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Emission and X-ray characteristics of vertically and random aligned carbon nanotubes

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dc.contributor.authorIlin, O. I.
dc.contributor.authorKoltunova, N. V.
dc.contributor.authorRudyk, N. N.
dc.contributor.authorSavin, V. I.
dc.contributor.authorBratsuk, A. V.
dc.contributor.authorKiselev, D. S.
dc.contributor.authorSimonov, A. A.
dc.contributor.authorTaubin, M. L.
dc.contributor.authorКиселев, Дмитрий Сергеевич
dc.contributor.authorТаубин, Михаил Львович
dc.date.accessioned2024-11-27T09:45:59Z
dc.date.available2024-11-27T09:45:59Z
dc.date.issued2020
dc.description.abstract© 2020 American Institute of Physics Inc.. All rights reserved.Carbon nanotubes (CNTs) have gained great popularity due to their unique physicochemical properties. In this work, an important advantage of CNTs is the cold emission of electrons, which occurs when only an electric field is supplied to the nanotube. The use of CNTs as electron emitters in X-ray sources provides several advantages, which allows the use of X-ray sources in the treatment of a number of oncological diseases. In this work, we compared the emission and X-ray characteristics of random and vertically aligned carbon nanotubes (VACNTs). Random CNTs were synthesized by the method of atmospheric pressure alcohol catalytic chemical vapor deposition (AP ACCVD), and VACNTs were synthesized using plasma chemical vapor deposition (PECVD). It was found that random CNTs provided an X-ray dose rate of 1.4 Gy/h at an emission current density of 4 mA/cm2and an electric field of 2.05 V/μm, while VACNTs provided 0.63 Gy/h at an emission current density of 0.2 mA/cm2and an electric field of 4.8 V/μm. The characteristics of both random CNTs and VACNTs obtained at room temperature are already acceptable for single fractions in contact therapy of some oncological diseases (for example, skin cancer).
dc.identifier.citationEmission and X-ray characteristics of vertically and random aligned carbon nanotubes / Ilin, O.I. [et al.] // AIP Conference Proceedings. - 2020. - 2250. - 10.1063/5.0013181
dc.identifier.doi10.1063/5.0013181
dc.identifier.urihttps://www.doi.org/10.1063/5.0013181
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85095134946&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000598361200003
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/22560
dc.relation.ispartofAIP Conference Proceedings
dc.titleEmission and X-ray characteristics of vertically and random aligned carbon nanotubes
dc.typeConference Paper
dspace.entity.typePublication
oaire.citation.volume2250
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