Problem 2. (a) Calculate the fraction of atom sites that are vacant for copper (Cu) at its melting temperature of 1084°C (1357 K). Assume an energy for vacancy formation of 0.90 eV/atom. (b) Repeat this calculation at room temperature (298 K).

Problem 2. (a) Calculate the fraction of atom sites that are vacant for copper (Cu) at its melting temperature of 1084°C (1357 K). Assume an energy for vacancy formation of 0.90 eV/atom. (b) Repeat this calculation at room temperature (298 K).

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Crystalline Imperfections

The crystalline imperfections are described as the geometrical defects in the crystal due to incorrect arrangement of atoms, impurity, vacancy, and many more. It is not possible to achieve a perfect or ideal crystal, practically.

Question

Problem 2. (a) Calculate the fraction of atom sites that are vacant for copper (Cu) at its melting
temperature of 1084°C (1357 K). Assume an energy for vacancy formation of 0.90 eV/atom. (b) Repeat
this calculation at room temperature (298 K).

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Step 2: To calulate The fraction of atom sites that are vacant (Nv/N) at 1357K and at 298K

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Step 3: The fraction of atom sites that are vacant the at 298K and ratio of Nv /N (1357 K) and Nv /N (298 K)

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