J. Penfold

8.2k total citations · 2 hit papers
152 papers, 7.1k citations indexed

About

J. Penfold is a scholar working on Organic Chemistry, Atomic and Molecular Physics, and Optics and Physical and Theoretical Chemistry. According to data from OpenAlex, J. Penfold has authored 152 papers receiving a total of 7.1k indexed citations (citations by other indexed papers that have themselves been cited), including 85 papers in Organic Chemistry, 79 papers in Atomic and Molecular Physics, and Optics and 44 papers in Physical and Theoretical Chemistry. Recurrent topics in J. Penfold's work include Surfactants and Colloidal Systems (82 papers), Spectroscopy and Quantum Chemical Studies (57 papers) and Electrostatics and Colloid Interactions (34 papers). J. Penfold is often cited by papers focused on Surfactants and Colloidal Systems (82 papers), Spectroscopy and Quantum Chemical Studies (57 papers) and Electrostatics and Colloid Interactions (34 papers). J. Penfold collaborates with scholars based in United Kingdom, France and United States. J. Penfold's co-authors include John B. Hayter, Robert K. Thomas, Jian R. Lu, I. Tucker, Julian Eastoe, E. Staples, R. K. Thomas, Sandrine Nave, W. E. Gardner and Adrian Downer and has published in prestigious journals such as Nature, Journal of the American Chemical Society and Physical Review Letters.

In The Last Decade

J. Penfold

152 papers receiving 6.9k 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.

An analytic structure factor for macroion solutions

1981 984 citations John B. Hayter, J. Penfold profile →
Determination of micelle structure and charge by neutron small-angle scattering

1983 583 citations John B. Hayter, J. Penfold profile →

Peers

Countries citing papers authored by J. Penfold

Since Specialization

Citations

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

Fields of papers citing papers by J. Penfold

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of J. Penfold

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

#	Work	Indexed citations
1	Adsorption properties of plant based bio-surfactants: Insights from neutron scattering techniques 2019 ·Advances in Colloid and Interface Science ·J. Penfold, Robert K. Thomas	13
2	Biogenic amine – Surfactant interactions at the air–water interface 2014 ·Journal of Colloid and Interface Science ·J. Penfold, Robert K. Thomas, Peixun Li	11
3	Alignment of Dispersions of Plate-Like Colloidal Particles of Ni(OH)₂Induced by Elongational Flow 2011 ·The Journal of Physical Chemistry B ·S. Junaid S. Qazi, Adrian R. Rennie, I. Tucker, J. Penfold, Isabelle Grillo	17
4	Self-Assembly in Complex Mixed Surfactant Solutions: The Impact of Dodecyl Triethylene Glycol on Dihexadecyl Dimethyl Ammonium Bromide 2008 ·Langmuir ·I. Tucker, J. Penfold, Robert K. Thomas, Isabelle Grillo, D. F. R. Mildner, (unknown)	25
5	Interplay between the Surface Adsorption and Solution-Phase Behavior in Dialkyl Chain Cationic−Nonionic Surfactant Mixtures 2008 ·Langmuir ·I. Tucker, J. Penfold, Robert K. Thomas, Dominic J. Tildesley	24
6	Coadsorption of Human Milk Lactoferrin into the Dipalmitoylglycerolphosphatidylcholine Phospholipid Monolayer Spread at the Air/Water Interface 2006 ·Biophysical Journal ·Fausto Miano, Xiubo Zhao, Jian R. Lu, J. Penfold	20
7	Surface-Induced Unfolding of Human Lactoferrin 2005 ·Langmuir ·Jian R. Lu, Shiamalee Perumal, Xiubo Zhao, Fausto Miano, Vincenzo Enea, Richard K. Heenan, J. Penfold	34
8	Neutron reflection and small-angle neutron scattering studies of a fluorocarbon telomer surfactant 2003 ·Journal of Colloid and Interface Science ·Audrey Dupont, Julian Eastoe, Philippe Barthélémy, Bernard Pucci, Richard K. Heenan, J. Penfold, David C. Steytler, Isabelle Grillo	6
9	Effect of the Cu capping thickness on the magnetic properties of thin Ni/Cu(001) films 2001 ·Journal of Magnetism and Magnetic Materials ·C. A. F. Vaz, G. Lauhoff, J. A. C. Bland, (unknown), T. P. A. Hase, B. K. Tanner, S. Langridge, J. Penfold	5
10	Surfactant layers at the air/water interface: structure and composition 2000 ·Advances in Colloid and Interface Science ·Jian R. Lu, Robert K. Thomas, J. Penfold	391
11	Monolayers of Hexadecyltrimethylammonium p-Tosylate at the Air−Water Interface. 2. Neutron Reflection 1998 ·The Journal of Physical Chemistry B ·(unknown), Colin D. Bain, R. K. Thomas, David C. Duffy, J. Penfold	19
12	Apparent Anomalies in Surface Excesses Determined from Neutron Reflection and the Gibbs Equation in Anionic Surfactants with Particular Reference to Perfluorooctanoates at the Air/Water Interface 1996 ·Langmuir ·(unknown), Jian R. Lu, Robert K. Thomas, J. Penfold	86
13	The study of surfactant adsorption by specular neutron reflection 1994 ·Physica B Condensed Matter ·J. Penfold, Robert K. Thomas, Jian R. Lu, E. Staples, I. Tucker, L. Thompson	14
14	A direct measurement of the surface magnetisation of a ferromagnetic metallic glass 1989 ·Journal of Physics Condensed Matter ·(unknown), N. Cowlam, M.R.J. Gibbs, J. Penfold, (unknown)	6
15	THE ISIS TIME FOCUSED CRYSTAL ANALYZER SPECTROMETER: TFXA 1986 ·J. Penfold, J. Tomkinson	8
16	Self-consistent structural and dynamic study of concentrated micelle solutions 1981 ·Journal of the Chemical Society Faraday Transactions 1 Physical Chemistry in Condensed Phases ·John B. Hayter, J. Penfold	230
17	The magnetic properties of rare earth-Pd₃phases 1972 ·Journal of Physics F Metal Physics ·W. E. Gardner, J. Penfold, T. F. Smith, I.R. Harris	135
18	THE MAGNETIC PROPERTIES OF Pd₃-RARE EARTH PHASES 1971 ·Le Journal de Physique Colloques ·W. E. Gardner, J. Penfold, I.R. Harris	3
19	The magnetic susceptibilities of vanadium-based solid solutions containing titanium, manganese, iron, cobalt and nickel 1963 ·Philosophical magazine ·Barney Childs, W. E. Gardner, J. Penfold	22
20	The magnetic susceptibility of vanadium-chromium solid solutions 1960 ·Philosophical magazine ·Barney Childs, W. E. Gardner, J. Penfold	28

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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