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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2018, Volume 107, Issue 1, Pages 42–46
DOI: https://doi.org/10.7868/S0370274X18010083 (Mi jetpl5464) 		 
This article is cited in 19 scientific papers (total in 19 papers)

CONDENSED MATTER

Observation of persistent currents in finely dispersed pyrolytic graphite

M. Saad, I. F. Gilmutdinov, A. G. Kiiamov, D. A. Tayurskii, S. I. Nikitin, R. V. Yusupov

Institute of Physics, Kazan Federal University, Kazan, Russia
Full-text PDF (1161 kB) Citations (19)
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DOI: https://doi.org/10.7868/S0370274X18010083
Abstract: The trapped magnetic flux in the finely ground pyrolytic graphite sample annealed at 670 K in air has been observed. Flux trapping occurs on cooling of the sample from room temperature to 10 K in a magnetic field of 1 T. The magnitude and sign of the induced trapped moment remain unchanged when the applied magnetic field is varied within $\pm$1 T at T K. The trapped magnetic flux is manifested in the displacement of the magnetization curve relative to that of the sample cooled in zero field. Displacement magnitude gradually decreases with the temperature increase up to 350 K, not reaching zero. The set of experimental observations probably reflects the presence in the sample of a granular high-temperature superconducting phase.
Funding agency Grant number
Ministry of Education and Science of the Russian Federation 3.9779.2017/8.9
3.7704.2017/4.6
Received: 15.11.2017
English version:
Journal of Experimental and Theoretical Physics Letters, 2018, Volume 107, Issue 1, Pages 37–41
DOI: https://doi.org/10.1134/S0021364018010101
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: M. Saad, I. F. Gilmutdinov, A. G. Kiiamov, D. A. Tayurskii, S. I. Nikitin, R. V. Yusupov, “Observation of persistent currents in finely dispersed pyrolytic graphite”, Pis'ma v Zh. Èksper. Teoret. Fiz., 107:1 (2018), 42–46; JETP Letters, 107:1 (2018), 37–41
Citation in format AMSBIB
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    • This publication is cited in the following 19 articles:
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