G. Hammerl

7.2k total citations · 3 hit papers
37 papers, 5.7k citations indexed

About

G. Hammerl is a scholar working on Condensed Matter Physics, Electronic, Optical and Magnetic Materials and Materials Chemistry. According to data from OpenAlex, G. Hammerl has authored 37 papers receiving a total of 5.7k indexed citations (citations by other indexed papers that have themselves been cited), including 29 papers in Condensed Matter Physics, 26 papers in Electronic, Optical and Magnetic Materials and 12 papers in Materials Chemistry. Recurrent topics in G. Hammerl's work include Physics of Superconductivity and Magnetism (22 papers), Magnetic and transport properties of perovskites and related materials (19 papers) and Advanced Condensed Matter Physics (16 papers). G. Hammerl is often cited by papers focused on Physics of Superconductivity and Magnetism (22 papers), Magnetic and transport properties of perovskites and related materials (19 papers) and Advanced Condensed Matter Physics (16 papers). G. Hammerl collaborates with scholars based in Germany, United States and France. G. Hammerl's co-authors include J. Mannhart, Stefan Thiel, C. Schneider, A. Schmehl, Nicolas Reyren, Andrea D. Caviglia, D. Jaccard, M. Gabay, Christoph Richter and Thilo Kopp and has published in prestigious journals such as Nature, Science and Physical Review Letters.

In The Last Decade

G. Hammerl

37 papers receiving 5.6k 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.

Superconducting Interfaces Between Insulating Oxides

2007 2.1k citations Nicolas Reyren, Stefan Thiel et al. Science profile →
Tunable Quasi-Two-Dimensional Electron Gases in Oxide Heterostructures

2006 1.2k citations Stefan Thiel, G. Hammerl et al. Science profile →
Electric field control of the LaAlO3/SrTiO3 interface ground state

2008 931 citations Andrea D. Caviglia, Stefano Gariglio et al. Nature profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
G. Hammerl Germany	16	4.9k	4.1k	2.2k	1.8k	765	37	5.7k
Stefan Thiel Germany	14	5.8k 1.2×	4.6k 1.1×	1.9k 0.9×	2.3k 1.3×	706 0.9×	24	6.3k
Andrea D. Caviglia Netherlands	31	5.1k 1.1×	4.2k 1.0×	2.3k 1.1×	1.9k 1.1×	1.2k 1.6×	71	6.2k
Thilo Kopp Germany	28	3.0k 0.6×	2.8k 0.7×	2.1k 1.0×	980 0.5×	988 1.3×	91	4.2k
A. Schmehl Germany	21	2.1k 0.4×	2.0k 0.5×	1.4k 0.7×	987 0.5×	602 0.8×	50	3.2k
Thomas Lottermoser Germany	26	3.4k 0.7×	4.5k 1.1×	1.7k 0.8×	561 0.3×	578 0.8×	65	5.1k
E. Giannini Switzerland	34	2.8k 0.6×	1.5k 0.4×	1.7k 0.8×	975 0.5×	1.5k 2.0×	138	4.4k
K. D. Belashchenko United States	31	2.1k 0.4×	2.3k 0.6×	2.3k 1.1×	720 0.4×	1.8k 2.3×	115	4.5k
Zhao‐Hua Cheng China	38	2.9k 0.6×	5.6k 1.3×	3.3k 1.5×	571 0.3×	1.5k 1.9×	244	6.6k
Y. Horibe Japan	28	2.5k 0.5×	2.7k 0.6×	1.5k 0.7×	423 0.2×	723 0.9×	96	3.8k
Zhenglu Li United States	17	4.4k 0.9×	1.7k 0.4×	778 0.4×	1.4k 0.8×	1.5k 2.0×	36	5.1k

Countries citing papers authored by G. Hammerl

Since Specialization

Citations

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

Fields of papers citing papers by G. Hammerl

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of G. Hammerl

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

Kopp, Thilo, et al.. (2017). Observation of two-dimensional superconductivity in bilayers of BaBiO3 and BaPbO3. Physical review. B.. 96(10). 15 indexed citations

Jany, Rainer, G. Hammerl, Christoph Richter, et al.. (2010). Diodes with breakdown voltages enhanced by the metal-insulator transition of LaAlO<sub>3</sub>–SrTiO<sub>3</sub> interfaces. Archive ouverte UNIGE (University of Geneva). 15 indexed citations

