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Brock, C. P.; Lingafelter, E. C. – Journal of Chemical Education, 1980
Relates a number of fundamental misconceptions and errors relating to the concepts of the crystal lattice and crystal symmetry. (CS)
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
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Honig, J. M. – Journal of Chemical Education, 1980
Describes how a simplified version of order-disorder theory can be presented in an undergraduate course on physical or solid state chemistry. This version is also shown to be useful in dealing with a variety of physical phenomena. (CS)
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
Peer reviewed Peer reviewed
Swinnea, J. S.; Steinfink, H. – Journal of Chemical Education, 1980
Reviews the structure, preparation, and physical properties of a series of compounds characterized by structures formed from sublattices which have incommensurate repeat distances in one or two directions. (Author/CS)
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
Peer reviewed Peer reviewed
Hong, Y. S.; And Others – Journal of Chemical Education, 1980
Describes some contemporary concepts unique to the structure of advanced solids, i.e., their crystal distortions, domain structures, modulated structures, ferrimagnetism, and composition dependence. (Author/CS)
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
Peer reviewed Peer reviewed
DeLuca, John A. – Journal of Chemical Education, 1980
Introduces luminescence by characterizing phosphors, describing phosphor phenomena, presenting a configurational coordinate model of characteristic luminescence, and describing some commercial applications of phosphors. (CS)
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
Peer reviewed Peer reviewed
Adler, David – Journal of Chemical Education, 1980
Presents a combined knowledge of both the chemistry and physics of amorphous conductors in an attempt to understand these unconventional solids. (CS)
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
Peer reviewed Peer reviewed
Brixner, L. H. – Journal of Chemical Education, 1980
Diagrams and tables supplement textual information regarding the structure of ScNbo-4 and its observed and calculated d-values; excitation and emission spectra and cell constants for the ScTa(1-x)NB(x)O(4) system. (CS)
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
Peer reviewed Peer reviewed
White, J. M.; Campbell, Charles T. – Journal of Chemical Education, 1980
Provides background data on surface chemistry as an emerging discipline. Highlights the important role which surfaces play in catalysis by focusing on the catalyzed oxidation of carbon monoxide. Provides a demonstration of how surfaces exert their influences in heterogeneous phenomena and illustrates how experimental problems in this field are…
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
Peer reviewed Peer reviewed
Wold, Aaron – Journal of Chemical Education, 1980
Presents several examples illustrating different aspects of materials problems, including problems associated with solid-solid reactions, sintering and crystal growth, characterization of materials, preparation and characterization of stoichiometric ferrites and chromites, copper-sulfur systems, growth of single crystals by chemical vapor…
Descriptors: Chemical Industry, Chemical Reactions, Chemistry, College Science
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Greenblatt, M. – Journal of Chemical Education, 1980
Outlines general principles in observing sharp electron spin resonance (ESR) lines in the solid state by incorporating the transition metal ion of interest into an isostructural diamagnetic host material in small concentration. Examples of some recent studies are described. (CS)
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
Peer reviewed Peer reviewed
Whittingham, M. Stanley; Chianelli, Russell R. – Journal of Chemical Education, 1980
Considers a few areas of oxide/sulfide and intercalation-type chemistry. Discusses synthesis of the disulfides of the metals of group IVB, VB, and VIB; the intercalation reaction between lithium and titanium disulfide; other intercalates; and sulfide catalysts. (CS)
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
Peer reviewed Peer reviewed
Eyring, LeRoy – Journal of Chemical Education, 1980
Describes methods for using the high-resolution electron microscope in conjunction with other tools to reveal the identity and environment of atoms. Problems discussed include the ultimate structure of real crystalline solids including defect structure and the mechanisms of chemical reactions. (CS)
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
Peer reviewed Peer reviewed
Mroczkowski, Stanley – Journal of Chemical Education, 1980
Presents a survey of the scientific basis for single crystals production, discussing some of the theoretical and experimental advances in the area. Future prospects for semiconductors, magnetic lasers, nonlinear optics, piezoelectrics, and other crystals are surveyed. (Author/CS)
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
Peer reviewed Peer reviewed
Bodner, George M.; And Others – Journal of Chemical Education, 1980
Describes a method using lap-dissolve slide techniques with two or more slide projectors focused on a single screen for presenting visual effects that show structural features in extended arrays of atoms, or ions involving up to several hundred atoms. Presents an outline of an introduction to the structures of crystalline solids. (CS)
Descriptors: Audiovisual Aids, Chemical Reactions, Chemistry, College Science
Peer reviewed Peer reviewed
McKinney, Michael A.; Haworth, Daniel T. – Journal of Chemical Education, 1980
Reviews the application of orbital symmetry principles to an understanding of the fluxional behavior of certain organometallic compounds, with particular reference to the cyclopolyenylmetal systems. (CS)
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
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