Calculate the self-diffusion coefficient of Fe in Problem 3.22, given the unit-cell parameter a = 2.87 .

Question:

Calculate the self-diffusion coefficient of Fe in Problem 3.22, given the unit-cell parameter a = 2.87 Å.

Problem 3.22

Assume that bcc iron at 1800 K has a fraction of vacant Fe sites of 0.0001, an Fe atom vibration frequency

v = 10 s and an activation energy for hopping A* Gm = 29 kJ/ mol. What is the jump frequency of Fe atoms? On

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Solid State Materials Chemistry

ISBN: 9780521873253

1st Edition

Authors: Patrick M. Woodward, Pavel Karen, John S. O. Evans, Thomas Vogt

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Question Posted: Jan 23, 2024 10:03 AM

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Calculate the self-diffusion coefficient of Fe in Problem 3.22, given the unit-cell parameter a = 2.87 .

Question:

v = 10 s and an activation energy for hopping A Gm = 29 kJ/ mol. What is the jump frequency of Fe atoms? On average, how many vibrations are there between jumps? What is the Fe progression rate at each site?

Step by Step Answer:

Equation 318 suggests multiplying the prog...View the full answer

Solid State Materials Chemistry

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