Results 11 to 20 of about 190,947 (267)
Fast-ion Dα measurements of the fast-ion distribution (invited) [PDF]
Review of Scientific Instruments, 2010 The fast-ion Dα (FIDA) diagnostic is an application of charge-exchange recombination spectroscopy. Fast ions that neutralize in an injected neutral beam emit Balmer-α light with a large Doppler shift. The spectral shift is exploited to distinguish the FIDA emission from other bright sources of Dα light.
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Fast ion losses in the W7-AS stellarator [PDF]
Review of Scientific Instruments, 2001 A new probe for the detection of fast escaping ions has been installed and operated at the W7-AS stellarator. Fast ions generated from neutral beam injection or ion cyclotron heating were used to study the fast ion confinement properties of the partially drift-optimized magnetic field structure as well as losses induced by magnetohydrodynamic ...
Werner, A., Weller, A., Darrow, D.
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The Electron and Ion Plasma Experiment for Fast [PDF]
Space Science Reviews, 2001 The ion and electron plasma experiment on the Fast Auroral Snapshot satellite (FAST) is designed to measure pitch-angle distributions of suprathermal auroral electrons and ions with high sensitivity, wide dynamic range, good energy and angular resolution, and exceptional time resolution.
C.W. Carlson +4 more
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Evidence for Fast-Ion Transport by Microturbulence [PDF]
Physical Review Letters, 2009 Cross-field diffusion of energetic ions by microturbulence is measured during neutral-beam injection into the DIII-D tokamak. Fast-ion D(alpha), neutron, and motional Stark effect measurements diagnose the fast-ion distribution function. As expected for transport by plasma turbulence, anomalies relative to the classical prediction are greatest in high ...
Heidbrink, WW +5 more
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Electrode Configurations for fast separation of trapped ions [PDF]
Quantum Information and Computation, 2006 We study the problem of designing electrode structures that allow pairs of ions to be brought together and separated rapidly in an array of linear Paul traps. We show that it is desirable for the electrode structure to produce a d.c. octupole moment with an a.c. radial quadrupole.
Home, J, Steane, A
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Using Interpolation for Fast and Accurate Calculation of Ion–Ion Interactions [PDF]
The Journal of Physical Chemistry B, 2014 We perform extensive molecular dynamics (MD) simulations between pairs of ions of various diameters (2-5.5 Å in increments of 0.5 Å) and charge (+1 or -1) interacting in explicit water (TIP3P) under ambient conditions. We extract their potentials of mean force (PMFs).
Lukšič, Miha +2 more
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Journal of the American Ceramic Society, 1979 The results of transmission electron microscopy and their relation to some practical aspects of Na β‐ nd β‐alumina solid electrolytes are reviewed. Grain and grain‐boundary morphology, crystallographic defects, nonstoichiometry, and second‐phase formation are discussed.
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The NSTX fast-ion D-alpha diagnostic [PDF]
Review of Scientific Instruments, 2008 A new diagnostic, aimed at energy-resolved measurements of the spatial and temporal dynamics of fast ions in NSTX plasmas, is described. It is based on active charge-exchange recombination spectroscopy. The fast-ion signal is inferred from light emitted in the wavelength range of the Dα line by fast ions recombining with an injected neutral beam.
Podestà, M +3 more
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Entropy and Isokinetic Temperature in Fast Ion Transport
Advanced Science, 2023 AbstractIon transport in crystalline solids is an essential process for many electrochemical energy converters such as solid‐state batteries and fuel cells. Empirical data have shown that ion transport in crystal lattices obeys the Meyer‐Neldel Rule (MNR).
Peng Du +4 more
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Fast Lithium Ion Conduction in Lithium Phosphidoaluminates [PDF]
Angewandte Chemie International Edition, 2020 AbstractSolid electrolyte materials are crucial for the development of high‐energy‐density all‐solid‐state batteries (ASSB) using a nonflammable electrolyte. In order to retain a low lithium‐ion transfer resistance, fast lithium ion conducting solid electrolytes are required.
Restle, TMF +8 more
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