Timothy J. Pennycook

8.9k total citations · 2 hit papers
98 papers, 5.2k citations indexed

About

Timothy J. Pennycook is a scholar working on Materials Chemistry, Structural Biology and Electrical and Electronic Engineering. According to data from OpenAlex, Timothy J. Pennycook has authored 98 papers receiving a total of 5.2k indexed citations (citations by other indexed papers that have themselves been cited), including 51 papers in Materials Chemistry, 38 papers in Structural Biology and 31 papers in Electrical and Electronic Engineering. Recurrent topics in Timothy J. Pennycook's work include Advanced Electron Microscopy Techniques and Applications (38 papers), Electron and X-Ray Spectroscopy Techniques (27 papers) and Advanced X-ray Imaging Techniques (20 papers). Timothy J. Pennycook is often cited by papers focused on Advanced Electron Microscopy Techniques and Applications (38 papers), Electron and X-Ray Spectroscopy Techniques (27 papers) and Advanced X-ray Imaging Techniques (20 papers). Timothy J. Pennycook collaborates with scholars based in United Kingdom, Austria and United States. Timothy J. Pennycook's co-authors include Stephen J. Pennycook, Peter D. Nellist, Matthew F. Murfitt, Sokrates T. Pantelides, Mark P. Oxley, Matthew F. Chisholm, Valeria Nicolosi, Niklas Dellby, Ondrej L. Krivanek and Lewys Jones and has published in prestigious journals such as Nature, Journal of the American Chemical Society and Physical Review Letters.

In The Last Decade

Timothy J. Pennycook

95 papers receiving 5.1k citations

Hit Papers

align trajectories sort by overperformance

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.

Atom-by-atom structural and chemical analysis by annular dark-field electron microscopy

2010 1.1k citations Ondrej L. Krivanek, Matthew F. Chisholm et al. Nature profile →
Grain refining mechanism in the Al/Al–Ti–B system

2014 471 citations Timothy J. Pennycook et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Timothy J. Pennycook United Kingdom	35	3.2k	1.6k	1.3k	1.0k	715	98	5.2k
Bryan W. Reed United States	33	1.8k 0.6×	835 0.5×	1.1k 0.8×	688 0.7×	903 1.3×	126	3.7k
Thomas LaGrange United States	33	1.8k 0.5×	1.1k 0.7×	829 0.7×	531 0.5×	681 1.0×	111	3.7k
Peter D. Nellist United Kingdom	47	2.9k 0.9×	1.9k 1.2×	2.9k 2.3×	2.4k 2.4×	1.1k 1.6×	208	6.9k
Kazuo Furuya Japan	30	1.8k 0.6×	957 0.6×	739 0.6×	862 0.8×	744 1.0×	249	3.8k
Ian MacLaren United Kingdom	33	2.0k 0.6×	831 0.5×	479 0.4×	438 0.4×	487 0.7×	157	3.4k
Scott D. Findlay Australia	45	3.1k 0.9×	2.0k 1.3×	3.5k 2.7×	3.1k 3.0×	1.5k 2.1×	167	7.2k
Sandra Van Aert Belgium	43	4.3k 1.3×	2.1k 1.3×	2.1k 1.6×	1.9k 1.9×	1.4k 1.9×	166	7.2k
C. Kisielowski United States	27	3.6k 1.1×	1.6k 1.0×	587 0.5×	542 0.5×	1.0k 1.4×	83	5.1k
Marek Malac Canada	23	1.5k 0.5×	1.2k 0.7×	1.1k 0.9×	1.3k 1.2×	681 1.0×	142	3.7k
A. Howie United Kingdom	43	2.4k 0.7×	1.8k 1.1×	1.5k 1.2×	2.3k 2.3×	1.8k 2.5×	138	6.3k

Countries citing papers authored by Timothy J. Pennycook

Since Specialization

Citations

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

Fields of papers citing papers by Timothy J. Pennycook

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Timothy J. Pennycook

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

Loetgering, Lars, Timothy J. Pennycook, Roarke Horstmeyer, et al.. (2025). Ptychography at all wavelengths. Nature Reviews Methods Primers. 5(1). 1 indexed citations

Lee, Won‐June, Jee Yung Park, Biao Yuan, et al.. (2025). Large‐Scale 2D Perovskite Nanocrystals Photodetector Array via Ultrasonic Spray Synthesis. Advanced Materials. 37(12). e2417761–e2417761. 8 indexed citations

