HTSC Josephson junctions and dc SQUIDs on SrTiO3 bicrystal substrates grown by floating zone method

Balbashov, A.M.; Parsegov, I.Y.; Kovev, E.K.; Vengrus, I.I.; Kupriyanov, M.Y.; Polyakov, S.N.; Snigirev, O.V.

Информация о цитировании статьи получена из Scopus, Web of Science
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.

Авторы: Balbashov A.M., Parsegov I.Y., Kovev E.K., Vengrus I.I., Kupriyanov M.Y., Polyakov S.N., Snigirev O.V.
Журнал: Journal of Low Temperature Physics
Том: 106
Номер: 3-4
Год издания: 1997
Издательство: Springer Verlag
Местоположение издательства: Germany
Первая страница: 271
Последняя страница: 276
DOI: 10.1007/BF02399625
Аннотация: A new approach to the fabrication of a SrTiO3 bicrystal substrate based on the technology of growing by floating zone method natural SrTiO3 bicrystals with misorientation angles 24 degrees and 37 degrees has been developed. Thin film YBCO Josephson junctions and dc SQUIDs on SrTiO3 bicrystal substrates were fabricated and studdied at T = 77 K. A critical current density j(c) and I(c)R(n) product for the junctions with misorientation angle alpha = 24 degrees were close to 2 x 10(4) A/cm(2) and 190 divided by 260 mu V respectively, while for alpha = 37 degrees it were found that j(c) approximate to 2 x 10(3) A/cm(2) and I(c)R(n) approximate to 90 divided by 120 mu V. The dc SQUIDs were made with typical inductances 20 divided by 80 pH, critical currents of 20 divided by 150 mu A and resulting voltage modulation 10 divided by 40 mu V. Noise measurements performed at 77 K revealed low 1/f noise with cut-off frequency about 10 H z.
Добавил в систему: Куприянов Михаил Юрьевич

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HTSC Josephson junctions and dc SQUIDs on SrTiO3 bicrystal substrates grown by floating zone methodстатья

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