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Book A Theory of the Dielectric Constants of Alkali Halide Crystals

Download or read book A Theory of the Dielectric Constants of Alkali Halide Crystals written by Bertram Gale Dick and published by . This book was released on 1958 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book The Lattice Dynamics and Statics of Alkali Halide Crystals

Download or read book The Lattice Dynamics and Statics of Alkali Halide Crystals written by J. R. Hardy and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lattice dynamics is a classic part of solid state physics and the alkali halide crystals are classic materials. Nearly every new technique in many-body theory has first been applied to lattice-dynamical prob lems, and much of our present understanding of the physics of real crystals has its origins in pioneering work, both experimental and theoretical, carried out between 1920 and 1950 on alkali halide systems. The object of the present text is to present a unified coverage of that part of physics where these two areas overlap and to extend this coverage somewhat in order to include not merely the dynamical behavior of alkali halides but also their static behavior. Specifically, we discuss the manner in which these materials respond to the presence of point imperfections. The rationale for this extension is simple: mechanics includes both dynamics and statics and a text which discusses the former should also discuss the latter. Two other unifying themes are also present; the data presented are largely the result of our long collaboration in this area, and the work is a partial history of the impact of digital computers on lattice dynamics, an impact which parallels their impact on the whole of solid state physics. Since this work is largely an account of model calculations, we have stressed the use of the simplest possible model at each level of sophistication and its uniform application to the crystals discussed.

Book Theory and measurement of dielectric properties of alkali halide crystals at cryogenic temperatures

Download or read book Theory and measurement of dielectric properties of alkali halide crystals at cryogenic temperatures written by David Grissom and published by . This book was released on 1965 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Born expression, E = - alpha/r+ beta/rn, for the energy of interaction between two ions is used to derive a new expression for the ionic polarizability of the alkali halides. The new expression for the ionic polarizability, based upon dielectric constant measurements, gives values of the repulsive exponent n, in the Born energy relation, which agree well with values obtained from compressibility studies. The dielectric losses in a perfect crystal are examined in detail. It is assumed that there are three mechanisms which may contribute to the losses in a perfect crystal: radiation damping, quantum absorption, and collision broadening. Calculations show the losses due to radiation and quantum effects to be too small to measure. A new theory of collision broadening, as applied to dielectric losses, is offered. The thermal energy of the crystal lattice produces an rms ion displacement from the equilibrium position. Experimental dielectric loss measurements in the VHF-UHF range show the actual losses to be much larger than those calculated for perfect crystals. The observed losses in NaCl and KCl are shown to be of the same nature as Debye relaxation, which are associated with crystal defects. For NaCl, a loss peak near 300 Mc/sec has an activation energy of .0011 ev. and has a fractional defect density of approximately 5 x 10 to the minus 10th power.

Book Low Frequency Dielectric Properties of Paraelectric Impurities in Alkali Halide Crystals at Low Temperature

Download or read book Low Frequency Dielectric Properties of Paraelectric Impurities in Alkali Halide Crystals at Low Temperature written by Timothy I-fan Chang and published by . This book was released on 1972 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Alkali Halides

    Book Details:
  • Author : D.B. Sirdeshmukh
  • Publisher : Springer Science & Business Media
  • Release : 2013-03-09
  • ISBN : 3662043416
  • Pages : 300 pages

Download or read book Alkali Halides written by D.B. Sirdeshmukh and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing in a single volume all essential information on the physical properties of alkali halides, this book will be a valuable reference for solid-state physicists and materials scientists.

Book Dielectric Breakdown of Alkali Halide Crystals

Download or read book Dielectric Breakdown of Alkali Halide Crystals written by Douglas Thornton GROSSART and published by . This book was released on 1956 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Vacancy Clusters in Alkali Halide Crystals

Download or read book Vacancy Clusters in Alkali Halide Crystals written by Charles Augustus Johnson and published by . This book was released on 1960 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Technical Report No459  Phonon Anharmonicity and Microwave Absorption in Alkali Halide Crystals

Download or read book Technical Report No459 Phonon Anharmonicity and Microwave Absorption in Alkali Halide Crystals written by United States. Naval Research Office and published by . This book was released on 1964 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Dielectric Absorption in Alkali Halide Crystals

Download or read book Dielectric Absorption in Alkali Halide Crystals written by Charles C. Gallagher and published by . This book was released on 1960 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Mechanisms that Determine the Electronic Dielectric Constants of Ionic Crystals

Download or read book Mechanisms that Determine the Electronic Dielectric Constants of Ionic Crystals written by Stanford University. Microwave Laboratory and published by . This book was released on 1975 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Reviews in Computational Chemistry  Volume 18

Download or read book Reviews in Computational Chemistry Volume 18 written by Kenny B. Lipkowitz and published by John Wiley & Sons. This book was released on 2003-04-14 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Seit vielen Jahren praxisbewährt! Auch dieser 18. Band der Reihe Reviews in Computational Chemistry gibt Studenten und Forschern einen Einblick in Rechenverfahren, die sie anwenden wollen, ohne daß die theoretischen Grundlagen zu ihrem Arbeitsgebiet gehören. Das methodische Spektrum umfaßt Molecular Modeling, Quantenchemie, CAMD, QSAR, Molekülmechanik und -dynamik. Mit einem Autoren- und einem Stichwortverzeichnis sowie einer ausführlichen Softwareliste, die Hunderte von Programmen, Dienstleistungen und Anbietern umfaßt.

Book Sir Nevill Mott        65 Years in Physics

Download or read book Sir Nevill Mott 65 Years in Physics written by N F Mott and published by World Scientific Publishing Company. This book was released on 1995-08-15 with total page 753 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains a discriminating selection of papers with commentaries by one of the most creative theoretical physicists of our century, Nobel Laureate Sir Nevill Mott. His pioneering contributions (1928 – 1993) include Fermi liquid theory, metal-insulator transition, the theory of noncrystalline materials, high-temperature superconductivity and many other discoveries.