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4. About the surface energy; (a) The surface energy of a single crystal depends on the crystallographic orientation with respect to the surface. Explain why this is so. (b) For an FCC crystal, such as aluminum, would you expect the surface energy for a (100) plane to be greater or less than that for a (111) plane? Why?

4. About the surface energy; (a) The surface energy of a single crystal depends on the crystallographic orientation with respect to the surface. Explain why this is so. (b) For an FCC crystal, such as aluminum, would you expect the surface energy for a (100) plane to be greater or less than that for a (111) plane? Why?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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4. About the surface energy; (a) The surface energy of a single crystal depends on the crystallographic orientation with respect to the surface. Explain why this is so. (b) For an FCC crystal, such as aluminum, would you expect the surface energy for a (100) plane to be greater or less than that for a (111) plane? Why?
Transcribed Image Text:4. About the surface energy; (a) The surface energy of a single crystal depends on the crystallographic orientation with respect to the surface. Explain why this is so. (b) For an FCC crystal, such as aluminum, would you expect the surface energy for a (100) plane to be greater or less than that for a (111) plane? Why?
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