The monography "Low-Energy Electron Diffraction" (LEED), written by three wellknown specialists in this field and published within the Springer series in Surface Sciences, is a unique representation of this powerful method. According t o the given subtitle "EXperiment, Theory and Surface Structure Determination" the whole discipline of lowenergy electron diffraction is covered.The authors state that similar t o solid state physics, where the detection of the correlatiou between the microstructure and the properties of bulk materials is of the utmost importance, in surface science there is an exigence of elucidating the connection between surface structure and surface properties. With respect t o crystalline surfaces LEED is the key method to allow a reliable characterization of the relative position of atoms, thus being the basis for attaining exprimental results in surface crystallography.Starting with the description of the historical development of LEED the authors describe practical aspects for carrying out LEED experiments (instrumentation, data acquisition) and for gaining structure information by carefully interpreting diffraction patterns.It follows a very clear treatment of the kinematical theory of LEED and of the dynamical LEED theory.The field of application of the method is dealt with in detail. The authors point t o the results of structural analyses with respect to clean unreconstructed and reconstructed surfaces, resp., and to adsorbed atomic and molecular layers, resp. Special emphasis is placed on the detection and explanation of two-dimensional orderdisorder phase transitions, e.g. given by the interaction of hydrogen with well-defined metal surfaces (Ni, Pd, Fe). As further fields of the application of LEED, chemical reactions at surfaces are mentioned as well as the island formation of a species. Finally, the authors point to the future trend with respect to the LEED experimentation and theory and to the progress in structure determination.Besides the complete description of the possibilities and limitations of the LEED technique the book shows the importance of this method within other surface-sensitive techniques (for comparison, a valuable table is added). With respect t o the results of LEED investigations, a detailed reference list is given as well as a table of surface structures.The clearly written and well-illustrated book should be of great interest for researchers working in surface science and surface techniques, e.g. in the field of catalysis, corrosion, coatings, adhesion, lubrication, and last not least in microelectronics. On the one hand, for a scientist working in the general field of surface problems the book is an excellent introduction showing the power of the LEED technique; on the other hand, for the specialist being already familiar with low-energy electron diffraction, in a concise manner the book offers and updated representation of the field and of experimental and theoretical details, supplemented by a valuable list of about 700 references.There is no doubt that VAN...
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