Assignment #5 Homework Problems and Reading Due Wednesday 1 March 2017
Please read Cullity Chapter 4-9 through 4-13.
Solve the following Problems, two points each:
All Students:
Cullity Prob 2-24
Cull
Assignment #2
Please read Cullity Chapter 2-4 through 2-9, and then solve the following problems, two points each:
All students do Problem 2-2 and 2-6 in Cullity.
535 Students also complete D as descr
Cullity Prob. 2-6 Solution
Given Planes (-1 1 0), (-3 1 1), (-1 -3 2) find the zone axis and give at least one additional plane in the
zone.
Using eqn. 2-7 on the first two,
[u v w] = [ h1 k1 l1 ] x [
Cullity problem 1-6, extension C
First, remember that / only has a smooth, monotonic behavior on a Branch
between absorption edges, where it undergoes abrupt changes. We must confirm
that the emission
Verify (Assess) / = k3Z3
Cullity problem 1-6
With Pb absorber and three X-ray lines
Using X-ray lines from Appendix 7 of Cullity
(K1 )
Element
Mo
Rh
Ag
(K2 ) (K )
3
/ [cm^2/g]
0.7093
0.7136
0.7107
0.3
Cullity problem 1-7
With 1mm Pb absorber and Cu Ka and Mo Ka incident
density =
11.33 [g/cm3]
Using X-ray lines from Appendix 7 of Cullity
Element
Cu
Mo
SWL @ 30kV
(K )
1.5418
0.7107
0.4133
/ [cm2/g]
Please read chapter 1 in Cullity and then solve the following problems two points each:
All students do Problem 1-6 and 1-7 in Cullity. If you wish to look up some X-ray wavelengths, please use
the mo
Assignment #3 Due Wednesday 8 Feb 2017
Please read Cullity Chapter 2-10 through 2-12, and 3-1 through 3-6
Then solve the following problems, two points each:
All students do:
Ex3-1: The unit cells of
Assignment #4 Homework Problems and Reading Due Wednesday 22 Feb 2017
Please continue reading Cullity Chapter 3-8, 4-1 through 4-3, plus 4-4 through 4-8
Solve the following Problems, two points each:
MSCI406
HOMEWORK 03
4-3: Basis of two unlike atoms. for the problem treated by (18) to (26), find the
amplitude ratios u/v for the two branches at Kmax = /a. Show that at this value of K
the two latti
MSCI406
HOMEWORK 06
14-4: Heat capacity from internal degrees of freedom. (a) Consider a two-level system with
an energy splitting kB between upper and lower states; the splitting may arise from
a mag
MSCI406
HOMEWORK 04
6-1: Kinetic energy of electron gas. Show that the kinetic energy of a three-dimensional
gas of N free electrons at 0K is U0 = 53 N F
2
The energy eigenvalues are k = 2m k 2 . The
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Announcement:
Quiz today the last 15 minutes of class.
No homework due this week.
The six factors which determine
intensities of diffracted beams:
1)
Polarization factor, because the beam is not polar
Mon. 7 Mar 2016
Hwk #4 scores:
min median max perfect
435: 1.8
2.65 4.0
4.0
535: 2.75 5.25 6.0
6.0
Answers were posted on OwlSpace Feb. 20.
Due to issues with problem 2-23 as discussed last class:
A p
Announcement:
Quiz Monday 22 Feb. about crystal systems and Bravais
lattices.
One alternative to the Williamson-Hall method is the WarrenAverbach method of fourier analysis. Need some software for
thi
Mon. 21 Mar 2016
Announcements:
There will have to be a test soon. It will be a take-home, perhaps
given out this Friday and returned next week.
Instructor should have assigned two homework problems t
class cancelled 8 & 10 Feb. 2016
due to illness of instructor
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Mon. 14 Mar 2016
Announcements:
There will have to be a test soon. It will be a take-home,
perhaps given out this Friday and returned next week.
Instructor should have assigned two homework problem th
Diffraction can be easily demonstrated using a
common red laser pointer and a common factorymade compact digital audio disk (CD).
Scanning electron microscope photos of a CD,
polycarbonate removed to
Continuing with
Geometry of Crystals
including Cullity Chapter 2
Close packing and stacking sequence
Close-packed structures are formed by stacking of close-packed
planes.
Stacking sequence for FCC
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Announcements
Hwk #3 posted on OwlSpace
Hwk #1 scores
min median max
Cullity Fig. 1-8, mass absorption coefficient of Ni as a function of wavelength.
Along each curved segment / = k 33 where Z is atomic number.
For a given material, between its absorption edges kZ3 is