Investigation of the effect of Al plasma treatment on the superconducting properties of YBa2Cu3O7-δ | Научно-инновационный портал СФУ

Investigation of the effect of Al plasma treatment on the superconducting properties of YBa2Cu3O7-δ

Тип публикации: доклад, тезисы доклада, статья из сборника материалов конференций

Конференция: International Scientific Conference on Applied Physics, Information Technologies and Engineering 2019, APITECH 2019

Год издания: 2019

Идентификатор DOI: 10.1088/1742-6596/1399/2/022031

Аннотация: The effect of the partial substitution of Cu for Al on the structural, compositional, and magnetic properties of polycrystalline compounds YBa2Cu3O7-δ was studied. All prepared samples turned out to be single-phase with a small fraction of Ba secondary phases. Substitution of more than 2% aluminum causes an increase in spurious phases. DC susceptibility measurements show that the superconducting transition temperature T C decreases. Hysteresis loops show that magnetic irreversibility decreases with increasing Al content. The critical current density J C obtained using the Bean formula does not follow the same change. Al compensates for a decrease in J C and an increase in its content near the solubility limit gives a higher J C than in an undissolved sample. © Published under licence by IOP Publishing Ltd.

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Издание

Журнал: Journal of Physics: Conference Series

Выпуск журнала: Vol. 1399, Is. 2

Номера страниц: 22031

ISSN журнала: 17426588

Издатель: Institute of Physics Publishing

Авторы

  • Ushakov A.V. (Federal Research Center Krasnoyarsk Scientific Center, Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation)
  • Karpov I.V. (Federal Research Center Krasnoyarsk Scientific Center, Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation)
  • Shaikhadinov A.A. (Siberian Federal University, Krasnoyarsk, 660041, Russian Federation)
  • Demin V.G. (Siberian Federal University, Krasnoyarsk, 660041, Russian Federation)

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