Roshan Krishna Kumar

4.0k total citations · 2 hit papers
25 papers, 2.7k citations indexed

About

Roshan Krishna Kumar is a scholar working on Materials Chemistry, Atomic and Molecular Physics, and Optics and Electrical and Electronic Engineering. According to data from OpenAlex, Roshan Krishna Kumar has authored 25 papers receiving a total of 2.7k indexed citations (citations by other indexed papers that have themselves been cited), including 21 papers in Materials Chemistry, 19 papers in Atomic and Molecular Physics, and Optics and 4 papers in Electrical and Electronic Engineering. Recurrent topics in Roshan Krishna Kumar's work include Graphene research and applications (20 papers), Quantum and electron transport phenomena (15 papers) and Topological Materials and Phenomena (7 papers). Roshan Krishna Kumar is often cited by papers focused on Graphene research and applications (20 papers), Quantum and electron transport phenomena (15 papers) and Topological Materials and Phenomena (7 papers). Roshan Krishna Kumar collaborates with scholars based in United Kingdom, Japan and Spain. Roshan Krishna Kumar's co-authors include A. K. Geǐm, I. V. Grigorieva, D. A. Bandurin, Kostya S. Novoselov, M. Ben Shalom, Gregory Auton, Yang Cao, Vladimir I. Fal’ko, Marco Polini and Alessandro Principi and has published in prestigious journals such as Science, Proceedings of the National Academy of Sciences and Nature Communications.

In The Last Decade

Roshan Krishna Kumar

23 papers receiving 2.6k 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.

High electron mobility, quantum Hall effect and anomalous optical response in atomically thin InSe

2016 1.1k citations D. A. Bandurin, Anastasia V. Tyurnina et al. Nature Nanotechnology profile →
Negative local resistance caused by viscous electron backflow in graphene

2016 457 citations D. A. Bandurin, Iacopo Torre et al. Science profile →

Peers

Roshan Krishna Kumar

AMPO

EEE

CMP

D. A. Bandurin Russia

Michael Hilke Canada

Fereshte Ghahari United States

Johannes Gooth Germany

Alexander Tzalenchuk United Kingdom

Pilkyung Moon Japan

Justin C. W. Song Singapore

Rafi Bistritzer United States

Ahmet Kemal Demir Türkiye

M. Ben Shalom Israel

D. A. Bandurin Russia

Roshan Krishna Kumar

2.0k ×1.0

1.3k ×1.0

AMPO

1.1k ×1.1

EEE

389 ×1.1

317 ×1.1

CMP

Citations per year, relative to Roshan Krishna Kumar Roshan Krishna Kumar (= 1×) peers D. A. Bandurin

Countries citing papers authored by Roshan Krishna Kumar

Since Specialization

Citations

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

Fields of papers citing papers by Roshan Krishna Kumar

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Roshan Krishna Kumar. 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 Roshan Krishna Kumar. The network helps show where Roshan Krishna Kumar may publish in the future.

Co-authorship network of co-authors of Roshan Krishna Kumar

This figure shows the co-authorship network connecting the top 25 collaborators of Roshan Krishna Kumar. A scholar is included among the top collaborators of Roshan Krishna Kumar 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 Roshan Krishna Kumar. Roshan Krishna Kumar 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

Călugăru, Dumitru, Haoyu Hu, Roshan Krishna Kumar, et al.. (2025). Photovoltage microscopy of symmetrically twisted trilayer graphene. Nature Physics. 21(12). 1934–1941.

Castilla, Sebastián, Ioannis Vangelidis, Yu. V. Bludov, et al.. (2024). Electrical spectroscopy of polaritonic nanoresonators. Nature Communications. 15(1). 8635–8635. 2 indexed citations

Kumar, Roshan Krishna, Petr Stepanov, Pierre A. Pantaleón, et al.. (2024). Infrared Spectroscopy for Diagnosing Superlattice Minibands in Twisted Bilayer Graphene near the Magic Angle. Nano Letters. 24(50). 15956–15963. 1 indexed citations

