Patent
1985-08-13
1988-03-22
Edlow, Martin H.
357 16, H01L 2712
Patent
active
047332824
ABSTRACT:
A semiconductor superlattice is provided with a one-dimensional quantum pipeline type carrier path. The pipeline is formed at the intersection of different energy level layers of the superlattice. Conductivity modulation through an adjacent exposed surface is employed for control in the pipeline and in arrays thereof. The pipeline carrier path involves both electrons and holes. A structure of Ga.sub.1-x Al.sub.x As with alternating 100.ANG. and 500.ANG. thick layers of different x has positioned, intersecting those layers, a 100.ANG. thick GaAs layer covered by a GaAlAs layer. Control and contacting electrodes are positioned on the exposed surfaces.
REFERENCES:
Japanese Journal of Applied Physics, vol. 19, No. 12, Dec., 1980, pp. L735-L738; "Scattering Suppression and High-Mobility Effect of Size-Quantized Electrons in Ultrafine Semiconductor Wire Structures", by H. Sakaki.
IBM Technical Disclosure Bulletin, vol. 27, No. 4B, Sep. 1984, p. 2592, "Edge Superlattice Bloch Oscillator", by L. L. Chang et al.
Proceedings of the 17th International Conference on the Physics of Semiconductors, San Francisco, Calif., Aug. 6-10, 1984, "Semiconductor Superlattices and Quantum Wells", by Leo Esaki, p. 473.
Chang Leroy L.
Esaki Leo
Edlow Martin H.
International Business Machines - Corporation
Kilgannon Thomas J.
Riddles Alvin J.
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