R. Wittmann

522 total citations
31 papers, 400 citations indexed

About

R. Wittmann is a scholar working on Materials Chemistry, Mechanical Engineering and Geochemistry and Petrology. According to data from OpenAlex, R. Wittmann has authored 31 papers receiving a total of 400 indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Materials Chemistry, 13 papers in Mechanical Engineering and 7 papers in Geochemistry and Petrology. Recurrent topics in R. Wittmann's work include Quasicrystal Structures and Properties (19 papers), X-ray Diffraction in Crystallography (10 papers) and Microstructure and mechanical properties (8 papers). R. Wittmann is often cited by papers focused on Quasicrystal Structures and Properties (19 papers), X-ray Diffraction in Crystallography (10 papers) and Microstructure and mechanical properties (8 papers). R. Wittmann collaborates with scholars based in Germany, France and United Kingdom. R. Wittmann's co-authors include B. Grushko, K. Urban, Dagmar Gerthsen, D. Holland‐Moritz, Markus Döblinger, Erhard Hornbogen, Gerhard Wilde, Pascale Launois, R. Reich and F. Dénoyer and has published in prestigious journals such as Physical review. B, Condensed matter, Materials Science and Engineering A and Journal of Materials Science.

In The Last Decade

R. Wittmann

31 papers receiving 374 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
R. Wittmann Germany 12 310 114 110 47 24 31 400
G. A. Jerman United States 9 208 0.7× 131 1.1× 19 0.2× 49 1.0× 68 2.8× 36 345
Kin F. Man United States 4 202 0.7× 138 1.2× 7 0.1× 31 0.7× 79 3.3× 8 332
R. Mikulla Germany 8 337 1.1× 96 0.8× 88 0.8× 26 0.6× 18 0.8× 9 415
B. Loberg Sweden 13 134 0.4× 145 1.3× 29 0.3× 21 0.4× 14 0.6× 40 447
Chengzheng Hu China 14 865 2.8× 116 1.0× 291 2.6× 19 0.4× 5 0.2× 30 907
Farangis Ram United States 10 173 0.6× 202 1.8× 11 0.1× 38 0.8× 39 1.6× 13 391
Tomotsugu Aoyama Japan 11 284 0.9× 147 1.3× 8 0.1× 103 2.2× 86 3.6× 18 375
S. Reutzel Germany 10 345 1.1× 261 2.3× 15 0.1× 157 3.3× 5 0.2× 18 417
Erlan Batyrbekov Kazakhstan 11 160 0.5× 53 0.5× 6 0.1× 59 1.3× 72 3.0× 59 294
S.V. Malykhin Ukraine 11 336 1.1× 141 1.2× 21 0.2× 30 0.6× 24 1.0× 34 380

