Observation of multi-state negative differential conductivity in periodic delta-doped superlattice

W. C. Liu; C. Y. Sun; W. S. Lour

doi:10.1049/ip-g-2.1991.0070

Observation of multi-state negative differential conductivity in periodic delta-doped superlattice

W. C. Liu, C. Y. Sun, W. S. Lour

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

A novel multistate S-shaped negative differential conductivity (NDC) δ-doped superlattice structure with long period (Z_p = 600 A) is observed and investigated. The multi-state NDC originates from a sequential sub-avalanche multiplication in the superlattice periods. Three different superlattices, i.e. one-period, three-period, and nine-period δ(n⁺)-i-δ(p⁺)-i δ-doped superlattices, were used. A different number of S-shaped NDCs are exhibited in each superlattice. An intersting hysteresis phenomenon was also apparent in the nine-period superlattice structure. It was attributed to the existence of heavy 'trapped' holes.

Original language	English
Pages (from-to)	424-426
Number of pages	3
Journal	Unknown Journal
Volume	138
Issue number	3
DOIs	https://doi.org/10.1049/ip-g-2.1991.0070
Publication status	Published - 1991

All Science Journal Classification (ASJC) codes

General Engineering

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10.1049/ip-g-2.1991.0070

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abstract = "A novel multistate S-shaped negative differential conductivity (NDC) δ-doped superlattice structure with long period (Zp = 600 A) is observed and investigated. The multi-state NDC originates from a sequential sub-avalanche multiplication in the superlattice periods. Three different superlattices, i.e. one-period, three-period, and nine-period δ(n+)-i-δ(p+)-i δ-doped superlattices, were used. A different number of S-shaped NDCs are exhibited in each superlattice. An intersting hysteresis phenomenon was also apparent in the nine-period superlattice structure. It was attributed to the existence of heavy 'trapped' holes.",

author = "Liu, {W. C.} and Sun, {C. Y.} and Lour, {W. S.}",

year = "1991",

doi = "10.1049/ip-g-2.1991.0070",

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AU - Liu, W. C.

AU - Sun, C. Y.

AU - Lour, W. S.

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N2 - A novel multistate S-shaped negative differential conductivity (NDC) δ-doped superlattice structure with long period (Zp = 600 A) is observed and investigated. The multi-state NDC originates from a sequential sub-avalanche multiplication in the superlattice periods. Three different superlattices, i.e. one-period, three-period, and nine-period δ(n+)-i-δ(p+)-i δ-doped superlattices, were used. A different number of S-shaped NDCs are exhibited in each superlattice. An intersting hysteresis phenomenon was also apparent in the nine-period superlattice structure. It was attributed to the existence of heavy 'trapped' holes.

AB - A novel multistate S-shaped negative differential conductivity (NDC) δ-doped superlattice structure with long period (Zp = 600 A) is observed and investigated. The multi-state NDC originates from a sequential sub-avalanche multiplication in the superlattice periods. Three different superlattices, i.e. one-period, three-period, and nine-period δ(n+)-i-δ(p+)-i δ-doped superlattices, were used. A different number of S-shaped NDCs are exhibited in each superlattice. An intersting hysteresis phenomenon was also apparent in the nine-period superlattice structure. It was attributed to the existence of heavy 'trapped' holes.

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JO - Unknown Journal

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Observation of multi-state negative differential conductivity in periodic delta-doped superlattice

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