Ultra-high-speed photoconductive devices using semi-insulating layers

An ultra-high-speed photoconductive device is described which comprises a homoepitaxial semi-insulating III-V layer, or body, upon which ohmic/conductive contacts, or strips, separated by a small gap, are formed. The semi-insulating body, or layer, is produced by low temperature growth of III-V comp...

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Bibliographische Detailangaben
Hauptverfasser:	LE, HAN Q, SMITH, FRANK W, HOLLIS, MARK A, DIADIUK, VICKY, CALAWA, ARTHUR R
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS DEVICES USING STIMULATED EMISSION ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:	An ultra-high-speed photoconductive device is described which comprises a homoepitaxial semi-insulating III-V layer, or body, upon which ohmic/conductive contacts, or strips, separated by a small gap, are formed. The semi-insulating body, or layer, is produced by low temperature growth of III-V compounds by MBE. In a GaAs embodiment, the layer is grown under arsenic stable growth conditions, at a substrate temperature preferably in the range of 150 DEG to about 300 DEG C.