R. A. Hann

1.4k total citations
40 papers, 1.0k citations indexed

About

R. A. Hann is a scholar working on Electrical and Electronic Engineering, Atomic and Molecular Physics, and Optics and Materials Chemistry. According to data from OpenAlex, R. A. Hann has authored 40 papers receiving a total of 1.0k indexed citations (citations by other indexed papers that have themselves been cited), including 15 papers in Electrical and Electronic Engineering, 12 papers in Atomic and Molecular Physics, and Optics and 12 papers in Materials Chemistry. Recurrent topics in R. A. Hann's work include Molecular Junctions and Nanostructures (8 papers), Lipid Membrane Structure and Behavior (8 papers) and Photochemistry and Electron Transfer Studies (6 papers). R. A. Hann is often cited by papers focused on Molecular Junctions and Nanostructures (8 papers), Lipid Membrane Structure and Behavior (8 papers) and Photochemistry and Electron Transfer Studies (6 papers). R. A. Hann collaborates with scholars based in United Kingdom, India and France. R. A. Hann's co-authors include D. Bloor, A. Ledwith, Tomiki Ikeda, C. H. Bamford, J. R. Fryer, William Barlow, G.G. Roberts, Frank McCapra, P.S. Vincett and S. K. Gupta and has published in prestigious journals such as Nature, Chemical Physics Letters and Electrochimica Acta.

In The Last Decade

R. A. Hann

38 papers receiving 930 citations

Peers

R. A. Hann

EEE

EOMM

Lisbeth Ter‐Minassian‐Saraga France

K. Itoh Japan

Pierre-Alain Chollet France

Stefan H. J. Idziak Canada

Andrey I. Frolov Germany

Ken‐ichi Iimura Japan

Willem M. Albers Finland

R. Parthasarathy United States

Benjamin Breiten United States

R. Laversanne France

Lisbeth Ter‐Minassian‐Saraga France

R. A. Hann

399 ×1.2

272 ×1.0

178 ×0.7

115 ×0.5

EEE

230 ×1.0

EOMM

Citations per year, relative to R. A. Hann R. A. Hann (= 1×) peers Lisbeth Ter‐Minassian‐Saraga

Countries citing papers authored by R. A. Hann

Since Specialization

Citations

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

Fields of papers citing papers by R. A. Hann

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by R. A. Hann. 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 R. A. Hann. The network helps show where R. A. Hann may publish in the future.

Co-authorship network of co-authors of R. A. Hann

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

Hann, R. A.. (1993). Electroluminescence of Organic Thin Films Leading to Light Emitting Molecular Devices. Molecular crystals and liquid crystals science technology. Section A, Molecular crystals and liquid crystals. 236(1). 65–78. 9 indexed citations

Hann, R. A.. (1993). <title>Thermal dye diffusion printing</title>. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 1912. 252–260. 3 indexed citations

Webb, Paul W. & R. A. Hann. (1991). Measurement of thermal transients in a thermal print head used for dye diffusion colour printing. 138(1). 98–98. 2 indexed citations

Fryer, J. R., et al.. (1991). The structure of some Langmuir-Blodgett films: II. Aromatic polar molecules. Philosophical Magazine B. 63(5). 1193–1200. 7 indexed citations

Hann, R. A.. (1990). Molecules for Langmuir—Blodgett film formation. Philosophical Transactions of the Royal Society of London Series A Mathematical and Physical Sciences. 330(1610). 141–152. 5 indexed citations

Fryer, J. R., et al.. (1990). The structure of some Langmuir-Blodgett films. Part I. Substituted phthalocyanines. Philosophical Magazine B. 61(5). 843–852. 15 indexed citations

Hann, R. A. & David Bloor. (1989). Organic materials for non-linear optics : the proceedings of a conference organised by the Applied Solid State Chemistry Group of the Dalton Division of the Royal Society of Chemistry, Oxford, 29th-30th June 1988. 34 indexed citations

Hann, R. A. & D. Bloor. (1989). Organic Materials for Non-Linear Optics. Medical Entomology and Zoology. 179 indexed citations

Gupta, S. K., R. A. Hann, & M. V. Twigg. (1989). Langmuir-Blodgett films of μ-oxo-bis[tetra-tert-butylphthalocyanine iron(III)]. Thin Solid Films. 179(1-2). 343–349. 9 indexed citations

10.

Ledoux, I., D. Josse, Joseph Zyss, et al.. (1988). Second-order nonlinear optical properties of langmuir-blodget mono - and multilayers of diazostilbene and polyenic molecules. Journal de Chimie Physique. 85. 1085–1090. 12 indexed citations

11.

Peterson, I. R., et al.. (1986). An electron diffraction study of LB films prepared from a lightly substituted anthracene derivative. Philosophical Magazine B. 54(1). 71–79. 9 indexed citations

12.

Delaney, Paul, et al.. (1985). Formation of stable Langmuir-Blodgett multilayers from oxiran carboxylic acids. Thin Solid Films. 123(4). 353–360. 9 indexed citations

13.

Fryer, J. R., et al.. (1985). Single organic monolayer imaging by electron microscopy. Nature. 313(6001). 382–384. 63 indexed citations

14.

Ikeda, Tomiki, A. Ledwith, C. H. Bamford, & R. A. Hann. (1984). Interaction of a polymeric biguanide biocide with phospholipid membranes. Biochimica et Biophysica Acta (BBA) - Biomembranes. 769(1). 57–66. 172 indexed citations

15.

Hann, R. A.. (1983). Morphological changes in polycrystalline films via vapour phase transport. Thin Solid Films. 100(1). 77–79. 3 indexed citations

16.

Vincett, P.S., William Barlow, R. A. Hann, & G.G. Roberts. (1982). Electrical conduction and low voltage blue electroluminescence in vacuum-deposited organic films. Thin Solid Films. 94(2). 171–183. 116 indexed citations

17.

McCapra, Frank, et al.. (1981). Photochemistry without light - reaction of active oxalate esters with anthracenophanes. Tetrahedron Letters. 22(50). 5087–5090. 30 indexed citations

18.

Glynne-Jones, E, R.T. Marshall, R. A. Hann, & Gordon Read. (1975). The purification of chlorophyll α from spinach leaves by partition chromatography on Bio-Gas columns. Journal of Chromatography A. 114(1). 232–234. 2 indexed citations

19.

Hann, R. A.. (1974). Use of dimethylformamide as a solvent for the knoevenagel reaction. Journal of the Chemical Society Perkin Transactions 1. 1379–1379. 9 indexed citations

20.

Hann, R. A., et al.. (1973). Photogalvanic Output from Cells containing Organic Dye. Nature Physical Science. 244(138). 126–127. 13 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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