Intrinsic Josephson Junctions in High Temperature Superconductors

Kleiner, R.; Wang, Huabing

doi:10.1007/978-3-030-20726-7_10

Cited by 2 publications

(1 citation statement)

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“…The high transition temperature (high-T c ) cuprate superconductors, most of which are anisotropic compounds, have layered crystal structures to form natural superconducting-blocking-superconducting trilayer sandwich structures repeatedly. [1,2] Their layered crystal structure leads to the current transport via tunneling, which is dominated by intrinsic Josephson effect (IJE). Kleiner and co-workers [3] showed the intrinsic Josephson effects in Bi 2 Sr 2 CaCu 2 O 8 (BSCCO), (Pb y Bi 1−y ) 2 Sr 2 CaCu 2 O 8 (PB-SCCO), and Tl 2 Ba 2 Ca 2 Cu 3 O 8 (Tl-2223) compounds.…”

Section: Introductionmentioning

confidence: 99%

Transport properties of Tl₂Ba₂CaCu₂O₈ microbridges on a low-angle step substrate

Zhao¹,

Tian²,

Liang³

et al. 2021

Chinese Phys. B

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Tl-based superconducting devices have been drawn much attention for their high transition temperature (T c), which allow the high temperature superconductors (HTS) devices to operate at temperature near 100 K. The realization of Tl-based devices will promote the research and application of HTS devices. In this work, we present transport properties of Tl2Ba2CaCu2O8 (Tl-2212) microbridges across a low-angle step on LaAlO3 (LAO) substrate. We experimentally demonstrate intrinsic Josephson effects (IJEs) in Tl-2212 films by tailoring the geometry, i.e., reducing the width of the microbridges. In the case of a 1 μm width microbridge, in addition to the observation of voltage branches and remarkable hysteresis on the current–voltage (I–V) characteristics, the temperature dependence of differential resistance shows a finite resistance above 60 K when the bias current is below the critical current. For comparison, the wider microbridges are also investigated, exhibiting a highly critical current but do not showing obvious IJEs.

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Section: Introductionmentioning

confidence: 99%

Transport properties of Tl₂Ba₂CaCu₂O₈ microbridges on a low-angle step substrate

Zhao¹,

Tian²,

Liang³

et al. 2021

Chinese Phys. B

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Wide-band frequency modulation of a terahertz intrinsic Josephson junction emitter of a cuprate superconductor

Miyamoto,

Kobayashi,

Kuwano

et al. 2024

Nat. Photon.

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Intrinsic Josephson Junctions in High Temperature Superconductors

Cited by 2 publications

References 300 publications

Transport properties of Tl₂Ba₂CaCu₂O₈ microbridges on a low-angle step substrate

Transport properties of Tl₂Ba₂CaCu₂O₈ microbridges on a low-angle step substrate

Wide-band frequency modulation of a terahertz intrinsic Josephson junction emitter of a cuprate superconductor

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Intrinsic Josephson Junctions in High Temperature Superconductors

Cited by 2 publications

References 300 publications

Transport properties of Tl2Ba2CaCu2O8 microbridges on a low-angle step substrate

Transport properties of Tl2Ba2CaCu2O8 microbridges on a low-angle step substrate

Wide-band frequency modulation of a terahertz intrinsic Josephson junction emitter of a cuprate superconductor

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Transport properties of Tl₂Ba₂CaCu₂O₈ microbridges on a low-angle step substrate

Transport properties of Tl₂Ba₂CaCu₂O₈ microbridges on a low-angle step substrate