نتایج جستجو برای: silicon particles

تعداد نتایج: 233671  

Journal: :Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 2002

Journal: :Langmuir : the ACS journal of surfaces and colloids 2014
Stefan Wellert Yvonne Hertle Marcel Richter Martin Medebach David Magerl Weinan Wang Bruno Demé Aurel Radulescu Peter Müller-Buschbaum Thomas Hellweg Regine von Klitzing

Microgel particles of cross-linked poly(NIPAM-co-acrylic acid) with different acrylic acid contents are investigated in solution and in the adsorbed state. As a substrate, silicon with a poly(allylamine hydrochloride) (PAH) coating is used. The temperature dependence of the deswelling of the microgel particles was probed with atomic force microscopy (AFM). The inner structure of the adsorbed mi...

2013
Ling Sun Jianjun Wang Elmar Bonaccurso

We introduce a technique for measuring the conductivity of individual hybrid metal, semiconducting core-shell and full-metal conducting particles by a microscopic four-point probe (μ-4PP) method. The four-point probe geometry allows for minimizing contact resistances between electrodes and particles. By using a focused ion beam we fabricate platinum nanoleads between four microelectrodes on a s...

2005
E. A. Olson L. H. Allen

Nanocalorimetry was used to investigate the melting of Bi nanoparticles. The particles were formed by evaporating Bi onto a silicon nitride substrate, which was then heated. The particles self-assemble into truncated spherical particles. Below 5-nm average film thickness, mean particle sizes increased linearly with deposition thickness but increased rapidly for 10-nm-thick films. As expected, s...

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