quantum well


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quantum well

[¦kwän·təm ′wel]
(electronics)
A thin layer of material (typically between 1 and 10 nanometers thick) within which the potential energy of an electron is less than outside the layer, so that the motion of the electron perpendicular to the layer is quantized.
References in periodicals archive ?
V-shaped defects [5-7] readily form at InGaN/GaN quantum wells (QWs) having high indium mole fractions, triggered by threading dislocations in the buffer layer.
Son et al., "Surface modifications and optical properties of blue InGaN single quantum well by in-situ thermal treatments," Physica Status Solidi (C), vol.
Wang, "Observation of large Stark Shift in [Ge.sub.x][Si.sub.1-x]/Si Multiple Quantum Wells," J.
Gerthsen et al., "Indium redistribution in an InGaN quantum well induced by electron-beam irradiation in a transmission electron microscope," Applied Physics Letters, vol.
Wang, "Influence of strain relaxation on the optical properties of InGaN/GaN multiple quantum well nanorods," Journal of Physics D: Applied Physics, vol.
For a classical infinite square quantum well of width 2L, the solution is known to take the form
The Schrodinger equation is solved variationally by finding <H([rho], [phi], z)> and the binding energy of the donor in a quantum well wire is given by the difference between the energy with and without the Coulomb interaction.
In order to specify the obtained mnH(L) features, we have solved the one dimensional Schrodinger equation for finite quantum wells based on the envelope function approximation [23] including the effects of strain.
Pandey and Thomas E George treat the electrons confined in a quantum well as a kind of gas consisting of electrons moving randomly at various speeds.
TAKING ADVANTAGE of their expertise in quantum well phenomena, a team of researchers at Univ.