| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Maclaren, Ian
University of Glasgow
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (18/18 displayed)
- 2024A method for crystallographic mapping of an alpha‐beta titanium alloy with nanometre resolution using scanning precession electron diffraction and open‐source software libraries
- 2021Correlative chemical and structural nanocharacterization of a pseudo‐binary 0.75Bi(Fe 0.97 Ti 0.03 )O 3 –0.25BaTiO 3 ceramiccitations
- 2021Correlative chemical and structural nanocharacterization of a pseudo-binary 0.75Bi(Fe0.97Ti0.03)O3–0.25BaTiO3 ceramiccitations
- 2020Nano-scale characterisation of tri-modal microstructures in TIMETAL<sup>®</sup> 575citations
- 2020A comparison of a direct electron detector and a high-speed video camera for a scanning precession electron diffraction phase and orientation mappingcitations
- 2020Detectors—the ongoing revolution in scanning transmission electron microscopy and why this important to material characterizationcitations
- 2019Three-dimensional subnanoscale imaging of unit cell doubling due to octahedral tilting and cation modulation in strained perovskite thin filmscitations
- 2019Strain analysis of Ge micro disk using precession electron diffractioncitations
- 2019Strain anisotropy and magnetic domains in embedded nanomagnetscitations
- 2017Characterisation of amorphous molybdenum silicide (MoSi) superconducting thin films and nanowirescitations
- 2017Route to achieving perfect B-site ordering in double perovskite thin filmscitations
- 2016Tungsten bronze barium neodymium titanate (Ba 6-3n Nd 8+2n Ti 18 O 54 ) an intrinsic nanostructured material and its defect distributioncitations
- 2016Tungsten Bronze Barium Neodymium Titanate (Ba(6-3n)Nd(8+2n)Ti(18)O(54))citations
- 2015Stabilisation of Fe2O3-rich Perovskite Nanophase in Epitaxial Rare-earth Doped BiFeO3 Filmscitations
- 2015Stabilisation of Fe2O3-rich perovskite nanophase in epitaxial rare-earth doped BiFeO3 filmscitations
- 2015Spectrum imaging of complex nanostructures using DualEELS: I. digital extraction replicascitations
- 2015Utilising DualEELS to probe the nanoscale mechanisms of the corrosion of Zircaloy-4 in 350 °C pressurised watercitations
- 2014Investigating the medium range order in amorphous Ta 2 O 5 coatingscitations
Places of action
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article
Characterisation of amorphous molybdenum silicide (MoSi) superconducting thin films and nanowires
Abstract
We report on the optimisation of amorphous molybdenum silicide thin film growth for superconducting nanowire single-photon detector (SNSPD) applications. Molybdenum silicide was deposited via co-sputtering from Mo and Si targets in an Ar atmosphere. The superconducting transition temperature (T c) and sheet resistance (R s) were measured as a function of thickness and compared to several theoretical models for disordered superconducting films. Superconducting and optical properties of amorphous materials are very sensitive to short- (up to 1 nm) and medium-range order (~1–3 nm) in the atomic structure. Fluctuation electron microscopy studies showed that the films assumed an A15-like medium-range order. Electron energy loss spectroscopy indicates that the film stoichiometry was close to Mo83Si17, which is consistent with reports that many other A15 structures with the nominal formula A 3 B show a significant non-stoichiometry with A:B > 3:1. Optical properties from ultraviolet (270 nm) to infrared (2200 nm) wavelengths were measured via spectroscopic ellipsometry for 5 nm thick MoSi films indicating high long wavelength absorption. We also measured the current density as a function of temperature for nanowires patterned from a 10 nm thick MoSi film. The current density at 3.6 K is 3.6 × 105 A cm−2 for the widest wire studied (2003 nm), falling to 2 × 105 A cm−2 for the narrowest (173 nm). This investigation confirms the excellent suitability of MoSi for SNSPD applications and gives fresh insight into the properties of the underlying materials.