充气女
发表于 2025-4-1 04:00:23
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发表于 2025-4-1 07:02:19
Structural Defects in Surfaces and Overlayers,tanding of the bulk properties of materials, it is easily recognized that a defect represents a loss of structural order and symmetry, has associated with it a free energy, and may have associated with it localized electronic states. Defects therefore may affect electronic and chemical properties, t
Expressly
发表于 2025-4-1 11:14:16
The Inelastic Scattering of Low-Energy Electrons by Surface Excitations; Basic Mechanisms,ed there, is a formidable one. Techniques used commonly to deduce the geometry or properties of elementary excitations in bulk crystalline materials employ probes such as neutrons or X-rays that interact with each atomic constituent weakly. As a consequence, it is relatively straightforward to devel
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发表于 2025-4-1 15:35:04
Electronic Aspects of Adsorption Rates, inelastic scattering of rare-gas atoms can give information about the elementary excitations of the surface . The energy transfer processes also determine the probability that the incoming particle loses its kinetic energy and is adsorbed at the surface, the so-called sticking probability. Si
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发表于 2025-4-1 19:24:51
Thermal Desorption,etic processes. It has therefore been investigated in great detail since the days of Langmuir. In most of this work, the integrated effect of desorption has been examined. Recently, the use of molecular beams both as source and probe has led to additional differential information. While this is a ve
bacteria
发表于 2025-4-2 00:23:37
Field Desorption and Photon-Induced Field Desorption,aces. Relatively few laboratories have started or continued to develop and use field ion microscopy, despite the enormous possibilities for investigating the many urgent open questions in surface science offered by this technique.
crucial
发表于 2025-4-2 04:46:53
Segregation and Ordering at Alloy Surfaces Studied by Low-Energy Ion Scattering,ery general phenomenon having important implications for catalysis, corrosion, microelectronics, and also grain-boundary segregation (Chap.19, ) with its influence on the strength of alloys. The term surface segregation, as it is usually employed and as it is used in this paper, refers to an e
exacerbate
发表于 2025-4-2 08:46:14
The Effects of Internal Surface Chemistry on Metallurgical Properties,y, where the main emphasis is often on the gas-solid or vacuum-solid interface, most metallurgical studies of this type concern internal solid-solid interfaces. These are generally classed into two groups, grain boundaries and particle-matrix interfaces.