Zobrazeno 1 - 10
of 311
pro vyhledávání: '"Stephan Hofmann"'
Autor:
Oliver J. Burton, Stephan Hofmann
Publikováno v:
APL Materials, Vol 12, Iss 8, Pp 081106-081106-6 (2024)
Cost-effective, versatile, and rapid deposition of single-crystal metal films is crucial to a wide spectrum of applications ranging from catalysis, plasmonics, electrochemistry, and optoelectronics to templating, epitaxial substrates, and integrated
Externí odkaz:
https://doaj.org/article/23b018c304814211b460c1a9277d6646
Autor:
Razan Omar M. Aboljadayel, Christy John Kinane, Carlos Antonio Fernandes Vaz, David Michael Love, Marie-Blandine Martin, Andrea Cabrero-Vilatela, Philipp Braeuninger-Weimer, Adrian Ionescu, Andrew John Caruana, Timothy Randall Charlton, Justin Llandro, Pedro Manuel da Silva Monteiro, Crispin Henry William Barnes, Stephan Hofmann, Sean Langridge
Publikováno v:
Nanomaterials, Vol 13, Iss 19, p 2620 (2023)
In this paper, we determine the magnetic moment induced in graphene when grown on a cobalt film using polarised neutron reflectivity (PNR). A magnetic signal in the graphene was detected by X-ray magnetic circular dichroism (XMCD) spectra at the C K-
Externí odkaz:
https://doaj.org/article/d39ad9796eaf416a87643c35c5df3303
Autor:
Abdullah M. Zaman, Yuezhen Lu, Nikita W. Almond, Oliver J. Burton, Jack Alexander-Webber, Stephan Hofmann, Thomas Mitchell, Jonathan D. P. Griffiths, Harvey E. Beere, David A. Ritchie, Riccardo Degl’Innocenti
Publikováno v:
Frontiers in Nanotechnology, Vol 5 (2023)
Active modification of the polarization state is a key feature for the next-generation of wireless communications, sensing, and imaging in the THz band. The polarization modulation performance of an integrated metamaterial/graphene device is investig
Externí odkaz:
https://doaj.org/article/59046dd5c5ff462a8a0743bec7723d90
Autor:
Daniel Popa, Richard Hopper, Syed Zeeshan Ali, Matthew Thomas Cole, Ye Fan, Vlad-Petru Veigang-Radulescu, Rohit Chikkaraddy, Jayakrupakar Nallala, Yuxin Xing, Jack Alexander-Webber, Stephan Hofmann, Andrea De Luca, Julian William Gardner, Florin Udrea
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-7 (2021)
Abstract The gas sensor market is growing fast, driven by many socioeconomic and industrial factors. Mid-infrared (MIR) gas sensors offer excellent performance for an increasing number of sensing applications in healthcare, smart homes, and the autom
Externí odkaz:
https://doaj.org/article/41b2a110b97247ea971192b1793a1295
Autor:
Joel M. Fruhman, Hippolyte P.A.G. Astier, Bruno Ehrler, Marcus L. Böhm, Lissa F. L. Eyre, Piran R. Kidambi, Ugo Sassi, Domenico De Fazio, Jonathan P. Griffiths, Alexander J. Robson, Benjamin J. Robinson, Stephan Hofmann, Andrea C. Ferrari, Christopher J. B. Ford
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-10 (2021)
The integration of nano-molecules into microelectronic circuitry is challenging. Here, the authors provide a scalable method for contacting a self-assembled monolayer of nanoparticles with a single layer of graphene that produces single-electron effe
Externí odkaz:
https://doaj.org/article/3b9ddba3ef2246cea4f1fee309ac5979
Autor:
Maëlis Piquemal-Banci, Regina Galceran, Simon M.-M. Dubois, Victor Zatko, Marta Galbiati, Florian Godel, Marie-Blandine Martin, Robert S. Weatherup, Frédéric Petroff, Albert Fert, Jean-Christophe Charlier, John Robertson, Stephan Hofmann, Bruno Dlubak, Pierre Seneor
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-9 (2020)
2D materials are foreseen as an opportunity to tailor spintronics devices interfaces, a.k.a spinterfaces. Here, using state-of-the-art large-scale integration in spin-valves, authors demonstrate that hybridization of graphene with a metallic spin sou
Externí odkaz:
https://doaj.org/article/c7743490fde54e20a465066faa6385f6
Autor:
Susmriti Das Mahapatra, Preetam Chandan Mohapatra, Adrianus Indrat Aria, Graham Christie, Yogendra Kumar Mishra, Stephan Hofmann, Vijay Kumar Thakur
Publikováno v:
Advanced Science, Vol 8, Iss 17, Pp n/a-n/a (2021)
Abstract Piezoelectric materials are widely referred to as “smart” materials because they can transduce mechanical pressure acting on them to electrical signals and vice versa. They are extensively utilized in harvesting mechanical energy from vi
Externí odkaz:
https://doaj.org/article/dd0a8d91ccf34aa6a5e915e2c1d6e17f
Autor:
Kenichi Nakanishi, Stephan Hofmann
Publikováno v:
APL Materials, Vol 8, Iss 2, Pp 021106-021106-5 (2020)
Carbon foams are a highly attractive class of low-density materials whose structural, electrical, thermal, and chemical properties are strongly linked to the level of graphitization and 3D structure. Pyrolytic graphitization requires very high temper
Externí odkaz:
https://doaj.org/article/25660dee984047aa999ae1279d0842e1
Autor:
Samane Kalhor, Stephen J. Kindness, Robert Wallis, Harvey E. Beere, Majid Ghanaatshoar, Riccardo Degl’Innocenti, Michael J. Kelly, Stephan Hofmann, Hannah J. Joyce, David A. Ritchie, Kaveh Delfanazari
Publikováno v:
Nanomaterials, Vol 11, Iss 11, p 2999 (2021)
Metamaterial photonic integrated circuits with arrays of hybrid graphene–superconductor coupled split-ring resonators (SRR) capable of modulating and slowing down terahertz (THz) light are introduced and proposed. The hybrid device’s optical resp
Externí odkaz:
https://doaj.org/article/44b86e6f3a3040b2b1afd353d309db0a
Autor:
Razan O. M. Aboljadayel, Adrian Ionescu, Oliver J. Burton, Gleb Cheglakov, Stephan Hofmann, Crispin H. W. Barnes
Publikováno v:
Nanomaterials, Vol 11, Iss 6, p 1598 (2021)
We report the growth, structural and magnetic properties of the less studied Eu-oxide phase, Eu3O4, thin films grown on a Si/SiO2 substrate and Si/SiO2/graphene using molecular beam epitaxy. The X-ray diffraction scans show that highly textured cryst
Externí odkaz:
https://doaj.org/article/01e280b097204d329f007d8e43a49a43