Si resonant interband tunnel diodes grown by low-temperature molecular-beam epitaxy

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Title: Si resonant interband tunnel diodes grown by low-temperature molecular-beam epitaxy
Author: Thompson, Phillip; Hobart, Karl; Twigg, Mark; Jernigan, Glenn; Dillon, Thomas; Rommel, Sean; Berger, Paul; Simons, David; Chi, Peter; Lake, Roger; Seabaugh, Alan
Abstract: Si resonant interband tunnel diodes that demonstrate negative differential resistance at room temperature, with peak-to-valley current ratios greater than 2, are presented. The structures were grown using low-temperature ~320 °C! molecular-beam epitaxy followed by a postgrowth anneal. After a 650 °C, 1 min rapid thermal anneal, the average peak-to-valley current ratio was 2.05 for a set of seven adjacent diodes. The atomic distribution profiles of the as-grown and annealed structures were obtained by secondary ion mass spectrometry. Based on these measurements, the band structure was modeled and current–voltage trends were predicted. These diodes are compatible with transistor integration.
Description: Copyright 1999 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Applied Physics Letters and may be found at
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Date: 1999-08-30

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