Capacitance-Voltage measurement of SiO2/GeOxNy gate stack on surface passivated germanium

Research output: Chapter in Book/Report/Conference proceedingsChapterpeer-review

Abstract

Germanium (Ge) based MOS transistors is possible alternative to silicon based MOS transistors due to high mobility of carriers in Ge. Extensive research is going on for fabrication of high mobility MOS devices worldwide. Here, we have studied the c-v characteristics of Ge based surface passivated MOS structure such as dielectric constant of gate stack, effective oxide charges, density of interface charges at semiconductor oxide interface etc. The interface trap density extracted from the C-V/G-V measurement showed the lowest interface trap density of 7.82×1011cm2eV-1. The minimum leakage current density for SiO2/GexONy gate dielectric stack is 1.35×10-7Acm-2 at gate bias of 1V.

Original languageEnglish
Title of host publicationPhysics of Semiconductor Devices - 17th International Workshop on the Physics of Semiconductor Devices, 2013
EditorsV.K. Jain, Abhishek Verma
PublisherSpringer Science and Business Media Deutschland GmbH
Pages5-8
Number of pages4
ISBN (Print)9783319030012
DOIs
Publication statusPublished - 2014
Externally publishedYes
Event17th International Workshop on the Physics of Semiconductor Devices, IWPSD 2013 - Noida, India
Duration: 10 Dec 201314 Dec 2013

Publication series

NameEnvironmental Science and Engineering
ISSN (Print)1863-5520
ISSN (Electronic)1863-5539

Conference

Conference17th International Workshop on the Physics of Semiconductor Devices, IWPSD 2013
Country/TerritoryIndia
CityNoida
Period10/12/1314/12/13

Keywords

  • Dit
  • Germanium
  • Passivation
  • SiO2
  • Sputtering

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