najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМО10.17586/2220-8054-2026-17-3-297-303najo-1835Research ArticlePHYSICSФИЗИКАConditions for the occurrence of Josephson-type current-voltage characteristics in carbon materials at room temperature and normal pressureУсловия возникновения вольт-амперных характеристик джозефсоновского типа в углеродных материалах при комнатной температуре и нормальном давленииhttps://orcid.org/0000-0002-5207-2642ИоновА. Н.IonovA. N.

Alexander Nikolaevich Ionov.

St. Petersburg, 194021

ionov@tuch.ioffe.ruhttps://orcid.org/0000-0003-1052-4919БугровА. Н.BugrovA. N.

Alexander Nikolaevich Bugrov – Branch of Petersburg Nuclear Physics Institute named by B.P. Konstantinov of NRC “Kurchatov Institute” – Institute of Macromolecular Compounds, St. Petersburg, 199004, Russia; Department of Physical Chemistry, Saint Petersburg EU (ETU “LETI”).

St. Petersburg, 199004; St. Petersburg, 197022

bugrov.an@mail.ruIoffe InstituteRussian FederationSaint Petersburg Electrotechnical University “LETI”; NRC “Kurchatov Institute” – PNPI – IMCRussian Federation202618072026173297303Copyright © Ionov A.N., Bugrov A.N., 20262026Ионов А.Н., Бугров А.Н.Ionov A.N., Bugrov A.N.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/1835

It is shown in the paper that the interaction of highly oriented graphite flakes and graphene films with alkanes is a necessary but insufficient condition for observing the Josephson current-voltage characteristics in them, which is known to be inherent in all superconducting materials. Another key factor is the creation of a deformation field in the graphene material.

В данной работе показано, что взаимодействие хлопьев высокоориентированного пиролитического графита и графеновых пленок с алканами является необходимым, но недостаточным условием для наблюдения в них джозефсоновской вольт-амперной характеристики, которая, как известно, присуща всем сверхпроводящим материалам. Другим ключевым фактором является создание деформационного поля в материале на основе графена.

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The authors declare that there are no conflicts of interest present.