= Gene Dresselhaus
{c}
{tag=Physicist}
{wiki}
<Gene Dresselhaus>, <Arthur F. Kip> and <Charles Kittel> used <cyclotron resonance> to investigate <electrons> and holes in <silicon> and <germanium> crystals. Their 1955 measurements near 4 <kelvin> combined light modulation with circularly polarized microwaves and changes in the crystal orientation relative to the <magnetic field>. The directional dependence of the resonance revealed anisotropic carrier <effective mass> values and the shape of constant-energy surfaces near the edges of the <electronic band structure>. The experiment turns the orbital motion of charge carriers into a probe of <electronic band structure>.<Cyclotron Resonance of Electrons and Holes in Silicon and Germanium Crystals by Gene Dresselhaus and others>[Physical Review 98, 368–384 (1955), abstract]{ref}
\Image[https://physics.mit.edu/wp-content/uploads/2021/11/mildred-gene-dresselshaus-A1-516x344-c-default.jpg]
{title=<Gene Dresselhaus> with <Mildred Dresselhaus>}
{description=Photo courtesy of the Dresselhaus family. External portrait hosted by Massachusetts Institute of Technology.}
{source=https://physics.mit.edu/news/gene-dresselhaus-influential-research-scientist-in-solid-state-physics-dies-at-91/}
{width=260}
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