Neutron diffraction

What is Bragg's law?

• You always have to boast

Match the following crystal symmetries

• Monoclinic

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• Tetragonal

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• Hexagonal

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• Orthorhombic

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• Cubic

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The Debye-Waller factor quantifies the atom's ​ (a)   and the effect is to ​ (b)   the scattering intensity when the atom ​ (c)  

• vibration around its equilibrium position
• collective motion with its neighbours
• position with respect to the unit cell origin
• decrease
• increase
• is moving around
• swapping places with other atoms

How is the nuclear structure factor defined?

Organize these options into the right categories

Groups:

(a) Time-of-flight diffractometers

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(b) Two-axis diffractometers

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In a time-of-flight diffraction experiment, which information do we need to perform the experiment?

• The detector position

• The flight time of the neutron

• The length of the instrument

• The monochromator type