Hesp, Niels C. H., Roshan Krishna Kumar, Hanan Herzig Sheinfux, et al.. (2024). Cryogenic nano-imaging of second-order moiré superlattices. Nature Materials. 23(12). 1664–1670. 5 indexed citations

Principi, Alessandro, Antoine Reserbat‐Plantey, Kenji Watanabe, et al.. (2023). Ultra-broadband photoconductivity in twisted graphene heterostructures with large responsivity. Nature Photonics. 17(12). 1047–1053. 28 indexed citations

Kumar, Roshan Krishna. (2023). Mesoscopic Schwinger effect. Nature Physics. 19(6). 768–769. 1 indexed citations

Ma, Qiong, Roshan Krishna Kumar, Su‐Yang Xu, Frank H. L. Koppens, & Justin C. W. Song. (2023). Photocurrent as a multiphysics diagnostic of quantum materials. Nature Reviews Physics. 5(3). 170–184. 88 indexed citations

Sheinfux, Hanan Herzig, Iacopo Torre, Roshan Krishna Kumar, et al.. (2022). Engineering high quality graphene superlattices via ion milled ultra-thin etching masks. Nature Communications. 13(1). 6926–6926. 22 indexed citations

Kim, Minsoo, Shuigang Xu, Alexey I. Berdyugin, et al.. (2020). Control of electron-electron interaction in graphene by proximity screening. Nature Communications. 11(1). 2339–2339. 52 indexed citations

10.

Kim, Minsoo, Shuigang Xu, Alexey I. Berdyugin, et al.. (2020). Publisher Correction: Control of electron–electron interaction in graphene by proximity screening. Nature Communications. 11(1). 3054–3054. 2 indexed citations

11.

Berdyugin, Alexey I., Shuigang Xu, F. M. D. Pellegrino, et al.. (2019). Measuring Hall viscosity of graphene’s electron fluid. Science. 364(6436). 162–165. 196 indexed citations

12.

Xu, Shuigang, Alexey I. Berdyugin, Piranavan Kumaravadivel, et al.. (2019). Giant oscillations in a triangular network of one-dimensional states in marginally twisted graphene. Nature Communications. 10(1). 4008–4008. 74 indexed citations

13.

Greenaway, M. T., Roshan Krishna Kumar, Piranavan Kumaravadivel, A. K. Geǐm, & L. Eaves. (2019). Magnetophonon spectroscopy of Dirac fermion scattering by transverse and longitudinal acoustic phonons in graphene. Physical review. B.. 100(15). 9 indexed citations

14.

Bandurin, D. A., Roshan Krishna Kumar, Yang Cao, et al.. (2018). Superballistic flow of viscous electron fluid through graphene constrictions. APS March Meeting Abstracts. 2018.

15.

Bandurin, D. A., A. V. Shytov, Leonid Levitov, et al.. (2018). Fluidity onset in graphene. Nature Communications. 9(1). 4533–4533. 122 indexed citations

16.

Wallbank, John R., Roshan Krishna Kumar, Matthew Holwill, et al.. (2018). Excess resistivity in graphene superlattices caused by umklapp electron–electron scattering. Nature Physics. 15(1). 32–36. 51 indexed citations

17.

Kumar, Roshan Krishna, X. Chen, Gregory Auton, et al.. (2017). High-temperature quantum oscillations caused by recurring Bloch states in graphene superlattices. Science. 357(6347). 181–184. 87 indexed citations

18.

Bandurin, D. A., Anastasia V. Tyurnina, Geliang Yu, et al.. (2016). High electron mobility, quantum Hall effect and anomalous optical response in atomically thin InSe. Nature Nanotechnology. 12(3). 223–227. 1071 indexed citations breakdown →

19.

Auton, Gregory, Jiawei Zhang, Roshan Krishna Kumar, et al.. (2016). Graphene ballistic nano-rectifier with very high responsivity. Nature Communications. 7(1). 76 indexed citations

20.

Kumar, Roshan Krishna, Gregory Auton, A. K. Geǐm, et al.. (2016). Scaling approach to tight-binding transport in realistic graphene devices: The case of transverse magnetic focusing. Physical review. B.. 94(11). 15 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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