Grain rotation in thin films of gold

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August undefined, 2024

Webexplain the grain orientation changes induced by the rigid body rotation in thin films of gold, a phenomenological theoretical model was addressed to explore the kinetics of … WebAug 29, 2024 · Mompiou F, Legros M (2015) Quantitative grain growth and rotation probed by in-situ TEM straining and orientation mapping in small grained Al thin films. Scr Mater 99:5–8. Article CAS Google Scholar Harris KE, Singh VV, King AH (1998) Grain rotation in thin films of gold. Acta Mater 46:2623–2633

Observation and measurement of grain rotation and plastic strain …

The same conclusion is reached if the observed initial rotation rate of the … The theory for the kinetics of sub-grain coalescence originally developed by Li … Grain rotation must preferentially occur on the surface because of weak constraint … WebDec 1, 2024 · Here we consider polymer-supported thin gold films with initially ultra-fine grains which are subjected to cyclic mechanical strain. The films were deposited on 50 µm polyimide UPILEX S substrates by electron beam evaporation in a Balzers BAK 550 evaporation machine with the vacuum of 2.1 × 10 −7 mbar and using a deposition rate of … hoffer south elgin il

Grain rotation mediated by grain boundary dislocations in

WebGrain Rotation and Microstructure Development in Thin Films of Gold p.355 The Role of Anisotropic Grain Boundary Parameters in Grain Growth WebJul 26, 2024 · To explain the grain orientation changes induced by the rigid body rotation in thin films of gold, a phenomenological theoretical model was addressed to explore the kinetics of grain rotation behaviors . In this model, the aggregate energy gradient due to the misorientation for all grain boundaries surrounding a grain and the diffusion fluxes ... WebApr 11, 2024 · Electromigration of gold and silver in single crystal tin. ... Electromigration-induced grain rotation in anisotropic conducting beta tin. Phys Rev Lett, 86 (2005), Article 241902. CrossRef Google Scholar ... Thin Solid Films, 544 (2013), p. 551. View PDF View article CrossRef Google Scholar [36] hoffert

GRAIN ROTATION IN THIN FILMS OF GOLD H. KING …

Grain rotation mediated by grain boundary dislocations in

WebHerein, the growth and annealing effect of gold thin films are systematically studied by using an automated crystal orientation mapping (ACOM–TEM) technique. The crystallographic redistribution and structural changes in grain and boundaries due to recrystallization and grain kinetic processes are followed and described. WebNov 24, 2014 · The influence of temperature and stress on grain growth was investigated in nanocrystalline nickel thin films in situ inside a … https floodWebEight grain boundaries are labeled in Figure 2. The angle between twins in the grains on either side 250nm Figure 1. Grain rotation during annealing of a gold thin film at 250 … https flow

"WebJul 17, 2014 · The cross-sectional TEM images indicate that the thin film is ~10 nm in thickness, and consists of one or two grains in the thickness direction ( Fig. 1c ). The distribution of grain sizes,... " - Grain rotation in thin films of gold

Grain rotation in thin films of gold

Titanium diffusion in gold thin films Semantic Scholar

WebGrain rotation, in which misorientations also change, is not usually considered to be an im ... Grain rotation during annealing of a gold thin film at 250 C. TEM images talen … WebAug 1, 2024 · Here, in tensile-loaded Pt thin films under a high-resolution transmission electron microscope, we show that the plasticity mechanism transitions from cross-grain dislocation glide in larger ...

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WebSequential annealing experiments have been performed on thin films of gold. Grain rotation is found to take place with an average rotation rate of about 4sp°/hour at both … WebThe low LoD is partially due to a careful tuning of semiconducting thin-film morphol- ogy (i.e., uniform film crystallinity and adequate grain boundary dimensions) by proper solvent choice. For example, sensor response to NO2 was enhanced to about 58 times when the semiconductor material was processed in o-xylene instead of chlorobenzene.

WebTitanium-based alloys are known as a “gold standard” in the field of implantable devices. Mg-based alloys, in turn, are very promising biocompatible material for biodegradable, temporary implants. However, the clinical application of Mg-based alloys is currently limited due to the rapid resorption rate in the human body. The deposition of a … WebAug 1, 1995 · The deformation behavior of nanostructured gold thin films, with grain diameters of 10 nm and film thicknesses of 10–20 nm, has been studied by means of in situ high resolution transmission electron microscopy.

WebApr 24, 2024 · Herein, the growth and annealing effect of gold thin films are systematically studied by using an automated crystal orientation mapping (ACOM–TEM) technique. The … Webthin-film A, B and C were 8 hours, 24 hours, respectively. Comparing to 4, the Fig. Au thin films surface structure was changed after thermal annealing process. (a) (b) (c) FIGURE 3 2D AFM images of Au thin films before annealing by freeware Gwyddion 2.49. The scale bars are 500 nm long. (a) Au thin film A, (b) Au thin film B, and (c) Au thin ...

WebWe present transmission electron microscope observations of microstructural development in thin, fine-grained, columnar, 〈111〉 textured films of gold. In a sequential annealing …

WebMay 22, 2016 · We investigate the mechanisms of incipient plasticity at low angle twist and asymmetric tilt boundaries in fcc metals. To observe plasticity of grain boundaries independently of the bulk plasticity, we simulate nanoindentation of bicrystals. On the low angle twist boundaries, the intrinsic grain boundary (GB) dislocation network deforms … hoffert and klonisWebMay 1, 1998 · We present transmission electron microscope observations of microstructural development in thin, fine-grained, columnar, 〈111〉 textured films of gold. In a … https flood攻击WebNov 5, 2014 · Jan 2011 - May 20165 years 5 months. Raleigh-Durham, North Carolina Area. Ph.D. research supported development of … httpsfocusWebJun 8, 2015 · Grain rotation and lattice deformation during photoinduced chemical reactions revealed by in situ X-ray nanodiffraction Zhifeng Huang, Matthias Bartels, Rui Xu, Markus … https fonctionWebEight grain boundaries are labeled in Figure 2. The angle between twins in the grains on either side 250nm Figure 1. Grain rotation during annealing of a gold thin film at 250 C. TEM images talen before annealing (a) and after annealing 1hour (b), 2 hours (c), 3 hours (d). 16 150nm Figure 2. Grain boundary labels for the plot inFigure 3. hoffertasWebTransmission electron microscope observations of microstructural development in thin films of gold are presented. In a sequential annealing experiment, we find that individual … https flights googleWebexplain the grain orientation changes induced by the rigid body rotation in thin films of gold, a phenomenological theoretical model was addressed to explore the kinetics of grain rotation behaviors hoffert attorney reading pa