Tunnel characteristics of intrinsic Josephson junctions in (Bi{sub 1{minus}x}Pb{sub x}){sub 2}Sr{sub 2}CaCu{sub 2}O{sub y} single crystals
Journal Article
·
· International Journal of Modern Physics B
The authors have studied the current-voltage characteristics of intrinsic Josephson junctions in mesa-shaped Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub y} and (Bi{sub 1{minus}x}Pb{sub x}){sub 2}Sr{sub 2}CaCu{sub 2}O{sub y} single crystals as a function of x. Pronounced Josephson tunneling characteristics, which are characterized by high critical current densities and multiple quasiparticle branches with clear subgap structures, have been observed for (Bi{sub {approximately}0.8}Pb{sub {approximately}0.2}){sub 2}Sr{sub 2}CaCu{sub 2}O{sub y}. A strong correlation between the characteristics and structural modulation in this system has been found.
- Research Organization:
- Utsunomiya Univ., Tochigi (JP)
- OSTI ID:
- 20015159
- Journal Information:
- International Journal of Modern Physics B, Journal Name: International Journal of Modern Physics B Journal Issue: 29-31 Vol. 13; ISSN IJPBEV; ISSN 0217-9792
- Country of Publication:
- United States
- Language:
- English
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Conference
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Mon Dec 30 23:00:00 EST 1996
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OSTI ID:548487