Regular and periodic peaks in device current, capacitance, and intersubband photocurrent from a multiple double-well structure

Hui Chun Liu; Jianmeng Li; Margaret Buchanan; Zbigniew R. Wasilewski; J. G. Simmons

doi:10.1117/12.175723

11 May 1994 Regular and periodic peaks in device current, capacitance, and intersubband photocurrent from a multiple double-well structure

Hui Chun Liu, Jianmeng Li, Margaret Buchanan, Zbigniew R. Wasilewski, J. G. Simmons

Author Affiliations +

Proceedings Volume 2139, Quantum Well and Superlattice Physics V; (1994) https://doi.org/10.1117/12.175723
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

Special electronic transport properties in superlattices (SLs) and quantum wells (QWs) give rise to both new physical phenomena and useful devices. Studies of carrier transport in superlattice and multiple quantum well (MQW) structures therefore have practical implications. There are different regimes for SL and MQW carrier transport. In this paper, we report on our experimental study of current-voltage (I-V), capacitance-voltage (C-V), and intersubband photocurrent vs. voltage (I_p-V) characteristics in a MQW structure having a coupled double-well period. Extremely regular periodic peaks in I-V, C-V, and I_p-V are observed in the coupled double well MQW. Hysteresis is displayed in all the measurements with respect to the voltage scan direction. A phenomenological model is used to explain the observed results.

Citation Download Citation

Hui Chun Liu, Jianmeng Li, Margaret Buchanan, Zbigniew R. Wasilewski, and J. G. Simmons "Regular and periodic peaks in device current, capacitance, and intersubband photocurrent from a multiple double-well structure", Proc. SPIE 2139, Quantum Well and Superlattice Physics V, (11 May 1994); https://doi.org/10.1117/12.175723

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