Recent Progress in 1D Contacts for 2D-Material-Based Devices

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dc.contributor.authorChoi, Min Supko
dc.contributor.authorAli, Nasirko
dc.contributor.authorNgo, Tien Datko
dc.contributor.authorChoi, Hyungyuko
dc.contributor.authorOh, Byungduko
dc.contributor.authorYang, Heejunko
dc.contributor.authorYoo, Won Jongko
dc.date.accessioned2022-10-08T09:00:27Z-
dc.date.available2022-10-08T09:00:27Z-
dc.date.created2022-08-31-
dc.date.issued2022-09-
dc.identifier.citationADVANCED MATERIALS, v.34, no.39-
dc.identifier.issn0935-9648-
dc.identifier.urihttp://hdl.handle.net/10203/298903-
dc.description.abstractRecent studies have intensively examined 2D materials (2DMs) as promising materials for use in future quantum devices due to their atomic thinness. However, a major limitation occurs when 2DMs are in contact with metals: a van der Waals (vdW) gap is generated at the 2DM-metal interfaces, which induces metal-induced gap states that are responsible for an uncontrollable Schottky barrier (SB), Fermi-level pinning (FLP), and high contact resistance (RC), thereby substantially lowering the electronic mobility of 2DM-based devices. Here, vdW-gap-free 1D edge contact is reviewed for use in 2D devices with substantially suppressed carrier scattering of 2DMs with hexagonal boron nitride (hBN) encapsulation. The 1D contact further enables uniform carrier transport across multilayered 2DM channels, high-density transistor integration independent of scaling, and the fabrication of double-gate transistors suitable for demonstrating unique quantum phenomena of 2DMs. The existing 1D contact methods are reviewed first. As a promising technology toward the large-scale production of 2D devices, seamless lateral contacts are reviewed in detail. The electronic, optoelectronic, and quantum devices developed via 1D contacts are subsequently discussed. Finally, the challenges regarding the reliability of 1D contacts are addressed, followed by an outlook of 1D contact methods.-
dc.languageEnglish-
dc.publisherWILEY-V C H VERLAG GMBH-
dc.titleRecent Progress in 1D Contacts for 2D-Material-Based Devices-
dc.typeArticle-
dc.identifier.wosid000846856900001-
dc.identifier.scopusid2-s2.0-85137055473-
dc.type.rimsART-
dc.citation.volume34-
dc.citation.issue39-
dc.citation.publicationnameADVANCED MATERIALS-
dc.identifier.doi10.1002/adma.202202408-
dc.contributor.localauthorYang, Heejun-
dc.contributor.nonIdAuthorChoi, Min Sup-
dc.contributor.nonIdAuthorAli, Nasir-
dc.contributor.nonIdAuthorNgo, Tien Dat-
dc.contributor.nonIdAuthorChoi, Hyungyu-
dc.contributor.nonIdAuthorOh, Byungdu-
dc.contributor.nonIdAuthorYoo, Won Jong-
dc.description.isOpenAccessN-
dc.type.journalArticleReview-
dc.subject.keywordAuthor1D edge contacts2D materialscontact resistancelateral heterostructuresquantum devices-
dc.subject.keywordPlusFIELD-EFFECT TRANSISTORSLOW-RESISTANCE CONTACTSHIGH-QUALITY GRAPHENEMONOLAYER MOS2EDGE CONTACTS2-DIMENSIONAL MATERIALSMETAL CONTACTSPHASE-TRANSITION2D MATERIALSSCHOTTKY-
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