Improved Tunneling Property of p+Si Nanomembrane/n+GaAs Heterostructures through Ultraviolet/Ozone Interface Treatment

Here, heterostructures composed of p+Si nanomembranes (NM)/n+GaAs were fabricated by ultraviolet/ozone (UV/O<sub>3</sub>, UVO) treatment, and their tunneling properties were investigated. The hydrogen (H)-terminated Si NM was bonded to the oxygen (O)-terminated GaAs substrate, leading to...

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Main Authors: Kwangeun Kim, Jaewon Jang
Format: Article
Language:English
Published: MDPI AG 2022-11-01
Series:Inorganics
Subjects:
Online Access:https://www.mdpi.com/2304-6740/10/12/228
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author Kwangeun Kim
Jaewon Jang
author_facet Kwangeun Kim
Jaewon Jang
author_sort Kwangeun Kim
collection DOAJ
description Here, heterostructures composed of p+Si nanomembranes (NM)/n+GaAs were fabricated by ultraviolet/ozone (UV/O<sub>3</sub>, UVO) treatment, and their tunneling properties were investigated. The hydrogen (H)-terminated Si NM was bonded to the oxygen (O)-terminated GaAs substrate, leading to Si/GaAs tunnel junctions (TJs). The atomic-scale features of the H-O-terminated Si/GaAs TJ were analyzed and compared to those of Si/GaAs heterojunctions with no UVO treatment. The electrical characteristics demonstrated the emergence of negative differential resistance, with an average peak-to-valley current ratio of 3.49, which was examined based on the band-to-band tunneling and thermionic emission theories.
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spelling doaj.art-93d5d18926f14076b5c0ef3f4061ac112023-11-24T15:38:05ZengMDPI AGInorganics2304-67402022-11-01101222810.3390/inorganics10120228Improved Tunneling Property of p+Si Nanomembrane/n+GaAs Heterostructures through Ultraviolet/Ozone Interface TreatmentKwangeun Kim0Jaewon Jang1School of Electronics and Information Engineering, Korea Aerospace University, Goyang 10540, Republic of KoreaSchool of Electronics Engineering, Kyungpook National University, Daegu 41566, Republic of KoreaHere, heterostructures composed of p+Si nanomembranes (NM)/n+GaAs were fabricated by ultraviolet/ozone (UV/O<sub>3</sub>, UVO) treatment, and their tunneling properties were investigated. The hydrogen (H)-terminated Si NM was bonded to the oxygen (O)-terminated GaAs substrate, leading to Si/GaAs tunnel junctions (TJs). The atomic-scale features of the H-O-terminated Si/GaAs TJ were analyzed and compared to those of Si/GaAs heterojunctions with no UVO treatment. The electrical characteristics demonstrated the emergence of negative differential resistance, with an average peak-to-valley current ratio of 3.49, which was examined based on the band-to-band tunneling and thermionic emission theories.https://www.mdpi.com/2304-6740/10/12/228inorganic semiconductorcompound semiconductornanomembraneheterostructureultraviolet/ozone treatment
spellingShingle Kwangeun Kim
Jaewon Jang
Improved Tunneling Property of p+Si Nanomembrane/n+GaAs Heterostructures through Ultraviolet/Ozone Interface Treatment
Inorganics
inorganic semiconductor
compound semiconductor
nanomembrane
heterostructure
ultraviolet/ozone treatment
title Improved Tunneling Property of p+Si Nanomembrane/n+GaAs Heterostructures through Ultraviolet/Ozone Interface Treatment
title_full Improved Tunneling Property of p+Si Nanomembrane/n+GaAs Heterostructures through Ultraviolet/Ozone Interface Treatment
title_fullStr Improved Tunneling Property of p+Si Nanomembrane/n+GaAs Heterostructures through Ultraviolet/Ozone Interface Treatment
title_full_unstemmed Improved Tunneling Property of p+Si Nanomembrane/n+GaAs Heterostructures through Ultraviolet/Ozone Interface Treatment
title_short Improved Tunneling Property of p+Si Nanomembrane/n+GaAs Heterostructures through Ultraviolet/Ozone Interface Treatment
title_sort improved tunneling property of p si nanomembrane n gaas heterostructures through ultraviolet ozone interface treatment
topic inorganic semiconductor
compound semiconductor
nanomembrane
heterostructure
ultraviolet/ozone treatment
url https://www.mdpi.com/2304-6740/10/12/228
work_keys_str_mv AT kwangeunkim improvedtunnelingpropertyofpsinanomembranengaasheterostructuresthroughultravioletozoneinterfacetreatment
AT jaewonjang improvedtunnelingpropertyofpsinanomembranengaasheterostructuresthroughultravioletozoneinterfacetreatment