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Browse Prior Art Database

Super-Atom Structures

IP.com Disclosure Number: IPCOM000034233D
Original Publication Date: 1989-Jan-01
Included in the Prior Art Database: 2005-Jan-27

Publishing Venue

IBM

Related People

Authors:
Brodsky, MH [+details]

Abstract

Arrays of super-atoms can be constructed with choices of atomic potentials, sizes, geometries and arrangements to provide new materials with designable electronic properties. A super-atom is formed as a solid-state structure, as shown in Fig. 1, in which material, such as gallium arsenide, is a closed quantum well 1 having a core 2 and surrounding material 3 above, below and in the same plane, such as an alloy of aluminum gallium arsenide. Electron orbits of quantum well 1 then become quantized carriers due to GaAs thickness and the closed path in the conduction band and form planar orbits. These orbits apply equally to holes in the valence band. (Image Omitted) The sets of planar orbits produce special properties analogous to atomic m-states of atomic orbitals with angular momenta quantum number 1.