Helium Atom Scattering
Helium atom scattering (HAS) is a surface analysis technique used in materials science. HAS provides information about the surface structure and lattice dynamics of a material by measuring the diffracted atoms from a monochromatic helium beam incident on the sample.
Read more about Helium Atom Scattering: History, Instrumentation, Elastic Measurements, Inelastic Measurements
Famous quotes containing the words atom and/or scattering:
“I celebrate myself, and sing myself,
And what I assume you shall assume,
For every atom belonging to me as good belongs to you.”
—Walt Whitman (1819–1892)
“What was he doing, the great god Pan,
Down in the reeds by the river?
Spreading ruin and scattering ban,
Splashing and paddling with hoofs of a goat,
And breaking the golden lilies afloat
With the dragon-fly on the river.”
—Elizabeth Barrett Browning (1806–1861)