Multi-quantum-well nanowire heterostructures for wavelength-controlled lasers
DC Field | Value | Language |
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dc.contributor.author | Qian, F. | - |
dc.contributor.author | Li, Y. | - |
dc.contributor.author | Gradečak, S. | - |
dc.contributor.author | Park, H.-G. | - |
dc.contributor.author | Dong, Y. | - |
dc.contributor.author | Ding, Y. | - |
dc.contributor.author | Wang, Z.L. | - |
dc.contributor.author | Lieber, C.M. | - |
dc.date.accessioned | 2021-09-09T15:47:20Z | - |
dc.date.available | 2021-09-09T15:47:20Z | - |
dc.date.created | 2021-06-17 | - |
dc.date.issued | 2008 | - |
dc.identifier.issn | 1476-1122 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/125304 | - |
dc.description.abstract | Rational design and synthesis of nanowires with increasingly complex structures can yield enhanced and/or novel electronic and photonic functions. For example, Ge/Si core/shell nanowires have exhibited substantially higher performance as field-effect transistors and low-temperature quantum devices compared with homogeneous materials, and nano-roughened Si nanowires were recently shown to have an unusually high thermoelectric figure of merit. Here, we report the first multi-quantum-well (MQW) core/shell nanowire heterostructures based on well-defined III-nitride materials that enable lasing over a broad range of wavelengths at room temperature. Transmission electron microscopy studies show that the triangular GaN nanowire cores enable epitaxial and dislocation-free growth of highly uniform (InGaN/GaN)(n) quantum wells with n≤3, 13 and 26 and InGaN well thicknesses of 1-3nm. Optical excitation of individual MQW nanowire structures yielded lasing with InGaN quantum-well composition-dependent emission from 365 to 494nm, and threshold dependent on quantum well number, n. Our work demonstrates a new level of complexity in nanowire structures, which potentially can yield free-standing injection nanolasers. © 2008 Macmillan Publishers Limited. All rights reserved. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | Nature Publishing Group | - |
dc.subject | Field effect transistors | - |
dc.subject | Germanium | - |
dc.subject | High resolution transmission electron microscopy | - |
dc.subject | Nanowires | - |
dc.subject | Quantum well lasers | - |
dc.subject | Rational functions | - |
dc.subject | Telecommunication repeaters | - |
dc.subject | Temperature | - |
dc.subject | Transmission electron microscopy | - |
dc.subject | Core/shell nanowires | - |
dc.subject | Homogeneous materials | - |
dc.subject | InGaN quantum wells | - |
dc.subject | Multiquantum wells | - |
dc.subject | Nanowire heterostructures | - |
dc.subject | Nanowire structures | - |
dc.subject | Photonic functions | - |
dc.subject | Thermoelectric figure of merit | - |
dc.subject | Semiconductor quantum wells | - |
dc.title | Multi-quantum-well nanowire heterostructures for wavelength-controlled lasers | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Park, H.-G. | - |
dc.identifier.doi | 10.1038/nmat2253 | - |
dc.identifier.scopusid | 2-s2.0-50049110827 | - |
dc.identifier.bibliographicCitation | Nature Materials, v.7, no.9, pp.701 - 706 | - |
dc.relation.isPartOf | Nature Materials | - |
dc.citation.title | Nature Materials | - |
dc.citation.volume | 7 | - |
dc.citation.number | 9 | - |
dc.citation.startPage | 701 | - |
dc.citation.endPage | 706 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scopus | - |
dc.subject.keywordPlus | Field effect transistors | - |
dc.subject.keywordPlus | Germanium | - |
dc.subject.keywordPlus | High resolution transmission electron microscopy | - |
dc.subject.keywordPlus | Nanowires | - |
dc.subject.keywordPlus | Quantum well lasers | - |
dc.subject.keywordPlus | Rational functions | - |
dc.subject.keywordPlus | Telecommunication repeaters | - |
dc.subject.keywordPlus | Temperature | - |
dc.subject.keywordPlus | Transmission electron microscopy | - |
dc.subject.keywordPlus | Core/shell nanowires | - |
dc.subject.keywordPlus | Homogeneous materials | - |
dc.subject.keywordPlus | InGaN quantum wells | - |
dc.subject.keywordPlus | Multiquantum wells | - |
dc.subject.keywordPlus | Nanowire heterostructures | - |
dc.subject.keywordPlus | Nanowire structures | - |
dc.subject.keywordPlus | Photonic functions | - |
dc.subject.keywordPlus | Thermoelectric figure of merit | - |
dc.subject.keywordPlus | Semiconductor quantum wells | - |
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