David Walker

8.9k total citations · 4 hit papers
107 papers, 4.7k citations indexed

About

David Walker is a scholar working on Electrical and Electronic Engineering, Materials Chemistry and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, David Walker has authored 107 papers receiving a total of 4.7k indexed citations (citations by other indexed papers that have themselves been cited), including 42 papers in Electrical and Electronic Engineering, 39 papers in Materials Chemistry and 23 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in David Walker's work include Ferroelectric and Piezoelectric Materials (18 papers), Semiconductor materials and devices (12 papers) and Multiferroics and related materials (11 papers). David Walker is often cited by papers focused on Ferroelectric and Piezoelectric Materials (18 papers), Semiconductor materials and devices (12 papers) and Multiferroics and related materials (11 papers). David Walker collaborates with scholars based in United Kingdom, France and United States. David Walker's co-authors include Robin Milner, Joachim Parrow, Davide Sangiorgi, P. A. Thomas, Nan Zhang, Yu Wang, Hao Tian, Thomas R. Shrout, Jinfeng Liu and Zhuo Xu and has published in prestigious journals such as Nature, Journal of the American Chemical Society and Advanced Materials.

In The Last Decade

David Walker

105 papers receiving 4.3k 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.

A calculus of mobile processes, I

1992 1.4k citations Robin Milner, Joachim Parrow et al. Information and Computation profile →
A calculus of mobile processes, II

1992 720 citations Robin Milner, Joachim Parrow et al. Information and Computation profile →
The Pi-Calculus: A Theory of Mobile Processes

2001 550 citations David Walker et al. profile →
Transparent ferroelectric crystals with ultrahigh piezoelectricity

2020 516 citations David Walker et al. profile →

Author Peers

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

Author						Papers	Cites
David Walker	2.2k	1.5k	1.1k	969	710	107	4.7k
William R. Cook	2.2k 1.0×	609 0.4×	693 0.6×	498 0.5×	262 0.4×	152	4.1k
David MacQueen	2.3k 1.0×	1.3k 0.9×	561 0.5×	735 0.8×	244 0.3×	59	4.1k
Ralph C. Merkle	1.5k 0.7×	344 0.2×	775 0.7×	384 0.4×	409 0.6×	53	3.1k
Bernard Lang	723 0.3×	263 0.2×	215 0.2×	589 0.6×	471 0.7×	68	2.1k
Saikat Guha	4.0k 1.8×	144 0.1×	1.4k 1.3×	2.0k 2.1×	1.9k 2.7×	299	9.5k
Sriram Krishnamoorthy	401 0.2×	152 0.1×	1.6k 1.4×	2.8k 2.9×	1.6k 2.2×	255	6.5k
Zhongxin Liu	274 0.1×	398 0.3×	2.2k 2.0×	1.5k 1.6×	1.5k 2.1×	360	6.0k
Weisheng Hu	874 0.4×	101 0.1×	1.1k 1.0×	436 0.4×	7.9k 11.2×	992	9.6k
R. Gerber	152 0.1×	382 0.3×	211 0.2×	293 0.3×	478 0.7×	163	2.1k
Amit Chakrabarti	450 0.2×	427 0.3×	394 0.4×	142 0.1×	235 0.3×	70	1.6k

Countries citing papers authored by David Walker

Since Specialization

Citations

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

Fields of papers citing papers by David Walker

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by David Walker. 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 David Walker. The network helps show where David Walker may publish in the future.

Co-authorship network of co-authors of David Walker

This figure shows the co-authorship network connecting the top 25 collaborators of David Walker. A scholar is included among the top collaborators of David Walker 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 David Walker. David Walker 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

Walker, David, Jie Liu, Claire Wilson, et al.. (2024). Temperature-Dependent Structural and Optoelectronic Properties of the Layered Perovskite 2-Thiophenemethylammonium Lead Iodide. The Journal of Physical Chemistry C. 128(31). 13108–13120. 1 indexed citations

Walker, David, et al.. (2024). Atomic Layer Deposition of Hafnium Oxide Passivating Layers on Silicon: Impact of Precursor Selection. physica status solidi (RRL) - Rapid Research Letters. 19(1). 1 indexed citations

