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Laser-controlled field effect in graphene/hexagonal boron nitride heterostructures

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dc.abstract.enThe possibility of modification of the local properties of hexagonal boron nitride (h-BN) by laser irradiation is investigated. Investigations conducted using both Raman spectroscopy and electrostatic force microscopy were performed. Laser light induced modifications are found to cause no structural changes. However, they impact the Raman spectra and local charge state of the material. They are also shown to be stable in time and during electrical grounding of the sample. A mechanism of photoionization of deep defects present in h-BN is proposed to explain the observed phenomenon. The discussed effect opens up a new method of nanostructuration of h-BN based planar heterostructures. Published by AIP Publishing.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorKlusek, Zbigniew
dc.contributor.authorStępniewski, Roman
dc.contributor.authorWysmołek, Andrzej
dc.contributor.authorStrupiński, Włodzimierz
dc.contributor.authorWłasny, Igor
dc.date.accessioned2024-01-25T04:59:43Z
dc.date.available2024-01-25T04:59:43Z
dc.date.issued2018
dc.description.financeNie dotyczy
dc.description.number23
dc.description.volume123
dc.identifier.doi10.1063/1.5027304
dc.identifier.issn0021-8979
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/110888
dc.languageeng
dc.pbn.affiliationphysical sciences
dc.relation.ispartofJournal of Applied Physics
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.titleLaser-controlled field effect in graphene/hexagonal boron nitride heterostructures
dc.typeJournalArticle
dspace.entity.typePublication