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Effect of crystal structure on the Young's modulus of GaP nanowires

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dc.contributor.authorAlekseev, Prokhor
dc.contributor.authorGeydt, P.
dc.contributor.authorKhayrudinov, Vladislav
dc.contributor.authorBespalova, Kristina
dc.contributor.authorBorodin, Bogdan R
dc.contributor.authorKirilenko, Demid A
dc.contributor.authorReznik, Rodion R
dc.contributor.authorNashchekin, Alexey V
dc.contributor.authorHaggren, Tuomas
dc.contributor.authorLähderanta, E.
dc.contributor.authorCirlin, George E
dc.contributor.authorLipsanen, Harri
dc.contributor.authorDunaevskiy, M.S.
dc.date.accessioned2023-08-07T00:30:14Z
dc.date.issued2021
dc.date.updated2022-07-17T08:15:56Z
dc.description.abstractYoung's modulus of tapered mixed composition (zinc-blende with a high density of twins and wurtzite with a high density of stacking faults) gallium phosphide (GaP) nanowires (NWs) was investigated by atomic force microscopy. Experimental measurements were performed by obtaining bending profiles of as-grown inclined GaP NWs deformed by applying a constant force to a series of NW surface locations at various distances from the NW/substrate interface. Numerical modeling of experimental data on bending profiles was done by applying Euler-Bernoulli beam theory. Measurements of the nano-local stiffness at different distances from the NW/substrate interface revealed NWs with a non-ideal mechanical fixation at the NW/substrate interface. Analysis of the NWs with ideally fixed base resulted in experimentally measured Young's modulus of 155 20 GPa for ZB NWs, and 157 20 GPa for WZ NWs, respectively, which are in consistence with a theoretically predicted bulk value of 167 GPa. Thus, impacts of the crystal structure (WZ/ZB) and crystal defects on Young's modulus of GaP NWs were found to be negligible.en_AU
dc.description.sponsorshipThis work is supported by Presidential Grant МK-1543.2020.2. VK acknowledges the support of Aalto University Doctoral School, Walter Ahlström Foundation, Elektroniikkainsinöörien Säätiö and Nokia Foundation. VK acknowledges the provision of facilities and technical support by Aalto University at Micronova Nanofabrication Centre. MBE growth of GaP NWs was supported by the Russian Science Foundation (Grant 19-72-30 004). SEM and TEM studies were performed using equipment of the Federal Joint Research Center 'Material science and characterization in advanced technology' supported by the Ministry of Science and Higher Education of the Russian Federation (id RFMEFI62119X0021).en_AU
dc.format.mimetypeapplication/pdfen_AU
dc.identifier.issn0957-4484en_AU
dc.identifier.urihttp://hdl.handle.net/1885/294829
dc.language.isoen_AUen_AU
dc.publisherInstitute of Physics Publishingen_AU
dc.rights© 2021 The authorsen_AU
dc.sourceNanotechnologyen_AU
dc.subjectGaPen_AU
dc.subjectnanowireen_AU
dc.subjectatomic force microscopyen_AU
dc.subjectWZ/ZBen_AU
dc.subjectYoung’s modulusen_AU
dc.subjectbendingen_AU
dc.titleEffect of crystal structure on the Young's modulus of GaP nanowiresen_AU
dc.typeJournal articleen_AU
local.bibliographicCitation.issue38en_AU
local.contributor.affiliationAlekseev, Prokhor, Ioffe Instituteen_AU
local.contributor.affiliationGeydt, P., Lappeenranta University of Technologyen_AU
local.contributor.affiliationKhayrudinov, Vladislav, Aalto Universityen_AU
local.contributor.affiliationBespalova, Kristina , Aalto Universityen_AU
local.contributor.affiliationBorodin, Bogdan R , Ioffe Instituteen_AU
local.contributor.affiliationKirilenko, Demid A , Ioffe Instituteen_AU
local.contributor.affiliationReznik, Rodion R, St. Petersburg State Universityen_AU
local.contributor.affiliationNashchekin, Alexey V, Ioffe Instituteen_AU
local.contributor.affiliationHaggren, Tuomas, College of Science, ANUen_AU
local.contributor.affiliationLähderanta, E., Lappeenranta University of Technologyen_AU
local.contributor.affiliationCirlin, George E, St. Petersburg State Universityen_AU
local.contributor.affiliationLipsanen, Harri, Aalto Universityen_AU
local.contributor.affiliationDunaevskiy, M.S., Ioffe Physical Technical Instituteen_AU
local.contributor.authoruidHaggren, Tuomas, u1062797en_AU
local.description.embargo2099-12-31
local.description.notesImported from ARIESen_AU
local.identifier.absfor401805 - Nanofabrication, growth and self assemblyen_AU
local.identifier.absfor401807 - Nanomaterialsen_AU
local.identifier.absfor400910 - Photovoltaic devices (solar cells)en_AU
local.identifier.absseo280120 - Expanding knowledge in the physical sciencesen_AU
local.identifier.ariespublicationu4421513xPUB569en_AU
local.identifier.citationvolume32en_AU
local.identifier.doi10.1088/1361-6528/ac0ac7en_AU
local.identifier.scopusID2-s2.0-85109974421
local.publisher.urlhttps://iopscience.iop.org/en_AU
local.type.statusPublished Versionen_AU

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