Walker, David, et al.. (2023). Hafnium oxide: A thin film dielectric with controllable etch resistance for semiconductor device fabrication. AIP Advances. 13(6). 10 indexed citations

Grant, Nicholas E., Richard Jefferies, Sharee J. McNab, et al.. (2023). Activation of Al2O3 surface passivation of silicon: Separating bulk and surface effects. Applied Surface Science. 645. 158786–158786. 23 indexed citations

Niewelt, Tim, et al.. (2023). Influence of co-reactants on surface passivation by nanoscale hafnium oxide layers grown by atomic layer deposition on silicon. RSC Applied Interfaces. 1(3). 471–482. 8 indexed citations

Gallop, Nathaniel P., Dumitru Sirbu, David Walker, et al.. (2023). Terahertz Emission via Optical Rectification in a Metal-Free Perovskite Crystal. ACS Photonics. 10(11). 4022–4030. 1 indexed citations

Walker, Marc, et al.. (2023). Passivating Polycrystalline Copper with an Ultrathin Samarium Layer. Advanced Engineering Materials. 26(3). 3 indexed citations

Han, Yisong, et al.. (2023). Highly Air Stable Tin Halide Perovskite Photovoltaics using a Bismuth Capped Copper Top Electrode. Advanced Science. 10(24). e2301497–e2301497. 5 indexed citations

Beanland, Richard, Ana M. Sánchez, David Walker, et al.. (2022). Atomic-scale investigation of the reversible α- to ω-phase lithium ion charge – discharge characteristics of electrodeposited vanadium pentoxide nanobelts. Journal of Materials Chemistry A. 10(15). 8515–8527. 9 indexed citations

10.

Walker, David, et al.. (2022). Mechanisms of Silicon Surface Passivation by Negatively Charged Hafnium Oxide Thin Films. IEEE Journal of Photovoltaics. 13(1). 40–47. 21 indexed citations

11.

Walker, David, et al.. (2022). A powder XRD, solid state NMR and calorimetric study of the phase evolution in mechanochemically synthesized dual cation (Cs_x(CH₃NH₃)_1−x)PbX₃ lead halide perovskite systems. Physical Chemistry Chemical Physics. 24(30). 18004–18021. 3 indexed citations

12.

Blade, Helen, Leslie P. Hughes, Philip J. Sidebottom, et al.. (2020). 5‐amino‐2‐methylpyridinium hydrogen fumarate: An XRD and NMR crystallography analysis. Magnetic Resonance in Chemistry. 58(11). 1026–1035. 4 indexed citations

13.

Quaglia, Paola & David Walker. (2005). Types and full abstraction for polyadic π-calculus. Information and Computation. 200(2). 215–246. 16 indexed citations

14.

Philippou, Anna & David Walker. (2001). A Process-Calculus Analysis of Concurrent Operations on B-Trees. Journal of Computer and System Sciences. 62(1). 73–122. 2 indexed citations

15.

Liu, Xinxin & David Walker. (1998). Partial confluence of processes and systems of objects. Theoretical Computer Science. 206(1-2). 127–162. 8 indexed citations

16.

Dongarra, Jack & David Walker. (1995). Libraries for linear algebra. IEEE International Conference on High Performance Computing, Data, and Analytics. 93–134. 2 indexed citations

17.

Walker, David. (1995). Objects in the π-Calculus. Information and Computation. 116(2). 253–271. 75 indexed citations

18.

Milner, Robin, Joachim Parrow, & David Walker. (1993). Modal logics for mobile processes. Theoretical Computer Science. 114(1). 149–171. 113 indexed citations

19.

Milner, Robin, Joachim Parrow, & David Walker. (1992). A calculus of mobile processes, II. Information and Computation. 100(1). 41–77. 720 indexed citations breakdown →

20.

Milner, Robin, Joachim Parrow, & David Walker. (1992). A calculus of mobile processes, I. Information and Computation. 100(1). 1–40. 1373 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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