Answered: The figure below is the X-ray… | bartleby

Related questions

Question

The figure below is the X-ray diffraction (XRD) pattern of Nb, which has a BCC crystal structure.
A monochromatic X-ray with a wavelength (^) of 0.1542 nm was used. The reflection order is 1.
(a) Calculate the lattice spacing for the (110) plane from the XRD spectrum.
(b) Calculate the lattice parameter of Nb.
(c) What is the atom packing fraction (APF) of Nb?
8000
(110)Nb
38.3°
6000
4000
69.3°
55.3°
(211)Nb
2000
(200)Nb
82.1°
(220)Nb
30
40
50
60
70
80
90
20,degree
Intensity
20

Expert Solution

Step 1

To calculate the lattice spacing d, use the Bragg's law

$n λ = 2 d sin θ \dots (1)$

where n is the order of reflection, $λ$ is the wavelength of the X-ray used, $θ$ is the angle of diffraction.

Trending now

This is a popular solution!

Step by step

Solved in 5 steps

SEE SOLUTION Check out a sample Q&A here

Blurred answer

Similar questions

Question in images
A mode-locked laser has a linewidth of 100nm at a center wavelength 1050nm. Assume the pulse shape is hyberbolic secant and it is transform limited. What is the pulse width (in fs)? (round all answers to 1 sig. fig. after decimal point) a.116.0 b.11.6 c.5.8 d.58.0 e.100.0
"One atom with three energy levels" breifly explain the roles of spontaneous and stimulated emission in the amplification of light in the optical cavity. Make it clear why both are important.
The figure below depicts spectral reflectance measurements for three different materials: a green leaf from a healthy plant, a sheet of shiny blue paper, and the palm of a human hand. The measurements are labeled 1 (black line), 2 (red line), and 3 (blue line). Match the measurements to the most appropriate material type
Use the worked example above to help you solve this problem. A sodium surface is illuminated with light of wavelength 0.329 µm. The work function for sodium is 2.46 eV.
1) A laser has divergence of 1 milli radians . What is the spatial spread for every meter ? The answer is 1 mm . Please explain how the answer is got 2) You are given a light source of coherence length 3 m . It is split into 2 rays such that the path difference between them is 4 m . Can you form a stable interference ? The answer is No . I just want the reasoning to the answer .