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, Hao Tian, Zhuo Xu, Shujun Zhang, Thomas R. Shrout and Fei Li 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

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 Chaorui Qiu, Bo Wang et al. Nature profile →

Peers

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

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work	Indexed citations
1	Temperature-Dependent Structural and Optoelectronic Properties of the Layered Perovskite 2-Thiophenemethylammonium Lead Iodide 2024 ·The Journal of Physical Chemistry C ·(unknown), (unknown), David Walker, Jie Liu, Claire Wilson, Nathaniel P. Gallop, Pablo Docampo, James Lloyd‐Hughes, Rebecca L. Milot	1
2	Atomic Layer Deposition of Hafnium Oxide Passivating Layers on Silicon: Impact of Precursor Selection 2024 ·physica status solidi (RRL) - Rapid Research Letters ·(unknown), (unknown), David Walker, Nicholas E. Grant, John D. Murphy	1
3	Hafnium oxide: A thin film dielectric with controllable etch resistance for semiconductor device fabrication 2023 ·AIP Advances ·(unknown), David Walker, (unknown), (unknown), Nicholas E. Grant, John D. Murphy	10
4	Activation of Al2O3 surface passivation of silicon: Separating bulk and surface effects 2023 ·Applied Surface Science ·Nicholas E. Grant, (unknown), (unknown), Richard Jefferies, (unknown), Sharee J. McNab, David Walker, Yisong Han, Richard Beanland, Ruy S. Bonilla, John D. Murphy	23
5	Influence of co-reactants on surface passivation by nanoscale hafnium oxide layers grown by atomic layer deposition on silicon 2023 ·RSC Applied Interfaces ·(unknown), (unknown), (unknown), Tim Niewelt, (unknown), (unknown), Marc Walker, David Walker, Nicholas E. Grant, John D. Murphy	8
6	Terahertz Emission via Optical Rectification in a Metal-Free Perovskite Crystal 2023 ·ACS Photonics ·Nathaniel P. Gallop, Dumitru Sirbu, David Walker, James Lloyd‐Hughes, Pablo Docampo, Rebecca L. Milot	1
7	Highly Air Stable Tin Halide Perovskite Photovoltaics using a Bismuth Capped Copper Top Electrode 2023 ·Advanced Science ·(unknown), Yisong Han, David Walker, Steven Huband, Ross A. Hatton	5
8	Atomic-scale investigation of the reversible α- to ω-phase lithium ion charge – discharge characteristics of electrodeposited vanadium pentoxide nanobelts 2022 ·Journal of Materials Chemistry A ·(unknown), Richard Beanland, Ana M. Sánchez, David Walker, Marc Walker, Yisong Han, Julie V. Macpherson	9
9	Mechanisms of Silicon Surface Passivation by Negatively Charged Hafnium Oxide Thin Films 2022 ·IEEE Journal of Photovoltaics ·(unknown), (unknown), David Walker, (unknown), (unknown), Tim Niewelt, Nicholas E. Grant, John D. Murphy	21
10	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 2022 ·Physical Chemistry Chemical Physics ·(unknown), David Walker, (unknown), Yanan Fang, Timothy J. White, John V. Hanna	3
11	Non-ambient X-ray and neutron diffraction of novel relaxor ferroelectricxBi₂(Zn_2/3,Nb_1/3)O₃–(1 –x)BaTiO₃ 2021 ·Journal of Applied Crystallography ·Jessica Marshall, David Walker, P. A. Thomas	1
12	Synchrotron X-ray diffraction investigation of the surface condition of artefacts from King Henry VIII's warship the Mary Rose 2020 ·Journal of Synchrotron Radiation ·Mark Dowsett, (unknown), (unknown), Eleanor Schofield, David Walker, P. A. Thomas, (unknown), S. D. Brown, D. Wermeille, (unknown)	3
13	Transparent ferroelectric crystals with ultrahigh piezoelectricity breakdown → 2020 ·Nature ·Chaorui Qiu, Bo Wang, Nan Zhang, Shujun Zhang, Jinfeng Liu, David Walker, Yu Wang, Hao Tian, Thomas R. Shrout, Zhuo Xu, Long‐Qing Chen, Fei Li	516
14	Assessment of copper corrosion from frameless copper IUDs after long-term in utero residence 2014 ·Contraception ·Dirk Wildemeersch, (unknown), Mark Dowsett, Victoria Flexer, Paul Thompson, David Walker, P. A. Thomas, Annemie Adriaens	8
15	A variable temperature solid-state nuclear magnetic resonance, electron paramagnetic resonance and Raman scattering study of molecular dynamics in ferroelectric fluorides 2011 ·Journal of Physics Condensed Matter ·R.M. Kowalczyk, Thomas F. Kemp, David Walker, Kevin J. Pike, P. A. Thomas, J. Kreisel, R. Dupree, Mark E. Newton, John V. Hanna, Mark E. Smith	5
16	Partial confluence of processes and systems of objects 1998 ·Theoretical Computer Science ·Xinxin Liu, David Walker	8
17	Libraries for linear algebra 1995 ·IEEE International Conference on High Performance Computing, Data, and Analytics ·Jack Dongarra, David Walker	2
18	Objects in the π-Calculus 1995 ·Information and Computation ·David Walker	75
19	Modal logics for mobile processes 1993 ·Theoretical Computer Science ·Robin Milner, Joachim Parrow, David Walker	113
20	A calculus of mobile processes, II breakdown → 1992 ·Information and Computation ·Robin Milner, Joachim Parrow, David Walker	720

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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