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The Vibrational Spectrum and Specific Heat of a Face-Centered Cubic Crystal

Leighton, Robert B. (1948) The Vibrational Spectrum and Specific Heat of a Face-Centered Cubic Crystal. Reviews of Modern Physics, 20 (1). pp. 165-174. ISSN 0034-6861. https://resolver.caltech.edu/CaltechAUTHORS:20140731-165525950

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Abstract

The frequency spectrum of a face-centered cubic crystal lattice is found by actually modeling the constant-frequency surfaces of the secular determinant in plaster of Paris and measuring the volume enclosed between successive surfaces. The frequency spectrum so obtained is used in the evaluation of the specific heat of a general crystal of the type treated, and numerical values are presented for the element silver. The present theory (that of Born and v. Karman) is in much better agreement with experimental values for temperatures below 100°K than is the Debye theory. Certain anomalies in the specific heat curves of silver and potassium chloride at temperatures below 10°K are not explicable in terms of the atomic model that is used.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1103/RevModPhys.20.165DOIArticle
http://journals.aps.org/rmp/abstract/10.1103/RevModPhys.20.165PublisherArticle
Additional Information:© 1948 The American Physical Society.
Issue or Number:1
Record Number:CaltechAUTHORS:20140731-165525950
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140731-165525950
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:47755
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:01 Aug 2014 03:30
Last Modified:03 Oct 2019 06:56

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