By Dr. Michel A. Van Hove, Professor William H. Weinberg, Dr. Chi-Ming Chan (auth.)
Surface crystallography performs an analogous primary function in floor technological know-how which bulk crystallography has performed so effectively in solid-state physics and chemistry. The atomic-scale constitution is among the most vital elements within the knowing of the habit of surfaces in such extensively varied fields as heterogeneous catalysis, microelectronics, adhesion, lubrication, cor rosion, coatings, and solid-solid and solid-liquid interfaces. Low-Energy Electron Diffraction or LEED has develop into the best tech nique used to figure out atomic destinations at surfaces. On one hand, LEED has yielded the main a variety of and whole structural effects so far (almost 2 hundred structures), whereas at the different, LEED has been considered as the "technique to overcome" via quite a few different floor crystallographic equipment, akin to photoemission, SEXAFS, ion scattering and atomic diffraction. even if those different ways have had outstanding successes, LEED has remained the best approach and has proven the main versatility of program: from adsorbed infrequent gases, to reconstructed surfaces of sem iconductors and metals, to molecules adsorbed on metals. even though, those statements shouldn't be considered as excessively dogmatic considering that all floor delicate strategies hold untapped potentials that may certainly be explored and exploited. in addition, floor technology is still a multi-technique activity. specifically, LEED by no means has been and not could be self enough. LEED has advanced significantly and, in reality, has reached a watershed.
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