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5 publications classées par date - Critères de recherche: Kumar


⋄ Single-photon detection enabled by negative differential conductivity in moiré superlattices

K. Nowakowski, H. Agarwal, S. Slizovskiy, R. Smeyers, X. Wang, Z. Zheng, J. Barrier, D. Barcons Ruiz, G. Li, R. Bertini, M. Ceccanti, I. Torre, B. Jorissen, A. Reserbat-Plantey, K. Watanabe, T. Taniguchi, L. Covaci, M. V. Milošević, V. Fal’ko, P. Jarillo-Herrero, R. K. Kumar, F. H. L. Koppens
Science, 389, 6760, (2025) - Papier régulier
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⋄ Terahertz photocurrent probe of quantum geometry and interactions in magic-angle twisted bilayer graphene

Roshan Krishna Kumar, Geng Li, Riccardo Bertini,Swati Chaudhary, Krystian Nowakowski, Jeong Min Park, Sebastian Castilla, Zhen Zhan, Pierre A. Pantaleón, Hitesh Agarwal, Sergi Batlle-Porro, Eike Icking, Matteo Ceccanti, Antoine Reserbat-Plantey, Giulia Piccinini, Julien Barrier, Ekaterina Khestanova, Takashi Taniguchi, Kenji Watanabe, Christoph Stampfer, Gil Refael, Francisco Guinea,Pablo Jarillo-Herrero, Justin C. W. Song, Petr Stepanov, Cyprian Lewandowski & Frank H. L. Koppens
N. Mat. Nature Materials, 24, 1034, (2025) - Papier régulier
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⋄ Electrical characteristics and trap signatures for Schottky barrier diodes on 4H-SiC, GaN-on-GaN, AlGaN/GaN epitaxial substrates

Shikha Kumari, Rashmi Singh, Shivam Kumar, N V L Narasimha Murty, Dominique Planson, Christophe Raynaud, Camille Sonneville, Hervé Morel, Luong Viet Phung, Thi Huong Ngo, Philippe De Mierry, Eric Frayssinet, Yvon Cordier, Hassan Maher, Raphael Sommet, Jean-Christophe Nallatamby and P Vigneshwara Raja
Semicond. Sci. Tech., 39, 065016 , (2024) - Papier régulier

⋄ Ultra-broadband photoconductivity in twisted graphene heterostructures with large responsivity

H. Agarwal, K. Nowakowski, A. Forrer, A. Principi, R. Bertini, S. Batlle-Porro, A. Reserbat-Plantey, P. Prasad, L. Vistoli, K. Watanabe, T. Taniguchi, A. Bachtold, G. Scalari, R. Krishna Kumar, F. H. L. Koppens
Nat. Photonics, 17, 1047, (2023) - Papier régulier
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⋄ Luminescence behavior of semipolar (10-11) InGaN/GaN “bow-tie” structures on patterned Si substrates

J. Bruckbauer, C. Trager-Cowan, B. Hourahine, A. Winkelmann, P. Vennéguès, A. Ipsen, X. Yu, X. Zhao, M.J. Wallace, P.R. Edwards, G. Naresh-Kumar, M. Hocker, S. Bauer, R. Müller, J. Bai , K. Thonke, T. Wang, R.W. Martin
J. Appl. Phys., 127, 035705, (2020) - Papier régulier