H.‐J. Freund

13.1k total citations · 4 hit papers
156 papers, 10.8k citations indexed

About

H.‐J. Freund is a scholar working on Materials Chemistry, Atomic and Molecular Physics, and Optics and Catalysis. According to data from OpenAlex, H.‐J. Freund has authored 156 papers receiving a total of 10.8k indexed citations (citations by other indexed papers that have themselves been cited), including 89 papers in Materials Chemistry, 83 papers in Atomic and Molecular Physics, and Optics and 28 papers in Catalysis. Recurrent topics in H.‐J. Freund's work include Advanced Chemical Physics Studies (74 papers), Catalytic Processes in Materials Science (72 papers) and Catalysis and Oxidation Reactions (25 papers). H.‐J. Freund is often cited by papers focused on Advanced Chemical Physics Studies (74 papers), Catalytic Processes in Materials Science (72 papers) and Catalysis and Oxidation Reactions (25 papers). H.‐J. Freund collaborates with scholars based in Germany, United States and China. H.‐J. Freund's co-authors include M. W. Roberts, H. Kuhlenbeck, Rüdiger J. Seitz, S. Shaikhutdinov, Ferdinand Binkofski, Jörg Libuda, Donald R. Humphrey, M. Bäumer, Gereon R. Fink and Leonardo Fogassi and has published in prestigious journals such as Physical Review Letters, The Journal of Chemical Physics and Physical review. B, Condensed matter.

In The Last Decade

H.‐J. Freund

154 papers receiving 10.5k 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.

Action observation activates premotor and parietal areas in a somatotopic manner: an fMRI study

2001 1.4k citations H.‐J. Freund et al. profile →
Surface chemistry of carbon dioxide

1996 766 citations H.‐J. Freund et al. profile →
Motor control : concepts and issues

1991 490 citations Donald R. Humphrey, H.‐J. Freund et al. Wiley eBooks profile →
Formation of a well-ordered aluminium oxide overlayer by oxidation of NiAl(110)

1991 486 citations R. Jaeger, H. Kuhlenbeck et al. Surface Science profile →

Peers

Countries citing papers authored by H.‐J. Freund

Since Specialization

Citations

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

Fields of papers citing papers by H.‐J. Freund

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of H.‐J. Freund

This figure shows the co-authorship network connecting the top 25 collaborators of H.‐J. Freund. A scholar is included among the top collaborators of H.‐J. Freund 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 H.‐J. Freund. H.‐J. Freund 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	Stimulate or Degenerate: Deep Brain Stimulation of the Nucleus Basalis Meynert in Alzheimer Dementia 2012 ·World Neurosurgery ·K. Hardenacke, Jens Kuhn, Doris Lenartz, Mohammad Maarouf, K. Jürgen, Christina Bartsch, H.‐J. Freund, Volker Sturm	33
2	First experimental proof for aberration correction in XPEEM: Resolution, transmission enhancement, and limitation by space charge effects 2012 ·Ultramicroscopy ·Thomas Schmidt, Alessandro Sala, Helder Marchetto, E. Umbach, H.‐J. Freund	55
3	Quantum Well States in Two-Dimensional Gold Clusters on MgO Thin Films 2009 ·Physical Review Letters ·Xiao Lin, Niklas Nilius, H.‐J. Freund, Michael Walter, Pentti Frondelius, Karoliina Honkala, Hannu Häkkinen	114
4	Oxygen-Deficient Line Defects in an Ultrathin Aluminum Oxide Film 2006 ·Physical Review Letters ·Michael Schmid, Maxim Shishkin, Georg Kresse, (unknown), П. Варга, M. Kulawik, Niklas Nilius, H.‐P. Rust, H.‐J. Freund	115
5	Morphology and defect structure of the CeO2(111) films grown on Ru(0001) as studied by scanning tunneling microscopy 2006 ·Surface Science ·Junling Lu, Hong‐Jun Gao, S. Shaikhutdinov, H.‐J. Freund	158
6	Quantitative Assessment of Recovery from Motor Hemineglect in Acute Stroke Patients 2006 ·Cerebrovascular Diseases ·(unknown), Raimund Kleiser, A. Wohlschläger, H.‐J. Freund, R.J. Seitz	28
7	Higher-order motor disorders : from neuroanatomy and neurobiology to clinical neurology 2005 ·Oxford University Press eBooks ·H.‐J. Freund	55
8	Atomic Structure of Antiphase Domain Boundaries of a ThinAl2O3Film on NiAl(110) 2003 ·Physical Review Letters ·M. Kulawik, Niklas Nilius, H.‐P. Rust, H.‐J. Freund	96
9	Effects of bilateral pallidal or subthalamic stimulation on gait in advanced Parkinson's disease 2001 ·Movement Disorders ·Niels Allert, Jens Volkmann, (unknown), Harald Hefter, V. Sturm, H.‐J. Freund	70
10	Cortical representation of the anal canal 1998 ·Gastroenterology ·(unknown), Alfons Schnitzler, Otto W. Witte, H.‐J. Freund, Paul Enck	7
11	Central EMG and tests of motor control. Report of an IFCN committee 1994 ·Electroencephalography and Clinical Neurophysiology ·Mark Hallett, Alfredo Berardelli, P. J. Delwaide, H.‐J. Freund, Jun Kimura, C. H. Lücking, John C. Rothwell, Bhagwan T. Shahani, N Yanagisawa	36
12	A pathologically distinct new form of HIV associated encephalopathy 1994 ·Journal of the Neurological Sciences ·Hans-Jürgen von Giesen, Gabriele Arendt, Eva Neuen-Jacob, (unknown), H Jablonowski, H.‐J. Freund	8
13	Adsorption on ordered surfaces of ionic solids and thin films : proceedings of the 106th WE-Heraeus Seminar, Bad Honnef, Germany, February 15-18, 1993 1993 ·Springer eBooks ·E. Umbach, H.‐J. Freund	3
14	Facilitation of somatosensory evoked potentials by exploratory finger movements 1993 ·Experimental Brain Research ·Stefan Knecht, E. Kunesch, Helmut Büchner, H.‐J. Freund	33
15	Motor control : concepts and issues breakdown → 1991 ·Wiley eBooks ·(unknown), Donald R. Humphrey, H.‐J. Freund	490
16	Two cases of cerebral toxoplasmosis in AIDS patients mimicking HIV-related dementia 1991 ·Journal of Neurology ·Gabriele Arendt, Harald Hefter, Christian Figge, (unknown), (unknown), Christoph Elsing, H.‐J. Freund	15
17	Formation of a well-ordered aluminium oxide overlayer by oxidation of NiAl(110) breakdown → 1991 ·Surface Science ·R. Jaeger, H. Kuhlenbeck, H.‐J. Freund, Matthias Wuttig, W. Hoffmann, R. Franchy, H. Ibach	486
18	Post-hypoxic action (intention) myoclonus: a clinico-electroencephalographic study 1988 ·Journal of Neurology ·Otto W. Witte, E. Niedermeyer, Gabriele Arendt, H.‐J. Freund	9
19	CO2 adsorption and reaction on Fe(111): An angle resolved photoemission (ARUPS) study 1987 ·Surface Science ·H.‐J. Freund, H. Behner, B. Bartoś, G. Wedler, H. Kuhlenbeck, M. Neumann	89
20	On the bonding and reactivity of CO2 on metal surfaces 1986 ·Surface Science ·H.‐J. Freund, R. P. Messmer	199

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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