control (CDC). 4654–4659.

Matanović, Ivana, et al.. (2021). First principles inelastic mean free paths coupled with Monte Carlo simulation of secondary electron yield of Cu-Ni, Cu-Zn, and Mo-Li. Journal of Applied Physics. 129(17). 8 indexed citations

Johnson, Ryan S., et al.. (2021). Hybrid Adaptive Control for the DC-DC Boost Converter. IFAC-PapersOnLine. 54(5). 73–78. 3 indexed citations

Johnson, Ryan S., Stefano Di Cairano, & Ricardo G. Sanfelice. (2021). Parameter Estimation for Hybrid Dynamical Systems using Hybrid Gradient Descent. 2021 60th IEEE Conference on Decision and Control (CDC). 1 indexed citations

Moolla, Raeesa & Ryan S. Johnson. (2019). Spatial Distribution of Ambient BTEX Concentrations at an International Airport in South Africa. Zenodo (CERN European Organization for Nuclear Research). 13(2). 43–50. 7 indexed citations

Thomas, Alan K., Ryan S. Johnson, Benjamin W. Stein, et al.. (2017). Charge Transfer Doping Induced Conformational Ordering of a Non-Crystalline Conjugated Polymer. The Journal of Physical Chemistry C. 121(42). 23817–23826. 9 indexed citations

Zhou, Linsen, Ryan S. Johnson, Terefe G. Habteyes, & Hua Guo. (2017). Adsorption of methylene blue and its N-demethylated derivatives on the (111) face of coinage metals: The importance of dispersion interactions. The Journal of Chemical Physics. 146(16). 164701–164701. 18 indexed citations

10.

Ard, Shaun G., Ryan S. Johnson, O. Martı́nez, et al.. (2016). Analysis of the Pressure and Temperature Dependence of the Complex-Forming Bimolecular Reaction CH₃OCH₃ + Fe⁺. The Journal of Physical Chemistry A. 120(27). 5264–5273. 7 indexed citations

11.

Ushakov, V. G., Jürgen Troe, Ryan S. Johnson, et al.. (2015). Statistical modeling of the reactions Fe⁺ + N₂O → FeO⁺ + N₂ and FeO⁺ + CO → Fe⁺ + CO₂. Physical Chemistry Chemical Physics. 17(30). 19700–19708. 27 indexed citations

12.

Peterson, Eric J., Andrew DeLaRiva, Sen Lin, et al.. (2014). Low-temperature carbon monoxide oxidation catalysed by regenerable atomically dispersed palladium on alumina. Nature Communications. 5(1). 4885–4885. 537 indexed citations breakdown →

13.

Melko, Joshua J., Shaun G. Ard, Ryan S. Johnson, et al.. (2014). Temperature-Dependent Kinetics of Charge Transfer, Hydrogen-Atom Transfer, and Hydrogen-Atom Expulsion in the Reaction of CO⁺ with CH₄ and CD₄. The Journal of Physical Chemistry A. 118(37). 8141–8146. 2 indexed citations

14.

Ard, Shaun G., Joshua J. Melko, O. Martı́nez, et al.. (2014). Further Insight into the Reaction FeO⁺+ H₂→ Fe⁺+ H₂O: Temperature Dependent Kinetics, Isotope Effects, and Statistical Modeling. The Journal of Physical Chemistry A. 118(34). 6789–6797. 41 indexed citations

15.

Ard, Shaun G., Joshua J. Melko, V. G. Ushakov, et al.. (2014). Activation of Methane by FeO⁺: Determining Reaction Pathways through Temperature-Dependent Kinetics and Statistical Modeling. The Journal of Physical Chemistry A. 118(11). 2029–2039. 42 indexed citations

16.

Johnson, Ryan S., Andrew DeLaRiva, Barr Halevi, et al.. (2013). The CO oxidation mechanism and reactivity on PdZn alloys. Physical Chemistry Chemical Physics. 15(20). 7768–7768. 55 indexed citations

17.

Lin, Sen, et al.. (2011). Pathways for methanol steam reforming involving adsorbed formaldehyde and hydroxyl intermediates on Cu(111): density functional theory studies. Physical Chemistry Chemical Physics. 13(20). 9622–9622. 70 indexed citations

18.

Fishback, Price, Ryan S. Johnson, & Shawn Kantor. (2010). Striking at the Roots of Crime: The Impact of Welfare Spending on Crime during the Great Depression. The Journal of Law and Economics. 53(4). 715–740. 51 indexed citations

19.

Johnson, Ryan S.. (2004). The Economic Progress of American Black Workers in a Period of Crisis and Change, 1916–1950. The Journal of Economic History. 64(2). 552–558. 1 indexed citations

20.

Johnson, Ryan S., et al.. (2000). A study of methanol electro-oxidation reactions in carbon membrane electrodes and structural properties of Pt alloy electro-catalysts by EXAFS. Journal of Electroanalytical Chemistry. 485(1). 34–41. 104 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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