Countries citing papers authored by R. Wittmann

Since Specialization
Citations

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

Fields of papers citing papers by R. Wittmann

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of R. Wittmann

This figure shows the co-authorship network connecting the top 25 collaborators of R. Wittmann. A scholar is included among the top collaborators of R. Wittmann 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. Wittmann. R. Wittmann is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Wittmann, R., Hans‐Joachim Bungartz, & Philipp Neumann. (2017). High performance shallow water kernels for parallel overland flow simulations based on FullSWOF2D. Computers & Mathematics with Applications. 74(1). 110–125. 15 indexed citations
2.
Weinzierl, Tobias, et al.. (2014). Hardware-aware block size tailoring on adaptive spacetree grids for shallow water waves. Durham Research Online (Durham University). 3 indexed citations
3.
Huckle, Thomas, et al.. (2014). A blocked QR-decomposition for the parallel symmetric eigenvalue problem. Parallel Computing. 40(7). 186–194. 8 indexed citations
4.
Döblinger, Markus, R. Wittmann, & B. Grushko. (2003). Initial stages of the decomposition of the decagonal phase in the system Al–Ni–Fe. Journal of Alloys and Compounds. 360(1-2). 162–167. 9 indexed citations
5.
Grushko, B., Markus Döblinger, R. Wittmann, & D. Holland‐Moritz. (2002). A study of high-Co Al–Ni–Co decagonal phase. Journal of Alloys and Compounds. 342(1-2). 30–34. 8 indexed citations
6.
Döblinger, Markus, R. Wittmann, & B. Grushko. (2001). Metastable transformation states of decagonal Al-Co-Ni due to inhibited decomposition. Physical review. B, Condensed matter. 64(13). 10 indexed citations
7.
Wittmann, R., et al.. (2000). Dislocation properties of polycrystalline Fe–Cr–Al alloys and their correlation with mechanical properties. Materials Science and Engineering A. 289(1-2). 151–161. 6 indexed citations
8.
Döblinger, Markus, R. Wittmann, Dagmar Gerthsen, & B. Grushko. (2000). Structural relationship and mutual transformation of approximants of the decagonal Al–Co–Ni phase. Materials Science and Engineering A. 294-296. 131–134. 8 indexed citations
9.
Wittmann, R., et al.. (1999). Investigation of dislocation networks in dispersion-strengthened aluminum. Materials Science and Engineering A. 266(1-2). 183–190. 1 indexed citations
10.
Grushko, B., D. Holland‐Moritz, R. Wittmann, & Gerhard Wilde. (1998). Transition between periodic and quasiperiodic structures in Al–Ni–Co. Journal of Alloys and Compounds. 280(1-2). 215–230. 54 indexed citations
11.
Wittmann, R., et al.. (1998). Quantitative determination of lattice parameters from CBED patterns: accuracy and performance. Ultramicroscopy. 70(3). 145–159. 33 indexed citations
12.
Lange, Jakob, M. Brede, R. Wittmann, et al.. (1998). Embrittlement of FE-CR-AL-ALLOYS. MRS Proceedings. 539. 2 indexed citations
13.
Wittmann, R.. (1995). Note on the Burgers vector determination of dislocations in two-dimensional quasicrystals. Philosophical Magazine Letters. 72(2). 87–91. 1 indexed citations
14.
Kloess, Gert, et al.. (1994). Mass density and perfection of decagonal quasicrystals with nominal composition Al62Cu20Co15Si3. physica status solidi (a). 144(1). K5–K9. 5 indexed citations
15.
Grushko, B., R. Wittmann, & K. Urban. (1994). Structural variations and transformation behavior of the Al68Cu11Co21 decagonal phase. Journal of materials research/Pratt's guide to venture capital sources. 9(11). 2899–2906. 14 indexed citations
16.
Grushko, B., R. Wittmann, & K. Urban. (1993). Investigation of the Al-Cu-Co decagonal phase with a low copper content. Philosophical Magazine Letters. 67(1). 25–33. 15 indexed citations
17.
Carstanjen, H. D., et al.. (1992). Direct confirmation of the quasicrystalline structure of aT-phase quasicrystal by ion channeling combined with Rutherford backscattering. Physical review. B, Condensed matter. 45(18). 10822–10825. 6 indexed citations
18.
Grushko, B., R. Wittmann, & K. Urban. (1992). On the solidification of Al62Cu20Co15Si3 and Al61Cu19.5Co14.5Si5 alloys. Journal of materials research/Pratt's guide to venture capital sources. 7(10). 2713–2723. 21 indexed citations
19.
Carstanjen, H. D., et al.. (1992). Ion channeling in T-phase quasicrystals: an investigation by Rutherford backscattering and particle induced X-ray emission. Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms. 67(1-4). 173–179. 8 indexed citations
20.
Wittmann, R., et al.. (1991). Electrical resistivity and crystallization behaviour of icosahedral Al51Cu12.5Mg36.5. The European Physical Journal B. 83(2). 193–198. 1 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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by G. A. Jerman Breakdown of academic impact, for papers by Kin F. Man Breakdown of academic impact, for papers by R. Mikulla Breakdown of academic impact, for papers by B. Loberg Breakdown of academic impact, for papers by Chengzheng Hu Breakdown of academic impact, for papers by Farangis Ram Breakdown of academic impact, for papers by Tomotsugu Aoyama Breakdown of academic impact, for papers by S. Reutzel Breakdown of academic impact, for papers by Erlan Batyrbekov Breakdown of academic impact, for papers by S.V. Malykhin
Rankless by CCL
2026