FUND. OF PHYSICS (LL)-W/WILEY+NEXTGEN(2)
11th Edition
ISBN: 9781119787235
Author: Halliday
Publisher: WILEY
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Question
Chapter 41, Problem 7Q
To determine
To find:
if the probability of occupancy 0.1 eV above the Fermi level increase, decrease or remains the same, if the temperature of the metal is increased.
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If the temperature of a piece of a metal is increased, does the probability of occupancy 0.1 eV above the Fermi level increase, decrease, or remain the same?
The Fermi energies of two metals X and Y are 5 eV and 7eV and their Debye
temperatures are 170 K and 340 K , respectively. The molar specific heats of these
metals
volume
at
low
temperatures
be
written
as
at
constant
can
(C, )x =rxT + AxT' and (C, ), =7yT+ A,T³ where y and A are constants. Assuming
that the thermal effective mass of the electrons in the two metals are same, which of the
following is correct?
7 Ax
= 8
(b)
Y x
7 Ax
1
(a)
= -
= -
5'Ay
5' A,
8.
Y
Y x
5 Аx
1
Y x
5 Аx
(c)
(d)
= 8
= -
7' Ay
7' Ay
8.
II
II
Starting with the Fermi energy given in Table , estimate the number of conduction electrons per atom for aluminum, which has density 2.70 x 103 kg/m3 at T = 300 K
Chapter 41 Solutions
FUND. OF PHYSICS (LL)-W/WILEY+NEXTGEN(2)
Ch. 41 - Prob. 1QCh. 41 - Prob. 2QCh. 41 - Prob. 3QCh. 41 - Prob. 4QCh. 41 - Prob. 5QCh. 41 - Prob. 6QCh. 41 - Prob. 7QCh. 41 - Prob. 8QCh. 41 - Prob. 9QCh. 41 - Prob. 10Q
Ch. 41 - Prob. 11QCh. 41 - Prob. 1PCh. 41 - Prob. 2PCh. 41 - Prob. 3PCh. 41 - Prob. 4PCh. 41 - Prob. 5PCh. 41 - Prob. 6PCh. 41 - Prob. 7PCh. 41 - Prob. 8PCh. 41 - Prob. 9PCh. 41 - Prob. 10PCh. 41 - Prob. 11PCh. 41 - Prob. 12PCh. 41 - Prob. 13PCh. 41 - Prob. 14PCh. 41 - Prob. 15PCh. 41 - Prob. 16PCh. 41 - Prob. 17PCh. 41 - Prob. 18PCh. 41 - Prob. 19PCh. 41 - Prob. 20PCh. 41 - Prob. 21PCh. 41 - Prob. 22PCh. 41 - Prob. 23PCh. 41 - Prob. 24PCh. 41 - Prob. 25PCh. 41 - Prob. 26PCh. 41 - Prob. 27PCh. 41 - Prob. 28PCh. 41 - Prob. 29PCh. 41 - Prob. 30PCh. 41 - Prob. 31PCh. 41 - Prob. 32PCh. 41 - Prob. 33PCh. 41 - Prob. 34PCh. 41 - Prob. 35PCh. 41 - Prob. 36PCh. 41 - Prob. 37PCh. 41 - Prob. 38PCh. 41 - Prob. 39PCh. 41 - Prob. 40PCh. 41 - Prob. 41PCh. 41 - Prob. 42PCh. 41 - Prob. 43PCh. 41 - Prob. 44PCh. 41 - Prob. 45PCh. 41 - Prob. 46PCh. 41 - Prob. 47PCh. 41 - Prob. 48PCh. 41 - Prob. 49PCh. 41 - Prob. 50PCh. 41 - Prob. 51PCh. 41 - Prob. 52PCh. 41 - Prob. 53P
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