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An Introduction to Neutron Scattering - Spallation Neutron Source

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Energy Transfer (meV)<br />

10000<br />

100<br />

1<br />

0.01<br />

10 -4<br />

10 -6<br />

<strong>Neutron</strong>s in Condens ed Matter Res earch<br />

<strong>Spallation</strong> SPSS - Chopper - Chopper Spectrometer<br />

ILL - w ithou t s pin -ec ho<br />

ILL - with s pin-ech o<br />

Elastic <strong>Scattering</strong><br />

[Larger Objects Resolved]<br />

Micelles Polymers<br />

Proteins in Solution<br />

Viruses<br />

Metallurgical<br />

Systems<br />

Colloids<br />

Aggregate<br />

Motion<br />

Polymers<br />

and<br />

Biological<br />

Systems<br />

Coherent<br />

Modes in<br />

Glasses<br />

and Liquids<br />

Molecular<br />

Motions<br />

Membranes<br />

Proteins<br />

Critical<br />

<strong>Scattering</strong><br />

Diffusive<br />

Modes<br />

Spin<br />

Waves<br />

Electron-<br />

phonon<br />

Interactio ns<br />

Crystal and<br />

Magnetic<br />

Structures<br />

Crystal<br />

Fields<br />

Slower<br />

Motions<br />

Resolved<br />

Molecular<br />

Reorientation<br />

Tunneling<br />

Spectroscopy<br />

Surface<br />

Effects?<br />

Itinerant<br />

Magnets<br />

Hydrogen<br />

Modes<br />

Mo lecu lar<br />

Vibrations<br />

Lattice<br />

Vibrations<br />

and<br />

<strong>An</strong>harmonicity<br />

Amorphous<br />

Systems<br />

<strong>Neutron</strong><br />

Induced<br />

Excitations<br />

Momentum<br />

Distributions<br />

Accurate Liquid Structures<br />

Precision Crystallography<br />

<strong>An</strong>harmonicity<br />

0.001 0.01 0.1 1 10 100<br />

Q (Å -1 )<br />

<strong>Neutron</strong> Spin Echo has significantly extended the (Q,E) range <strong>to</strong> which<br />

neutron scattering can be applied

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