2. Calculate the Fermi energy for the valence electrons in sodiummetal given that the valency of sodium is one, the density ofsodium is 0-97 g cm-³, the mass of the electron is 9-05 x 10-28g,Planck's constant is 6-62 x 10-27 erg sec, Avogadro's number is6-025 x 1023 per gramme molecule and the atomic weight ofsodium metal is 23. (Ans: e-(0) = 3-12 eV, Tp - 37,000°K.)%3D73

Fermi energy; EF=h28π2m3π2n2/3 ANS: The fermi energy is 5.073×10-21 Joule or 0.032 eV

Answered: 2. Calculate the Fermi energy for the…

2. Calculate the Fermi energy for the valence electrons in sodium metal given that the valency of sodium is one, the density of

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter29: Solid-state Electronics

Section: Chapter Questions

Problem 67A

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Question

2. Calculate the Fermi energy for the valence electrons in sodium
metal given that the valency of sodium is one, the density of
sodium is 0-97 g cm-³, the mass of the electron is 9-05 x 10-28
g,
Planck's constant is 6-62 x 10-27 erg sec, Avogadro's number is
6-025 x 1023 per gramme molecule and the atomic weight of
sodium metal is 23. (Ans: e-(0) = 3-12 eV, Tp - 37,000°K.)
%3D
73

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