Charged dislocations in sodium chloride single crystals

R. Strumane; R. De Batist; S. Amelinckx

doi:10.1016/0038-1098(63)90316-8

Charged dislocations in sodium chloride single crystals

R. Strumane, R. De Batist, S. Amelinckx

Research output › peer-review

Abstract

By the simultaneous measurement of the logarithmic decrement and the change in resonant frequency as a function of the strain amplitude it is shown that the appearance of an electrical signal at the surfaces of oscillating NaCl single crystals is connected with the breakaway of dislocations from weak pinning points. Assuming that these pinning points are positive ion vacancies, their binding energy to dislocations is estimated to be 0.36 eV. The charge on the dislocations was found to be positive in the vicinity of room temperature.

Original language	English
Pages (from-to)	1-4
Number of pages	4
Journal	Solid State Communications
Volume	1
Issue number	1
DOIs	https://doi.org/10.1016/0038-1098(63)90316-8
State	Published - Jun 1963

ASJC Scopus subject areas

General Chemistry
Condensed Matter Physics
Materials Chemistry

Access to Document

10.1016/0038-1098(63)90316-8

Cite this

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title = "Charged dislocations in sodium chloride single crystals",

abstract = "By the simultaneous measurement of the logarithmic decrement and the change in resonant frequency as a function of the strain amplitude it is shown that the appearance of an electrical signal at the surfaces of oscillating NaCl single crystals is connected with the breakaway of dislocations from weak pinning points. Assuming that these pinning points are positive ion vacancies, their binding energy to dislocations is estimated to be 0.36 eV. The charge on the dislocations was found to be positive in the vicinity of room temperature.",

author = "R. Strumane and {De Batist}, R. and S. Amelinckx",

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AB - By the simultaneous measurement of the logarithmic decrement and the change in resonant frequency as a function of the strain amplitude it is shown that the appearance of an electrical signal at the surfaces of oscillating NaCl single crystals is connected with the breakaway of dislocations from weak pinning points. Assuming that these pinning points are positive ion vacancies, their binding energy to dislocations is estimated to be 0.36 eV. The charge on the dislocations was found to be positive in the vicinity of room temperature.

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