Results 31 to 40 of about 1,306,526 (282)

MD and TEM evaluation of swift Xe ion induced latent tracks in Si3N4 [PDF]

Eurasian Journal of Physics and Functional Materials, 2019
As known silicon nitride ceramics is considered as a candidate material for inert matrix fuel hosts used for transmutation of minor actinides. Unfortunately, by now very limited data is devoted to investigate of its stability under high energy heavy ion ...
R.A. Rymzhanov, A. Zhalmagambetova, A. Ibrayeva, A. Janse van Vuuren, J.H. O’Connell, V.A. Skuratov   +5 more
doaj   +1 more source

Tuning the conductivity of vanadium dioxide films on silicon by swift heavy ion irradiation

AIP Advances, 2011
We demonstrate the generation of a persistent conductivity increase in vanadium dioxide thin films grown on single crystal silicon by irradiation with 1 GeV 238U swift heavy ions at room temperature.
H. Hofsäss, P. Ehrhardt, H.-G. Gehrke, M. Brötzmann, U. Vetter, K. Zhang, J. Krauser, C. Trautmann, C. Ko, S. Ramanathan   +9 more
doaj   +1 more source

Post-Irradiation Annealing of Bi Ion Tracks in Si₃N₄: In-Situ and Ex-Situ Transmission Electron Microscopy Study

Crystals
High-energy (710 MeV) Bi ion track morphology in polycrystalline silicon nitride was investigated during post-irradiation annealing. Using both in-situ and ex-situ transmission electron microscopy, we monitored the recovery of crystallinity within ...
Anel Ibrayeva, Jacques O’Connell, Ruslan Rymzhanov, Arno Janse van Vuuren, Vladimir Skuratov   +4 more
doaj   +1 more source

Reconstructing enzyme evolution by protein engineering

FEBS Letters, EarlyView.
Natural enzyme evolution can be retraced by protein engineering methods such as directed evolution, rational design, and ancestral sequence reconstruction. These approaches reveal how enzymes emerged from ligand‐binding scaffolds, developed varying substrate preferences, formed oligomeric complexes, adapted to environmental changes, and evolved novel ...
Lukas Drexler, Markus R. Busch, Reinhard Sterner   +2 more
wiley   +1 more source

Spectrally resolved ion imaging from laser produced plasmas using CR-39 detectors

AIP Advances, 2021
Intense laser-produced plasmas generate bright, ultrashort bursts of accelerated ions. Reducing the required laser intensity and increasing the repetition rate of the laser to generate high energy ions is important, and mesoscopic particle targets are an
S. V. Rahul, Rakesh Y. Kumar, T. Sairam, Ratul Sabui, Angana Mondal, V. Rakesh Kumar, Amit D. Lad, Yash M. Ved, Kedar Mal, R. Gopal, M. Krishnamurthy   +10 more
doaj   +1 more source

Coulomb Spike Modelling of Ion Sputtering of Amorphous Water Ice

Quantum Beam Science, 2023
The effects of electronic excitations on the ion sputtering of water ice are not well understood even though there is a clear dependence of the sputtering yield on the electronic stopping power of high-energy ions.
Jean-Marc Costantini, Tatsuhiko Ogawa
doaj   +1 more source

Peripheral lysosomes recruit PLEKHG3 to focal adhesions and restrain protrusion dynamics

FEBS Letters, EarlyView.
Proximity‐dependent labeling at the LAMTOR complex revealed the Rho GEF PLEKHG3 as a lysosome‐proximal protein directing the study toward the influence of lysosome positioning on actin dynamics and cell motility. We show that PLEKHG3 colocalizes with lysosomes at focal adhesion sites and observe that forced peripheral dispersion of lysosomes hinders ...
Rainer Ettelt, Ana‐Maria Sandru, Georg Vucak, Sebastian Didusch, Biljana Riemelmoser, Karin Ehrenreiter, Markus Hartl, Lukas A. Huber, Manuela Baccarini   +8 more
wiley   +1 more source

Electrical conduction of ion tracks in tetrahedral amorphous carbon: temperature, field and doping dependence and comparison with matrix data

New Journal of Physics, 2015
This paper gives an extended overview of the electrical properties of ion tracks in hydrogen-free tetrahedral amorphous carbon (ta-C) with a sp ^3 bond fraction of about 80%.
J Krauser, H-G Gehrke, H Hofsäss, J Amani, C Trautmann, A Weidinger   +5 more
doaj   +1 more source

A Review of Various Fast Charging Power and Thermal Protocols for Electric Vehicles Represented by Lithium-Ion Battery Systems

Future Transportation, 2022
Despite fast technological advances, the worldwide adoption of electric vehicles (EVs) is still hampered mainly by charging time, efficiency, and lifespan.
Peter Makeen, Hani A. Ghali, Saim Memon
doaj   +1 more source

“Thermal Spike” model applied to thin targets irradiated with swift heavy ion beams at few MeV/u [PDF]

EPJ Web of Conferences, 2020
High electronic excitations in radiation of metallic targets with swift heavy ion beams at the coulomb barrier play a dominant role in the damaging processes of some metals.
Stodel Christelle, Toulemonde Marcel, Fransen Christoph, Jacquot Bertrand, Clément Emmanuel, Frémont Georges, Michel Matthieu, Dufour Christian   +7 more
doaj   +1 more source