Robert J. Twieg

13.5k total citations · 2 hit papers
289 papers, 11.0k citations indexed

About

Robert J. Twieg is a scholar working on Electronic, Optical and Magnetic Materials, Atomic and Molecular Physics, and Optics and Electrical and Electronic Engineering. According to data from OpenAlex, Robert J. Twieg has authored 289 papers receiving a total of 11.0k indexed citations (citations by other indexed papers that have themselves been cited), including 187 papers in Electronic, Optical and Magnetic Materials, 100 papers in Atomic and Molecular Physics, and Optics and 83 papers in Electrical and Electronic Engineering. Recurrent topics in Robert J. Twieg's work include Liquid Crystal Research Advancements (123 papers), Nonlinear Optical Materials Research (70 papers) and Photorefractive and Nonlinear Optics (59 papers). Robert J. Twieg is often cited by papers focused on Liquid Crystal Research Advancements (123 papers), Nonlinear Optical Materials Research (70 papers) and Photorefractive and Nonlinear Optics (59 papers). Robert J. Twieg collaborates with scholars based in United States, France and Germany. Robert J. Twieg's co-authors include W. E. Moerner, Samuel J. Lord, Zhikuan Lu, John F. Rabolt, Thomas P. Russell, Christopher R. Moylan, Na Liu, J. C. Scott, Stephen Ducharme and Jarrod Williams and has published in prestigious journals such as Science, Proceedings of the National Academy of Sciences and Journal of the American Chemical Society.

In The Last Decade

Robert J. Twieg

282 papers receiving 10.4k citations

Hit Papers

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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.

Three-dimensional, single-molecule fluorescence imaging beyond the diffraction limit by using a double-helix point spread function

2009 756 citations Robert J. Twieg, W. E. Moerner et al. profile →
Observation of the photorefractive effect in a polymer

1991 459 citations Stephen Ducharme, J. C. Scott et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Robert J. Twieg United States	57	4.7k	3.2k	3.1k	2.7k	2.4k	289	11.0k
Koen Clays Belgium	63	8.4k 1.8×	3.1k 1.0×	6.5k 2.1×	2.0k 0.8×	3.6k 1.5×	378	14.7k
Lasse Jensen United States	52	5.3k 1.1×	2.8k 0.9×	3.5k 1.1×	1.4k 0.5×	825 0.3×	171	9.1k
Thierry Verbiest Belgium	55	5.1k 1.1×	3.0k 0.9×	4.1k 1.3×	2.1k 0.8×	2.5k 1.0×	347	11.7k
Bruce H. Robinson United States	47	3.6k 0.8×	1.7k 0.5×	2.3k 0.7×	1.9k 0.7×	775 0.3×	175	7.4k
André Persoons Belgium	61	7.2k 1.5×	3.2k 1.0×	5.4k 1.7×	2.0k 0.8×	4.4k 1.8×	316	13.8k
Joseph Zyss France	65	9.7k 2.1×	3.7k 1.2×	6.2k 2.0×	2.8k 1.0×	3.7k 1.5×	375	15.6k
Martti Kauranen Finland	48	4.9k 1.0×	4.5k 1.4×	1.9k 0.6×	2.1k 0.8×	1.1k 0.4×	219	9.6k
Claudio Zannoni Italy	51	5.2k 1.1×	2.1k 0.7×	3.6k 1.2×	1.4k 0.5×	1.7k 0.7×	298	8.9k
Gregory V. Hartland United States	56	6.5k 1.4×	2.9k 0.9×	5.0k 1.6×	1.9k 0.7×	566 0.2×	185	12.8k
Larry R. Dalton United States	78	10.9k 2.3×	6.5k 2.0×	6.5k 2.1×	10.3k 3.8×	2.4k 1.0×	575	22.1k

Countries citing papers authored by Robert J. Twieg

Since Specialization

Citations

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

Fields of papers citing papers by Robert J. Twieg

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Robert J. Twieg

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

Twieg, Robert J., et al.. (2025). First-Principles Study of O₂ Activation over Pd Adclusters and Embedded Clusters in Pd–Au Bimetallic Surfaces. The Journal of Physical Chemistry C. 129(10). 5010–5020.