Павленко, Н. В., Stefan Paetel, Christoph Richter, et al.. (2010). Two-dimensional electron liquid state atLaAlO3-SrTiO3interfaces. Physical Review B. 81(15). 89 indexed citations

Caviglia, Andrea D., Stefano Gariglio, Nicolas Reyren, et al.. (2008). Electric field control of the LaAlO3/SrTiO3 interface ground state. Nature. 456(7222). 624–627. 931 indexed citations breakdown →

Cen, Cheng, Stefan Thiel, G. Hammerl, et al.. (2008). Nanoscale control of an interfacial metal–insulator transition at room temperature. Nature Materials. 7(4). 298–302. 462 indexed citations

Thiel, Stefan, David A. Muller, G. Hammerl, et al.. (2007). Electron Gases in Oxide Heterostructures. MRS Proceedings. 1000(1). 1 indexed citations

Schneider, C., Stefan Thiel, G. Hammerl, Christoph Richter, & J. Mannhart. (2006). Microlithography of electron gases formed at interfaces in oxide heterostructures. Applied Physics Letters. 89(12). 84 indexed citations

Thiel, Stefan, G. Hammerl, A. Schmehl, C. Schneider, & J. Mannhart. (2006). Tunable Quasi-Two-Dimensional Electron Gases in Oxide Heterostructures. Science. 313(5795). 1942–1945. 1236 indexed citations breakdown →

Oates, D.E., G. Hammerl, J. Mannhart, et al.. (2005). Linear and nonlinear microwave properties of Ca-dopedYBa2Cu3O7−δthin films. Physical Review B. 72(10). 7 indexed citations

10.

Tsuei, C. C., J. R. Kirtley, G. Hammerl, et al.. (2004). Robustdx2−y2Pairing Symmetry in Hole-Doped Cuprate Superconductors. Physical Review Letters. 93(18). 187004–187004. 48 indexed citations

11.

Schneider, C., S. Hembacher, G. Hammerl, et al.. (2004). Electron Transport throughYBa2Cu3O7−δGrain Boundary Interfaces between 4.2 and 300 K. Physical Review Letters. 92(25). 257003–257003. 9 indexed citations

12.

Schneider, C., W. K. Neils, H. Bielefeldt, et al.. (2003). Pairing symmetry in Bi ₂ Sr ₂ Ca ₁ Cu ₂ O _{8 + x}. Europhysics Letters (EPL). 64(4). 489–495. 4 indexed citations

13.

Mint︠s︡, R. G., et al.. (2002). Observation of Splintered Josephson Vortices at Grain Boundaries inYBa2Cu3O7−δ. Physical Review Letters. 89(6). 67004–67004. 48 indexed citations

14.

Mannhart, J., H. Hilgenkamp, G. Hammerl, & C. Schneider. (2002). Experiments with d-wave Superconductors. Physica Scripta. T102(1). 107–107. 9 indexed citations

15.

Bielefeldt, H., et al.. (2002). Coated conductors containing grains with big aspect ratios. Annalen der Physik. 11(7). 497–502. 3 indexed citations

16.

Yeh, N.-C., Pierre Sénéor, C. U. Jung, et al.. (2002). Investigating the pairing state of cuprate superconductors via quasiparticle tunneling and spin injection. Physica C Superconductivity. 367(1-4). 174–180. 8 indexed citations

17.

Yeh, N.-C., G. Hammerl, J. Mannhart, et al.. (2001). Spatial homogeneity and doping dependence of quasiparticle tunneling spectra in cuprate superconductors. Physica C Superconductivity. 364-365. 450–457. 8 indexed citations

18.

Yeh, N.-C., G. Hammerl, J. Mannhart, et al.. (2001). Evidence of Doping-Dependent Pairing Symmetry in Cuprate Superconductors. Physical Review Letters. 87(8). 87003–87003. 96 indexed citations

19.

Schneider, C., H. Bielefeldt, B. Goetz, et al.. (2001). Interfaces in high-Tc superconductors: fundamental insights and possible applications. Current Applied Physics. 1(4-5). 349–353. 2 indexed citations

20.

Hammerl, G., H. Bielefeldt, B. Goetz, et al.. (2001). Doping-induced enhancement of grain boundary critical currents. IEEE Transactions on Applied Superconductivity. 11(1). 2830–2837. 12 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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