Hofer, Christoph K., et al.. (2024). Phase offset method of ptychographic contrast reversal correction. Ultramicroscopy. 258. 113922–113922. 3 indexed citations

Hofer, Christoph K., Kimmo Mustonen, Viera Skákalová, & Timothy J. Pennycook. (2023). Picometer-precision few-tilt ptychotomography of 2D materials. 2D Materials. 10(3). 35029–35029. 3 indexed citations

Roddatis, Vladimir, et al.. (2023). Crystal Structure Controls on Oriented Primary Magnetite Micro-Inclusions in Plagioclase From Oceanic Gabbro. Journal of Petrology. 64(3). 1 indexed citations

Mustonen, Kimmo, Christoph K. Hofer, Peter Kotrusz, et al.. (2021). Toward Exotic Layered Materials: 2D Cuprous Iodide. Advanced Materials. 34(9). e2106922–e2106922. 45 indexed citations

Madsen, Jacob, Timothy J. Pennycook, & Toma Susi. (2021). ab initio description of bonding for transmission electron microscopy. Ultramicroscopy. 231. 113253–113253. 15 indexed citations

Wang, Hui Shan, Lingxiu Chen, Kenan Elibol, et al.. (2020). Towards chirality control of graphene nanoribbons embedded in hexagonal boron nitride. Nature Materials. 20(2). 202–207. 96 indexed citations

Mahadi, Abdul Hanif, Lin Ye, Simon M. Fairclough, et al.. (2020). Beyond surface redox and oxygen mobility at pd-polar ceria (100) interface: Underlying principle for strong metal-support interactions in green catalysis. Applied Catalysis B: Environmental. 270. 118843–118843. 20 indexed citations

10.

Habler, Gerlinde, Thomas Griffiths, Aleksander Rečnik, et al.. (2018). Migration of hcp/ccp metal oxide interfaces via the glide of partial dislocations. arXiv (Cornell University).

11.

Elibol, Kenan, Toma Susi, Giacomo Argentero, et al.. (2018). Atomic Structure of Intrinsic and Electron-Irradiation-Induced Defects in MoTe₂. Chemistry of Materials. 30(4). 1230–1238. 62 indexed citations

12.

Susi, Toma, Jacob Madsen, Jens Jørgen Mortensen, et al.. (2018). Efficient first principles simulation of electron scattering factors for transmission electron microscopy. Ultramicroscopy. 197. 16–22. 28 indexed citations

13.

Mustonen, Kimmo, Mohammad Reza Ahmadpour Monazam, Andreas Mittelberger, et al.. (2017). Buckyball sandwiches. Science Advances. 3(6). e1700176–e1700176. 53 indexed citations

14.

Bayer, Bernhard C., Sabina Caneva, Timothy J. Pennycook, et al.. (2017). Introducing Overlapping Grain Boundaries in Chemical Vapor Deposited Hexagonal Boron Nitride Monolayer Films. ACS Nano. 11(5). 4521–4527. 34 indexed citations

15.

Susi, Toma, Christoph K. Hofer, Giacomo Argentero, et al.. (2016). Isotope analysis in the transmission electron microscope. Nature Communications. 7(1). 13040–13040. 67 indexed citations

16.

Pennycook, Timothy J., Lewys Jones, Henrik Pettersson, et al.. (2014). Atomic scale dynamics of a solid state chemical reaction directly determined by annular dark-field electron microscopy. Scientific Reports. 4(1). 7555–7555. 26 indexed citations

17.

Li, Chen, Yelong Wu, Jonathan D. Poplawsky, et al.. (2014). Understanding Individual Defects in CdTe Solar Cells: From Atomic Structure to Electrical Activity. Microscopy and Microanalysis. 20(S3). 518–519. 1 indexed citations

18.

Sayers, Ruth, Jonathan Alaria, Philip A. Chater, et al.. (2013). Epitaxial growth and enhanced conductivity of an IT-SOFC cathode based on a complex perovskite superstructure with six distinct cation sites. Chemical Science. 4(6). 2403–2403. 13 indexed citations

19.

Rivera, A., M.R. Díaz-Guillén, Óscar J. Durá, et al.. (2011). Tailoring Interface Structure in Highly Strained YSZ/STO Heterostructures. Advanced Materials. 23(44). 5268–5274. 32 indexed citations

20.

Krivanek, Ondrej L., Matthew F. Chisholm, Valeria Nicolosi, et al.. (2010). Atom-by-atom structural and chemical analysis by annular dark-field electron microscopy. Nature. 464(7288). 571–574. 1071 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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