Abstract
The current-voltage characteristics for Bi-Sr-Ca-Cu-O bulk specimen incorporating manually carved constriction show both zero voltage pair current and quasiparticle tunnelling current. The pair current amplitude modulates with applied d.c. magnetic fields. Microwave-induced Shapiro steps are clearly seen in the I-V curves. The Josephson effects arise due to the presence of arrays of grain boundary Josephson junctions.
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Bednorz J G and Müller K A 1986Z. Phys. B64 189
Chu C W, Bechtold J, Gao L, Hor P H, Huang Z J, Meng R L, Sun Y Y, Wang Y Q and Xue Y Y 1988 Preprint
Maeda H, Tanaka Y, Fukutomi N and Asano T 1987Jpn. J. Appl. Phys. 27 L209
Meng R L, Hor P H, Sun Y Y, Huang Z J, Gao L, Xue Y Y, Wang Y Q, Bechtold J, Chu C W, Hazen R M, Prewitt C T, Angel R J, Ross N L, Finger L W and Hadidiacos C J 1988 Preprint
Tarascon J M, Mckinnon W R, Greene L H, Hull G W and Vogel E M 1987Phys. Rev. B36 226
Tomar V S, Gupta A K, Johri M, Agarwal S K, Jayaram B and Narlikar A V 1987J. Phys. C20 L1017 and references therein
Wu M K, Ashburn J R, Tong C J, Hor P H, Meng R L, Huang Z J, Wang Y O and Chu C W 1987Phys. Rev. Lett. 58 908
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Kataria, N.D., Tomar, V.S., Gupta, A.K. et al. Grain boundary Josephson effect in constricted Bi-Sr-Ca-Cu-O. Pramana - J. Phys 31, L147–L151 (1988). https://doi.org/10.1007/BF02846968
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DOI: https://doi.org/10.1007/BF02846968