Luminescence from beta-Irradiated graphene layers

dc.contributor.authorChruścińska, Alicja
dc.contributor.authorPrzegiętka, Krzysztof
dc.contributor.authorSzroeder, Pawel
dc.contributor.authorOczkowski, Hubert Lucjan
dc.contributor.authorRozploch, Franciszek
dc.date.accessioned2014-02-08T17:54:56Z
dc.date.available2014-02-08T17:54:56Z
dc.date.issued2006
dc.description.abstractWe found that beta-irradiated samples of crystallite graphite and multi--walled carbon nanotubes emit light during heating above room temperature. This behaviour is rather surprising for semimetals. Due to the lack of deep enough energy gap, this optical emission cannot be associated with interband transitions, as it is usually assumed in a thermally stimulated luminescence model. We suppose that the reported accumulated luminescence is the result of thermally stimulated relaxation of some kind of defects created in graphene structures by ionising radiation and therefore we offer to name it the relaxoluminescence. We anticipate the relaxoluminescence to be a starting point for developing a new spectroscopic method for nanotechnology. It can also throw a new light on the nature of defects, which are suspected of being responsible for strange magnetic effects in carbon.pl
dc.identifier.citationACTA PHYSICA POLONICA A vol. 110 (1), 2006, pp. 71-80.pl
dc.identifier.issn0587-4246
dc.identifier.issn1898-794X
dc.identifier.urihttp://repozytorium.umk.pl/handle/item/1677
dc.language.isoengpl
dc.publisherInstytut Fizyki PANpl
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Poland*
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/pl/*
dc.subjectThermoluminescencepl
dc.subjectGraphenepl
dc.subjectSurface Modification due to Beta Irradiationpl
dc.subjectLuminescencepl
dc.subjectExperimental Physicspl
dc.titleLuminescence from beta-Irradiated graphene layerspl
dc.typeinfo:eu-repo/semantics/articlepl

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