Investigation of Band Alignment for Hybrid 2D-MoS2/3D-β-Ga2O3 Heterojunctions with Nitridation

Abstract Hybrid heterojunctions based on two-dimensional (2D) and conventional three-dimensional (3D) materials provide a promising way toward nanoelectronic devices with engineered features. In this work, we investigated the band alignment of a mixed-dimensional heterojunction composed of transferr...

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Main Authors: Ya-Wei Huan, Ke Xu, Wen-Jun Liu, Hao Zhang, Dmitriy Anatolyevich Golosov, Chang-Tai Xia, Hong-Yu Yu, Xiao-Han Wu, Qing-Qing Sun, Shi-Jin Ding
Format: Article
Language:English
Published: SpringerOpen 2019-12-01
Series:Nanoscale Research Letters
Subjects:
Online Access:https://doi.org/10.1186/s11671-019-3181-x
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author Ya-Wei Huan
Ke Xu
Wen-Jun Liu
Hao Zhang
Dmitriy Anatolyevich Golosov
Chang-Tai Xia
Hong-Yu Yu
Xiao-Han Wu
Qing-Qing Sun
Shi-Jin Ding
author_facet Ya-Wei Huan
Ke Xu
Wen-Jun Liu
Hao Zhang
Dmitriy Anatolyevich Golosov
Chang-Tai Xia
Hong-Yu Yu
Xiao-Han Wu
Qing-Qing Sun
Shi-Jin Ding
author_sort Ya-Wei Huan
collection DOAJ
description Abstract Hybrid heterojunctions based on two-dimensional (2D) and conventional three-dimensional (3D) materials provide a promising way toward nanoelectronic devices with engineered features. In this work, we investigated the band alignment of a mixed-dimensional heterojunction composed of transferred MoS2 on β-Ga2O3( 2- $$ 2- $$01) with and without nitridation. The conduction and valence band offsets for unnitrided 2D-MoS2/3D-β-Ga2O3 heterojunction were determined to be respectively 0.43 ± 0.1 and 2.87 ± 0.1 eV. For the nitrided heterojunction, the conduction and valence band offsets were deduced to 0.68 ± 0.1 and 2.62 ± 0.1 eV, respectively. The modified band alignment could result from the dipole formed by charge transfer across the heterojunction interface. The effect of nitridation on the band alignments between group III oxides and transition metal dichalcogenides will supply feasible technical routes for designing their heterojunction-based electronic and optoelectronic devices.
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spelling doaj.art-0d6051b1250f4257aae35e23e5d4d0042023-09-03T03:14:15ZengSpringerOpenNanoscale Research Letters1931-75731556-276X2019-12-011411810.1186/s11671-019-3181-xInvestigation of Band Alignment for Hybrid 2D-MoS2/3D-β-Ga2O3 Heterojunctions with NitridationYa-Wei Huan0Ke Xu1Wen-Jun Liu2Hao Zhang3Dmitriy Anatolyevich Golosov4Chang-Tai Xia5Hong-Yu Yu6Xiao-Han Wu7Qing-Qing Sun8Shi-Jin Ding9State Key Laboratory of ASIC and System, School of Microelectronics, Fudan UniversityKey Laboratory of Micro and Nano Photonic Structures, Department of Optical Science and Engineering, Fudan UniversityState Key Laboratory of ASIC and System, School of Microelectronics, Fudan UniversityKey Laboratory of Micro and Nano Photonic Structures, Department of Optical Science and Engineering, Fudan UniversityBelarusian State University of Informatics and RadioelectronicsKey Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of SciencesDepartment of Electrical and Electronic Engineering, Southern University of Science and TechnologyState Key Laboratory of ASIC and System, School of Microelectronics, Fudan UniversityState Key Laboratory of ASIC and System, School of Microelectronics, Fudan UniversityState Key Laboratory of ASIC and System, School of Microelectronics, Fudan UniversityAbstract Hybrid heterojunctions based on two-dimensional (2D) and conventional three-dimensional (3D) materials provide a promising way toward nanoelectronic devices with engineered features. In this work, we investigated the band alignment of a mixed-dimensional heterojunction composed of transferred MoS2 on β-Ga2O3( 2- $$ 2- $$01) with and without nitridation. The conduction and valence band offsets for unnitrided 2D-MoS2/3D-β-Ga2O3 heterojunction were determined to be respectively 0.43 ± 0.1 and 2.87 ± 0.1 eV. For the nitrided heterojunction, the conduction and valence band offsets were deduced to 0.68 ± 0.1 and 2.62 ± 0.1 eV, respectively. The modified band alignment could result from the dipole formed by charge transfer across the heterojunction interface. The effect of nitridation on the band alignments between group III oxides and transition metal dichalcogenides will supply feasible technical routes for designing their heterojunction-based electronic and optoelectronic devices.https://doi.org/10.1186/s11671-019-3181-xNitridation treatmentBand alignmentFew-layer MoS2β-Ga2O3
spellingShingle Ya-Wei Huan
Ke Xu
Wen-Jun Liu
Hao Zhang
Dmitriy Anatolyevich Golosov
Chang-Tai Xia
Hong-Yu Yu
Xiao-Han Wu
Qing-Qing Sun
Shi-Jin Ding
Investigation of Band Alignment for Hybrid 2D-MoS2/3D-β-Ga2O3 Heterojunctions with Nitridation
Nanoscale Research Letters
Nitridation treatment
Band alignment
Few-layer MoS2
β-Ga2O3
title Investigation of Band Alignment for Hybrid 2D-MoS2/3D-β-Ga2O3 Heterojunctions with Nitridation
title_full Investigation of Band Alignment for Hybrid 2D-MoS2/3D-β-Ga2O3 Heterojunctions with Nitridation
title_fullStr Investigation of Band Alignment for Hybrid 2D-MoS2/3D-β-Ga2O3 Heterojunctions with Nitridation
title_full_unstemmed Investigation of Band Alignment for Hybrid 2D-MoS2/3D-β-Ga2O3 Heterojunctions with Nitridation
title_short Investigation of Band Alignment for Hybrid 2D-MoS2/3D-β-Ga2O3 Heterojunctions with Nitridation
title_sort investigation of band alignment for hybrid 2d mos2 3d β ga2o3 heterojunctions with nitridation
topic Nitridation treatment
Band alignment
Few-layer MoS2
β-Ga2O3
url https://doi.org/10.1186/s11671-019-3181-x
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