Results 231 to 240 of about 1,306,526 (282)
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Front Tracking Simulations of Ion Deposition and Resputtering
SIAM Journal on Scientific Computing, 1999This paper describes a surface evolution formulated in the terms of a Hamilton-Jacobi equation and extends the front tracking algorithm to three dimensions, for the solutions of ion etching and deposition problems. The front tracked in etching and deposition processes is the interface between the solid material and the ambient gas or vacuum.
James Glimm +4 more
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Track length of very heavy ion tracks in olivines
International Journal of Radiation Applications and Instrumentation. Part D. Nuclear Tracks and Radiation Measurements, 1986Abstract The lengths of etched tracks in meteoritic olivine crystals have previously been used to investigate the charge spectra of heavy galactic cosmic ray nuclei. Etchable track lengths up to 350 μm (after annealing the crystals for 32 hours at 430°C) were observed in olivines and the longest tracks have been interpreted to be possibly due to ...
V.P. Perelygin +20 more
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The ion track etching rate in crystal track detectors
International Journal of Radiation Applications and Instrumentation. Part D. Nuclear Tracks and Radiation Measurements, 1988Abstract Semi-empirical equations for determination of the etching rate of fission fragment tracks in muscovite-mica are proposed. The influence of etchant concentration, fragment energy and mica crystal anisotropy is also examined.
A.D. Belyaev +6 more
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1990
The use of ion tracks as a structuring tool depends very much on the availability of suitable observation techniques characterized according to the observed effects and recovered information: 1. Physical effects: electron, nuclear, or radical densities, ionization, conductivity, diffusion, mechanical strength, thickness, various surface and ...
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The use of ion tracks as a structuring tool depends very much on the availability of suitable observation techniques characterized according to the observed effects and recovered information: 1. Physical effects: electron, nuclear, or radical densities, ionization, conductivity, diffusion, mechanical strength, thickness, various surface and ...
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Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 1995
Abstract Radiation grafting is a well known means to change the physical and chemical properties of a polymer. Ionising particles such as ions induce in their wake through the solid a continuous trail of excitations and ionisations leading to the formation of a latent track.
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Abstract Radiation grafting is a well known means to change the physical and chemical properties of a polymer. Ionising particles such as ions induce in their wake through the solid a continuous trail of excitations and ionisations leading to the formation of a latent track.
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Ion tracks in amorphous silica
Journal of Materials Research, 2015Abstract
Abdenacer Benyagoub, Marcel Toulemonde
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ION TRACK-BASED NANOELECTRONICS
International Journal of Nanoscience, 2005In the last years, concepts have been developed to use etched ion tracks in insulators, such as polymer foils or silicon oxide layers as hosts for nano- and microelectronic structures. Depending on their etching procedure and the thickness of the insulating layer in which they are embedded, such tracks have typical diameters between some 10 nm and a ...
D. FINK +8 more
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Ion tracks and microstructure technology
International Journal of Radiation Applications and Instrumentation. Part D. Nuclear Tracks and Radiation Measurements, 1988Abstract Present-day microtechnology depends very much on the availability of suitable lithographic techniques for generating smaller and smaller structures. On this road, conventional techniques using light particles, such as photons or electrons, are approaching their technological limits.
Bernd Eberhard Fischer, Reimar Spohr
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1990
Solid state properties depend on size and shape as soon as these are only becoming small enough: “When the dimensions of artificially created structures approach or become smaller than certain characteristic distances — such as grain size, domain size, wavelength, mean free path, coherence length — it becomes possible to access new phenomena or ...
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Solid state properties depend on size and shape as soon as these are only becoming small enough: “When the dimensions of artificially created structures approach or become smaller than certain characteristic distances — such as grain size, domain size, wavelength, mean free path, coherence length — it becomes possible to access new phenomena or ...
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On the "Oxygen in Heavy-Ion Tracks" Hypothesis
Radiation Research, 1995Two well-known chemical systems, the Fricke (system I) and the Fricke + ethanol (system II), were irradiated with intermediate-energy 12C and 40Ca ion beams. A vertical beam allowed us to study radiation phenomena in the bulk of a stirred solution and in the motionless surface layer in contact with air. The G value of the formation of Fe3+ in system II
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