Sentences with phrase «conduction electrons in the material»
By adjusting various parameters — such as the density of conduction electrons in the material or the strength of the DC electric field — it is possible to tune the cutoff wavenumber and, consequently, the frequency of the resulting terahertz radiation.
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Spin transfer torque is the transfer of the spin angular momentum from conduction electrons to the magnetization of a ferromagnet and enables the manipulation of nanomagnets with spin currents rather than magnetic fields,» explained Gyung - Min Choi, who recently completed his PhD in materials science and engineering at Illinois.
Thermoelectric cooling is a solid - state refrigeration process where the heat in an electrically conductive material is transferred using the material's own conduction electrons without any need for the gaseous coolants, such as chlorofluorocarbons, that are used in conventional refrigeration.
«This is unambiguous smoking - gun evidence to confirm theoretical predictions for the conduction of electrons in these materials,» said Purdue University doctoral student Yang Xu, lead author of a paper appearing this week in the journal Nature Physics.