A laboratory project to obtain the low-temperature lattice constants of ionic crystals

R. M. Rodriguez; M. Barboza-Flores; R. S. Perez; A. B. Clark

doi:10.1088/0143-0807/13/4/008

A laboratory project to obtain the low-temperature lattice constants of ionic crystals

R. M. Rodriguez^*, M. Barboza-Flores, R. S. Perez, A. B. Clark

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

A simple method to determine the low-temperature lattice constant of alkali halide single crystals is described. The method requires the measurement of the F absorption band after crystal coloration, and the use of an empirical expression that relates the lattice constant and the peak position of the F absorption band, which may be obtained from the three-dimensional quantum mechanical infinite potential well. The subject is quite suitable for an advanced undergraduate physics laboratory course, since it may provide the students with an in depth understanding of fundamental concepts in solid-state physics, particularly those related to crystal structure and point defects.

Original language	English
Article number	008
Pages (from-to)	189-192
Number of pages	4
Journal	European Journal of Physics
Volume	13
Issue number	4
DOIs	https://doi.org/10.1088/0143-0807/13/4/008
State	Published - 1992
Externally published	Yes

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abstract = "A simple method to determine the low-temperature lattice constant of alkali halide single crystals is described. The method requires the measurement of the F absorption band after crystal coloration, and the use of an empirical expression that relates the lattice constant and the peak position of the F absorption band, which may be obtained from the three-dimensional quantum mechanical infinite potential well. The subject is quite suitable for an advanced undergraduate physics laboratory course, since it may provide the students with an in depth understanding of fundamental concepts in solid-state physics, particularly those related to crystal structure and point defects.",

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AU - Clark, A. B.

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AB - A simple method to determine the low-temperature lattice constant of alkali halide single crystals is described. The method requires the measurement of the F absorption band after crystal coloration, and the use of an empirical expression that relates the lattice constant and the peak position of the F absorption band, which may be obtained from the three-dimensional quantum mechanical infinite potential well. The subject is quite suitable for an advanced undergraduate physics laboratory course, since it may provide the students with an in depth understanding of fundamental concepts in solid-state physics, particularly those related to crystal structure and point defects.

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A laboratory project to obtain the low-temperature lattice constants of ionic crystals

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