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Sn-based group-IV structure for resonant tunneling diodes

  • Kun Yuan Wu
  • , Bing Hung Tsai
  • , Jia Zhi Chen
  • , Guo En Chang
  • , Vladimir I. Mashanov
  • , Henry H. Cheng
  • , Greg Sun
  • , Richard A. Soref
  • National Taiwan University
  • National Chung Cheng University
  • RAS - Institute of Semiconductor Physics, Siberian Branch
  • University of Massachusetts Boston

Research output: Contribution to journalArticlepeer-review

Abstract

We report a theoretical investigation on the electrical properties of a Sn-based group-IV structure for a resonant tunneling diode (RTD). The analysis on the composition-dependent strain, energy profile, and current-voltage characteristic of a double-barrier heterostructure shows that the peak current density and peak-to-valley ratio are enhanced with a moderated tensile strain in the barrier layer, providing an alternative approach for group-IV RTDs.

Original languageEnglish
Article number6553587
Pages (from-to)951-953
Number of pages3
JournalIEEE Electron Device Letters
Volume34
Issue number8
DOIs
StatePublished - 2013

ASJC Scopus Subject Areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Keywords

  • peak current density
  • peak-to-valley ratio
  • Si-based resonant tunneling diodes (RTDs)
  • SiGeSn alloys
  • strain-free QW
  • strained QW

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