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Structural Research / Strukturforschung
107 In this way the absolute values of the structure factors may be found, not the phases (6. 8). The problem to find these phases is the phase problem. The present article will treat the following topics. At first the description of the ideal crystal will be given in Chap. B. The underlying principles of this description are the concepts of reciprocal lattice, FOURIER synthesis and sym metry. The evaluation of the intensity will then follow in Chap. C and D. Chap. E is concerned with the phase problem and related topics. Though this article treats the analysis of crystal structures, the fundamental concepts for other structures will here be found too. But these topics, and the experimental ...
X-ray Characterization of Materials
Linking of materials properties with microstructures is a fundamental theme in materials science, for which a detailed knowledge of the modern characterization techniques is essential. Since modern materials such as high-temperature alloys, engineering thermoplastics and multilayer semiconductor films have many elemental constituents distributed in more than one phase, characterization is essential to the systematic development of such new materials and understanding how they behave in practical applications. X-ray techniques play a major role in providing information on the elemental composition and crystal and grain structures of all types of materials. The challenge to the materials chara...
Optical Spectra
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Proceedings
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Scientific Information Transfer: The Editor’s Role
It was Faraday who in 1821 said that there are three necessary stages of useful research. The first to begin it, the second to· end it, and the third 1 to publish it. There has since indeed been so much research and publication that we have become increasingly alarmed by the galloping proliferation of scientific information produced in relation to the user's ability to retrieve and consume it effectively, conveniently and creatively. In 1948, to deal with this concern, the Royal Society Scientific Infor 1 mation Conference held in London spanned the whole realm of scientific in formation. Sir Robert Robinson, President of the Royal Society, in his open ing address noted that "the study of s...
Handbuch Der Physik
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