Barry T. Pickup

4.7k total citations · 1 hit paper
93 papers, 3.5k citations indexed

About

Barry T. Pickup is a scholar working on Atomic and Molecular Physics, and Optics, Materials Chemistry and Electrical and Electronic Engineering. According to data from OpenAlex, Barry T. Pickup has authored 93 papers receiving a total of 3.5k indexed citations (citations by other indexed papers that have themselves been cited), including 59 papers in Atomic and Molecular Physics, and Optics, 24 papers in Materials Chemistry and 23 papers in Electrical and Electronic Engineering. Recurrent topics in Barry T. Pickup's work include Advanced Chemical Physics Studies (46 papers), Molecular Junctions and Nanostructures (21 papers) and Spectroscopy and Quantum Chemical Studies (19 papers). Barry T. Pickup is often cited by papers focused on Advanced Chemical Physics Studies (46 papers), Molecular Junctions and Nanostructures (21 papers) and Spectroscopy and Quantum Chemical Studies (19 papers). Barry T. Pickup collaborates with scholars based in United Kingdom, Belgium and Malta. Barry T. Pickup's co-authors include Jennifer Grant, Osvaldo Goscinski, R. McWeeny, Anthony Nicholls, M.A. Gallardo, Patrick W. Fowler, Michaël S. Deleuze, J. Delhalle, D. A. Dunmur and M. A. Osipov and has published in prestigious journals such as Journal of the American Chemical Society, The Journal of Chemical Physics and Physical review. B, Condensed matter.

In The Last Decade

Barry T. Pickup

89 papers receiving 3.4k 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.

Direct calculation of ionization energies

1973 450 citations Barry T. Pickup et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Barry T. Pickup United Kingdom	28	1.8k	908	720	680	649	93	3.5k
Éric Cancès France	29	2.1k 1.2×	618 0.7×	883 1.2×	331 0.5×	555 0.9×	88	4.7k
Yuji Mochizuki Japan	36	1.6k 0.9×	1.8k 1.9×	817 1.1×	645 0.9×	332 0.5×	196	4.2k
Yihan Shao United States	39	2.8k 1.5×	967 1.1×	1.3k 1.8×	334 0.5×	624 1.0×	163	4.8k
Andrew C. Simmonett United States	26	1.9k 1.0×	1.7k 1.8×	1.0k 1.4×	403 0.6×	300 0.5×	64	4.6k
W. Graham Richards United Kingdom	39	1.7k 0.9×	1.8k 2.0×	920 1.3×	1.3k 2.0×	255 0.4×	216	5.2k
Toshio Asada Japan	26	1.5k 0.8×	643 0.7×	991 1.4×	190 0.3×	506 0.8×	104	3.2k
Piero Procacci Italy	37	1.5k 0.9×	1.9k 2.1×	999 1.4×	402 0.6×	210 0.3×	134	4.1k
Philipp Marquetand Austria	30	2.1k 1.2×	760 0.8×	1.5k 2.0×	284 0.4×	537 0.8×	86	4.0k
Chris‐Kriton Skylaris United Kingdom	36	1.9k 1.0×	769 0.8×	1.6k 2.2×	245 0.4×	967 1.5×	145	4.3k
Josep María Bofill Spain	33	1.7k 1.0×	758 0.8×	1.0k 1.4×	218 0.3×	337 0.5×	180	4.4k

Countries citing papers authored by Barry T. Pickup

Since Specialization

Citations

This map shows the geographic impact of Barry T. Pickup'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 Barry T. Pickup with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Barry T. Pickup more than expected).

Fields of papers citing papers by Barry T. Pickup

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Barry T. Pickup. 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 Barry T. Pickup. The network helps show where Barry T. Pickup may publish in the future.

Co-authorship network of co-authors of Barry T. Pickup

This figure shows the co-authorship network connecting the top 25 collaborators of Barry T. Pickup. A scholar is included among the top collaborators of Barry T. Pickup 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 Barry T. Pickup. Barry T. Pickup 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

Mallion, R. B., et al.. (2024). Ring Currents in the Clar Goblet Calculated Using Configurational State Averaging. The Journal of Physical Chemistry A. 128(47). 10181–10192.

Fowler, Patrick W. & Barry T. Pickup. (2024). Bounds on Molecular Properties of π Systems: First-order Properties. match Communications in Mathematical and in Computer Chemistry. 92(2). 371–416. 1 indexed citations

Souza, Cleide Dos Santos, Barry T. Pickup, Mark J. Thompson, et al.. (2023). Chemical Tools for Studying Phosphohistidine: Generation of Selective τ‐Phosphohistidine and π‐Phosphohistidine Antibodies**. ChemBioChem. 24(16). e202300182–e202300182. 6 indexed citations

Fowler, Patrick W. & Barry T. Pickup. (2021). A Simple Model of Ballistic Conduction in Multi-Lead Molecular Devices. Applied Sciences. 11(24). 11696–11696.

