Single-photon detection using large-scale high-temperature MgB2 sensors at 20 K

Autor: Ilya Charaev, Emma K. Batson, Sergey Cherednichenko, Kate Reidy, Vladimir Drakinskiy, Yang Yu, Samuel Lara-Avila, Joachim D. Thomsen, Marco Colangelo, Francesca Incalza, Konstantin Ilin, Andreas Schilling, Karl K. Berggren

Publikováno v: Nature Communications, Vol 15, Iss 1, Pp 1-7 (2024)

Abstract Ultra-fast single-photon detectors with high current density and operating temperature can benefit space and ground applications, including quantum optical communication systems, lightweight cryogenics for space crafts, and medical use. Here

Externí odkaz: https://doaj.org/article/0e5ce8ed16d94d509ff60a9069e543b5

Direct imaging and electronic structure modulation of moiré superlattices at the 2D/3D interface

Autor: Kate Reidy, Georgios Varnavides, Joachim Dahl Thomsen, Abinash Kumar, Thang Pham, Arthur M. Blackburn, Polina Anikeeva, Prineha Narang, James M. LeBeau, Frances M. Ross

Publikováno v: Nature Communications, Vol 12, Iss 1, Pp 1-9 (2021)

Here, advanced scanning transmission electron microscopy techniques are used to image the atomic structure at the interface between 2D MoS2 and 3D Au nanoislands, revealing a moiré superlattice and illustrating the potential for (opto-)electronic mo

Externí odkaz: https://doaj.org/article/96c2215394b3483ebc6b410e4921088b

Direct Visualization of Subnanometer Variations in the Excitonic Spectra of 2D/3D Semiconductor/Metal Heterostructures

Autor: Kate Reidy, Paulina Ewa Majchrzak, Benedikt Haas, Joachim Dahl Thomsen, Andrea Konečná, Eugene Park, Julian Klein, Alfred J. H. Jones, Klara Volckaert, Deepnarayan Biswas, Matthew D. Watson, Cephise Cacho, Prineha Narang, Christoph T. Koch, Søren Ulstrup, Frances M. Ross, Juan Carlos Idrobo

Publikováno v: Reidy, K, Majchrzak, P E, Haas, B, Thomsen, J D, Konečná, A, Park, E, Klein, J, Jones, A J H, Volckaert, K, Biswas, D, Watson, M D, Cacho, C, Narang, P, Koch, C T, Ulstrup, S, Ross, F M & Idrobo, J C 2023, ' Direct Visualization of Subnanometer Variations in the Excitonic Spectra of 2D/3D Semiconductor/Metal Heterostructures ', Nano Letters, vol. 23, no. 3, pp. 1068-1076 . https://doi.org/10.1021/acs.nanolett.2c04749

The integration of metallic contacts with two-dimensional (2D) semiconductors is routinely required for the fabrication of nanoscale devices. However, nanometer-scale variations in the 2D/metal interface can drastically alter the local optoelectronic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f4feca3a24f52129762ffeb3c5efe9ee
https://pure.au.dk/portal/da/publications/direct-visualization-of-subnanometer-variations-in-the-excitonic-spectra-of-2d3d-semiconductormetal-heterostructures(ee4bca49-531b-4648-83a2-ae67387e41ea).html

Structural changes in metallic nanoislands on 2D materials during in situ annealing in ultra-high vacuum TEM

Autor: Joachim Dahl Thomsen, Kate Reidy, Frances M. Ross, Vera Zarubin

Publikováno v: Microscopy and Microanalysis. 27:334-337

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e21b7e2a758fe95d1298e31f5fb50da0
https://doi.org/10.1017/s1431927621001756

Stabilizing far-from-equilibrium (Mo,Ti)S2 thin films by metal sulfurization at reduced temperature

Autor: Yifei Li, Kate Reidy, Aubrey Penn, Seng Huat Lee, Baoming Wang, Kevin Ye, Zhiqiang Mao, Frances M. Ross, R. Jaramillo

Publikováno v: Journal of Vacuum Science & Technology A. 41:023405

We report the synthesis of large-area, high-Ti-content, Mo1−xTixS2 alloy thin films in the 2H phase at temperature as low as 500 °C using a scalable two-step method of metal film deposition, followed by sulfurization in H2S. Film processing at hig

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1cb459e9b9ce11ce8bb9a2b1474b67cf
https://doi.org/10.1116/6.0002227