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Stephan Roche

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Stephan S. Roche is a theoretician studying quantum transport theory in condensed matter, spin transport physics and devices simulation. Roche is a ICREA Research Professor since 2009,[1] and the head of "Theoretical & computational Nanoscience Group" at the Catalan Institute of Nanoscience and Nanotechnology.[2]

Roche works in the fields of theoretical and computational nanoscience, with a strong expertise of quantum transport physics in Dirac materials (graphene & topological insulators) and 2D materials-based van der Waals heterostructures.[3] He made contributions unveiling nontrivial charge, thermal and spin transport phenomena in complex and disordered condensed matter (giant spin transport anisotropy and spin Hall effect by proximity effects, non-equilibrium laser-induced energy gaps in graphene, Anderson localization, etc).[4] He also works on the development of linear scaling quantum transport approaches, which enables simulations of billion atoms-scale disordered models (www.lsquant.org), methods which are now connected with Artificial Intelligence methods.

Research and career

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S. Roche has worked as PhD, postdoc, assistant professor, research staff member and visiting researchers at many institutions, including French CNRS and CEA, the University of Valladolid (Spain), TU Dresden, the National University of Singapore, and University of Tokyo. [citation needed]S. Roche has co-authored around 270 journal papers (WoS), including Reviews of Modern Physics, over 40 publications in Physical Review Letters and Nano Letters, and 12 significant papers and reviews in the Nature series (Nature, Nature Nanotechnology, Nature Physics, Nature Materials, and Nature Communications).[5]

Since 2013, he has served as the deputy and leader of the Spintronics work package in the Graphene Flagship (GF) and is currently leading the 'Enabling Science and Materials' Division, where he is also a member of the GF management panel. He has been the Editor-in-Chief of J. Phys. Materials (IOP) since 2018 and the main organiser of the prominent international conference series GRAPHENE 20XX (www.grapheneconf.com) and, since 2011, QUANTUM MATTER 20XX (www.quantumconf.eu)

Research goals

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Roche conducts theoretical research in quantum science, uncovering new quantum transport phenomena in nanoelectronics, spintronics, and topological physics. Using advanced computational methods, including linear-scaling quantum transport models, Roche's research group investigates complex, disordered nanomaterials.[2] These models, capable of simulating up to a billion atoms, reveal nontrivial quantum transport behavior in two-dimensional materials and topological systems. Alongside this, TCN leverages its computational power and predictive modeling to support, guide, and inspire experimental and technological research, fostering collaborations and funding opportunities with major industries and SMEs, including Samsung, Thales, Avanzare, Graphenea, and Multiverse.

Awards and honours

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Selected publications

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  • Fan, Zheyong; Garcia, José H.; Cummings, Aron W.; Barrios-Vargas, Jose Eduardo; Panhans, Michel; Harju, Ari; Ortmann, Frank; Roche, Stephan (April 2021). "Linear scaling quantum transport methodologies". Physics Reports. 903: 1–69. arXiv:1811.07387. Bibcode:2021PhR...903....1F. doi:10.1016/j.physrep.2020.12.001.
  • Hong, Seokmo; Lee, Chang-Seok; Lee, Min-Hyun; Lee, Yeongdong; Ma, Kyung Yeol; Kim, Gwangwoo; Yoon, Seong In; Ihm, Kyuwook; Kim, Ki-Jeong; Shin, Tae Joo; Kim, Sang Won; Jeon, Eun-chae; Jeon, Hansol; Kim, Ju-Young; Lee, Hyung-Ik; Lee, Zonghoon; Antidormi, Aleandro; Roche, Stephan; Chhowalla, Manish; Shin, Hyeon-Jin; Shin, Hyeon Suk (25 June 2020). "Ultralow-dielectric-constant amorphous boron nitride". Nature. 582 (7813): 511–514. Bibcode:2020Natur.582..511H. doi:10.1038/s41586-020-2375-9. PMID 32581381.
  • Benítez, L. Antonio; Savero Torres, Williams; Sierra, Juan F.; Timmermans, Matias; Garcia, Jose H.; Roche, Stephan; Costache, Marius V.; Valenzuela, Sergio O. (February 2020). "Tunable room-temperature spin galvanic and spin Hall effects in van der Waals heterostructures". Nature Materials. 19 (2): 170–175. arXiv:1908.07868. Bibcode:2020NatMa..19..170B. doi:10.1038/s41563-019-0575-1. PMID 31907417.
  • Tuan, Dinh Van; Ortmann, Frank; Soriano, David; Valenzuela, Sergio O.; Roche, Stephan (November 2014). "Pseudospin-driven spin relaxation mechanism in graphene". Nature Physics. 10 (11): 857–863. arXiv:1804.10682. Bibcode:2014NatPh..10..857T. doi:10.1038/nphys3083. 

References

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  1. ^ "ICREA". www.icrea.cat. Retrieved 2024-10-01.
  2. ^ a b "Theoretical and Computational Nanoscience Group - ICN2". icn2.cat. Retrieved 2024-10-01.
  3. ^ Yang, Hyunsoo; Valenzuela, Sergio O.; Chshiev, Mairbek; Couet, Sébastien; Dieny, Bernard; Dlubak, Bruno; Fert, Albert; Garello, Kevin; Jamet, Matthieu; Jeong, Dae-Eun; Lee, Kangho; Lee, Taeyoung; Martin, Marie-Blandine; Kar, Gouri Sankar; Sénéor, Pierre (2022-06-22). "Two-dimensional materials prospects for non-volatile spintronic memories". Nature. 606 (7915): 663–673. Bibcode:2022Natur.606..663Y. doi:10.1038/s41586-022-04768-0. ISSN 0028-0836. PMID 35732761.
  4. ^ Comissió Europea (2020-07-22). Recerca sobre el grafè a l'ICN2 - Entrevista al prof. ICREA Stephan Roche. Retrieved 2024-10-01 – via YouTube.
  5. ^ "Google Scholar - Stephan Roche - Scientific Publications List".
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