Wang, Hao, A. R. Baldwin, Robert J. Twieg, et al.. (2025). Dynamics of the antiferroelectric smectic-Z _A phase in a ferroelectric nematic liquid crystal. Soft Matter. 21(44). 8510–8522. 1 indexed citations

Bao, Nanqi, Tibor Szilvási, Trevor Franklin, et al.. (2024). Design of Chemoresponsive Liquid Crystals Using Metal-Coordinating Polymer Surfaces. ACS Applied Materials & Interfaces. 17(1). 2425–2435. 1 indexed citations

Twieg, Robert J., et al.. (2024). Electrically Tunable Chiral Ferroelectric Nematic Liquid Crystal Reflectors. Advanced Functional Materials. 35(3). 7 indexed citations

Ellman, Brett, et al.. (2024). Minimalist columnar liquid crystals: influence of fluorination on the mesogenic behavior of tetramethoxytriphenylene derivatives. Materials Advances. 5(22). 9032–9040. 3 indexed citations

Kula, Przemysław, et al.. (2024). Optically Isotropic Polymer Stabilized Liquid Crystals with Fast and Large Field‐Induced Refractive Index Variation. Advanced Optical Materials. 12(34). 5 indexed citations

Twieg, Robert J., et al.. (2022). Ferroelectric nematic droplets in their isotropic melt. Soft Matter. 19(3). 347–354. 22 indexed citations

Szilvási, Tibor, Huaizhe Yu, Jake I. Gold, et al.. (2021). Coupling the chemical reactivity of bimetallic surfaces to the orientations of liquid crystals. Materials Horizons. 8(7). 2050–2056. 8 indexed citations

Wang, Kunlun, Tibor Szilvási, Jake I. Gold, et al.. (2019). New room temperature nematogens by cyano tail termination of alkoxy and alkylcyanobiphenyls and their anchoring behavior on metal salt-decorated surface. Liquid Crystals. 47(4). 540–556. 15 indexed citations

10.

Dawson, Nathan J., Sanjoy Paul, Brett Ellman, et al.. (2015). Interfacial trapping in an aged discotic liquid crystal semiconductor. Journal of Applied Physics. 118(8). 6 indexed citations

11.

Lu, Lu, Yi Huang, Ke Zhang, et al.. (2010). 41.2: The Use of Fluorinated Alignment Layers to Reduce Image Retention in Liquid Crystal Displays. SID Symposium Digest of Technical Papers. 41(1). 583–586. 1 indexed citations

12.

Chen, Zhigang, Oksana Ostroverkhova, W. E. Moerner, et al.. (2003). Self-trapping of light in a photorefractive organic glass. Conference on Lasers and Electro-Optics. 1 indexed citations

13.

Díaz‐García, María A., D. Wright, Michael S. DeClue, et al.. (1998). HIGH-SPEED PHOTOREFRACTIVE POLYMER COMPOSITES. Conference on Lasers and Electro-Optics. 25 indexed citations

14.

Twieg, Robert J., et al.. (1996). Tolane oligomers: Model thermotropic liquid crystals. Liquid Crystals. 20(3). 287–292. 20 indexed citations

15.

Moerner, W. E., Constantina Poga, Yan Jia, & Robert J. Twieg. (1995). Photorefractive Polymers for Holographic Optical Storage. WGG.1–WGG.1. 1 indexed citations

16.

Burland, D. M., R. Miller, Robert J. Twieg, W. Volksen, & C. A. Walsh. (1994). Assessment of Polymeric Materials for Second-harmonic Generation and Electro-optic Applications.. 7. 189–192. 1 indexed citations

17.

Pfeiffer, Matthias, et al.. (1991). The strong temperature dependent goldstone mode relaxation frequency in a broad range SmC* phase. Ferroelectrics. 121(1). 55–68. 19 indexed citations

18.

Moerner, W. E., Stephen Ducharme, J. C. Scott, & Robert J. Twieg. (1991). Observation of the photorefractive effect in doped nonlinear polymers. Quantum Electronics and Laser Science Conference.

19.

Viney, Christopher, Robert J. Twieg, & T. P. Russell. (1990). Liquid Crystalline Phases Formed by Iodine Derivatives of Semifluorinated Alkanes. Molecular Crystals and Liquid Crystals Incorporating Nonlinear Optics. 182(1). 291–297. 1 indexed citations

20.

Eich, Manfred, Bernd Reck, Robert J. Twieg, et al.. (1989). Nonlinear optical properties of in situ corona poled polymers. Quantum Electronics and Laser Science Conference. 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.

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