Grain rotation in thin films of gold
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 ... Webwhich leads to surface relief in thin film. b) Motion of a curved boundary leads to grain rotation, as can be seen by considering the growth or shrinkage of an included grain. Orthogonal traces show the misorienta-tion that develops. Figure 2. Representative stress strain behavior of Al thin-film specimens
Grain rotation in thin films of gold
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WebEight 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 … WebJan 1, 2011 · Sequential annealing experiments have been performed on thin films of gold. Grain rotation is found to take place with an average rotation rate of about 4°/hour at …
WebNov 5, 2014 · Jan 2011 - May 20165 years 5 months. Raleigh-Durham, North Carolina Area. Ph.D. research supported development of … 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 …
WebNov 24, 2014 · The influence of temperature and stress on grain growth was investigated in nanocrystalline nickel thin films in situ inside a … WebSep 17, 2024 · Interconnections are essential for integrating the packaging substrate, and defect-free copper-filling can further improve the reliability in through holes (THs). The coating properties and filling processes are mainly dominated by the interplays among additives in the direct current electroplating. The acidic copper sulfate electroplating …
WebA thin film tensile technique with in situ atomic-scale observations was developed to directly characterize the atomic-scale plastic deformation mechanisms and fracture process of nanocrystalline gold thin films. The grain rotation accompanying the tensile fracture processes was studied at the atomic scale.
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 … peter wold casper wypeter wolf a cure for lonelinessWebAug 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. peter woitinasWebJul 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 ... start hunter renfrow or dk metcalfWebJan 25, 2024 · The driving force for grain rotation can be traced to the dependence of ... K. E., Singh, V. V. & King, A. H. Grain rotation in thin films of gold. Acta Materialia 46, 2623–2633, https ... peter wold attorney minneapolisWebthin-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 ... peter wold wyomingWebGrain Rotation in Thin Films of Gold - Volume 403. We use cookies to distinguish you from other users and to provide you with a better experience on our websites. peter wolf and faye dunaway married