Diffraction by Electrons and Neutrons

Videos 7.1-7.5 discuss the use of electrons and neutrons for scattering, with a particular emphasis on tools and techniques for neutron scattering. These videos are independently accessible without viewing those in previous sections.

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7.1 - The de Broglie Wavelength

Paul A. Heiney

Introduction to using massive particles (electrons, neutrons) for diffraction. The de Broglie relation relates the momentum of a particle to its wavelength. Time 3:46.
$7.2 - Electron Diffraction by Paul A. Heiney$
7.2 - Electron Diffraction

Paul A. Heiney

Wave nature of the electron. The transmission electron microscope. Comparison of electrons, X-rays for diffraction. Low energy electron diffraction (LEED). Time 5:19.
7.3 - Introduction to Neutron Scattering

Paul A. Heiney

Wave nature of the neutron. Comparison of neutrons, X-rays for diffraction. Neutron scattering cross sections. Coherent and incoherent scattering. Time 6:00.
7.4 - Neutron Scattering Techniques

Paul A. Heiney

Selected techniques in neutron scattering. Isotopic substitution, small angle neutron scattering, inelastic scattering, phonons, magnetic scattering. Time 7:04.
7.5 - Instrumentation for Neutron Scattering

Paul A. Heiney

Fission and spallation sources. Triple axis and time of flight spectrometers. Time 5:05.