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X-Ray Topographic Study of Vibrating Dislocations in Ice Under an Ac Electric Field

  • K. Itagaki (a1)

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The behavior of charged dislocations in alkali-halide crystals has been drawing attention in connection with the charge transfer which occurs during plastic deformation.1-9 Recently, Itagaki proposed a charged dislocation mechanism to account for the dielectric properties of ice.10 His theory is in part supported by the dielectric measurements o f strained ice made by Ackley and Itagaki.11 Brantley and Bauer12 derived similar equations for the dielectric constant based on charged dislocation motion. They also proposed a new mechanism for apparent piezoelectricity based on moving charged dislocations in an electric field .

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1. Sproull, R. L., “Charged Dislocations in Lithium Fluoride”, Phil. Mag. 5:815831, (1960).
2. Remaut, G. and Vennik, J., “Observations on an Electrical Effect Obtained during Deformation of Sodium Chloride Crystals,” Phil. Mag. 6:18, (1961).
3. Davidge, R. W., “The Sign of Charged Dislocations in Nacl,” Phil. Mag. 8:13691377, (1963).
4. Whitworth, R. W., “The Production of Electrostatic Potential Differences in Sodium Chloride Crystals by Plastic Compression and Bending,” Phil. Mag. 10:801816, (1964).
5. Zagoruiko, N. V., “Effect of an Electrostatic Field and a Pulsed Magnetic Field on the Movements of Dislocations in Sodium Chloride,” Soviet Physics-Crystallography, 10:6367, (1965).
6. Whitworth, R. W., “A Measurement of the Charge on Edge Dislocations in a Sodium Chloride Crystal,” Phil. Mag. 15:305319, (1967).
7. Schwensfeir, R. J. Jr. and Elbaum, C., “Electric Charge on Dislocation Arrays in Sodium Chloride,” J. Phys. Chem. Solids, 28: 597606, (1967).
8. Turner, R. M. and Whitworth, R. W., “Movement of Dislocations in Sodium Chloride Crystals in an Electric Field”, Phil. Mag. 18: 531539 (1968).
9. De Batist, R., von Dingen, E., Martyshev, Yu. H., Sil'vestrova, I. M. and Urusovskaya, A. A., “Charged Dislocations in Cesium Iodide,” Soviet Physics-Crystallography, 12:881888, (1968).
10. Itagaki, K., “Contribution of Charged Dislocation Motion on Dielectric Behavior of Ice,” Bulletin Amer. Phys. Soc. 14: 4ll, (l969) Abstract.
11. Ackley, S. and Itagaki, K., “Strain Effect on the Dielectric Properties of Ice,” Bulletin Amer. Phys. Soc. 14:411, (1969) Abstract.
12. Brantley, W. A. and Bauer, C. L., “Effect of Charged Dislocations on Dielectric Piezoelectric and Elastic Properties,” J. Mat. Sci. Mag. 4:2938, (1969).
13. Eshelby, J. D., Newey, C.W.A., Pratt, P. L., and Lidiard, A. B., “Charged Dislocations and the Strength of Ionic Crystals,” Phil. Mag. 3:75–39, (1958).
14. Bauer, C. L. and Gordon, R. B., “Mechanism for Dislocation Pinning in the Alkali Halides,” J. Appl. Phys. 33:672682, (1962).
15. Itagaki, K., “X-ray Effect on Dielectric Properties of Ice,” to be published.
16. Webb, W. W. and Hayes, C. E., “Dislocations and Plastic Deformation of Ice,” Phil. Mag. 16:909925, (1967).
17. Brantley, W. A., Private Communication.
18. Tippe, A., “Zum Piezoeffekt bei Eis I,” ZS, Naturwisseuschaften, 3:1, (1967).
19. Deubner, A., Heise, R. and Wenzel, K., “Nachweis des Piezoeffektes am Eis,” Naturwissenschaften, 47:600601, (1960).

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