Pickup, Barry T., Patrick W. Fowler, & Irene Sciriha. (2016). A Hückel source-sink-potential theory of Pauli spin blockade in molecular electronic devices. The Journal of Chemical Physics. 145(20). 204113–204113. 7 indexed citations

Pickup, Barry T., et al.. (2015). A new approach to the method of source-sink potentials for molecular conduction. The Journal of Chemical Physics. 143(19). 194105–194105. 17 indexed citations

Massah, Ahmad Reza, Frank Dreiocker, Richard F. W. Jackson, et al.. (2011). Gas-phase study of new organozinc reagents by IRMPD-spectroscopy, computational modelling and tandem-MS. Physical Chemistry Chemical Physics. 13(29). 13255–13255. 14 indexed citations

Fowler, Patrick W., et al.. (2008). Equiconducting molecular conductors. Chemical Physics Letters. 465(1-3). 142–146. 28 indexed citations

Caggiano, Lorenzo, Richard F. W. Jackson, Anthony J. H. M. Meijer, Barry T. Pickup, & Karl A. Wilkinson. (2008). Ionisation of the ZincIodine Bond of Alkylzinc Iodides in Dimethylformamide from Theory and Experiment. Chemistry - A European Journal. 14(29). 8798–8802. 16 indexed citations

10.

Grant, Jennifer, et al.. (2007). The Gaussian Generalized Born model: application to small molecules. Physical Chemistry Chemical Physics. 9(35). 4913–4913. 46 indexed citations

11.

Deleuze, Michaël S., Barry T. Pickup, & David J. Wilton. (2000). Calculation of molecular response properties with the second-order coupled perturbed electron propagator. International Journal of Quantum Chemistry. 77(3). 625–640. 4 indexed citations

12.

Pickup, Barry T.. (1994). Along the Coulson contour. Philosophical Magazine B. 69(5). 799–805. 8 indexed citations

13.

Deleuze, Michaël S., J. Delhalle, Barry T. Pickup, & S. Svensson. (1994). Probing the Molecular Primary and Secondary Structures of Saturated Hydrocarbons by X-ray Photoionization Spectroscopy. Journal of the American Chemical Society. 116(23). 10715–10724. 36 indexed citations

14.

Deleuze, Michaël S., J. Delhalle, & Barry T. Pickup. (1992). Second-order Green's function calculations of the ionization potential of a (H2)7 chain embedded in a homogeneous electric field. Theoretical Chemistry Accounts. 82(3-4). 309–319. 11 indexed citations

15.

Deleuze, Michaël S., J. Delhalle, Barry T. Pickup, & Jean‐Louis Calais. (1992). Size-consistency aspects and physical interpretation of many-body Green’s-function calculations on extended chains. Physical review. B, Condensed matter. 46(24). 15668–15682. 40 indexed citations

16.

Grassi, Maria, Brian E. Mann, Barry T. Pickup, & Catriona M. Spencer. (1987). The mechanism of fluxionality of [Ru(η⁶-C₈H₈)(η⁴-C₇H₈)], [Ru(η⁴-C₈H₈)(η⁴-C₇H₈)L][L = PEt₃or P(OMe)₃], and [Os(η⁶-C₈H₈)(η⁴-C₈H₁₂)](C₈H₈= cyclo-octatetraene, C₇H₈= norborna-2,5-diene, and C₈H₁₂= cyclo-octa-1,5-diene). Journal of the Chemical Society Dalton Transactions. 2649–2652. 4 indexed citations

17.

Pickup, Barry T. & Atri Mukhopadhyay. (1984). Spin-shift propagators. International Journal of Quantum Chemistry. 26(S18). 309–319. 1 indexed citations

18.

Pickup, Barry T. & Atri Mukhopadhyay. (1981). Spin symmetry adaptation of the one-electron propagator. Chemical Physics Letters. 79(1). 109–114. 11 indexed citations

19.

Pickup, Barry T., et al.. (1978). Interpolating functionals in relation to the transition state and transition operator methods. Chemical Physics Letters. 56(2). 295–298. 14 indexed citations

20.

Pickup, Barry T.. (1973). The symmetric group and the method of diatomics in molecules: an application to small lithium clusters. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 333(1592). 69–87. 56 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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