Reply to the "Comment on 'Intrinsic tunneling spectra of Bi_2(Sr_{2-x}La_x)CuO_6' "

Abstract

To better address the heating issue in stacks of intrinsic Josephson junctions, we directly measure temperature of the stack by using a micron-sized thermocouple which is in direct thermal- and electrical contact to the stack, exactly in the place where the bias current is injected. Our measurements have shown that the temperature of the stack can reach 200-300K at the highest bias. Thus, we confirm experimentally that the Joule self-heating is a severe problem in intrinsic-junction-spectroscopy experiments. The pseudogap features reported in our previous paper (A.Yurgens etal, PRL 90, 147005 (2003)) are indeed an artifact of Joule heating. The detailed measurements of the temperature of the stacks at different ambient temperatures T0 allow us to deduce the unique, "heating-free" I(V)-, or dI/dV(V) curves.

arXiv comment1 page, 1 figure, to be submitted to PRL as Reply Comment, more info see in cond-mat/0309131

References in corpus (5)

• Intrinsic tunneling spectra of Bi_2(Sr_{2-x}La_x)CuO_6
• Intrinsic tunneling or Joule heating?
• A system for fast time-resolved measurements of c-axis quasiparticle conductivity in intrinsic Josephson junctions of 2212-BSCCO
• Self-heating in small mesa structures
• Quasiparticle Tunnelling and Field-Dependent Critical Current in 2212-BSCCO

Cited by in corpus (13)

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• In-situ measurement of self-heating in intrinsic tunnelling spectroscopy
• Temperature dependence of the bulk energy gap in underdoped Bi-2212: Evidence for the mean-field superconducting transition
• Counterintuitive Consequence of Heating in Strongly-Driven Intrinsic-Junctions of Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$ Mesas
• Superconducting critical current of a single Cu2O4-plane in Bi2Sr2CaCu2O8+x single crystal
• A single intrinsic Josephson junction with double-sided fabrication technique
• Suppression of the superconducting energy gap in intrinsic Josephson junctions of $\mathbf{B}{\mathbf{i}}_2\mathbf{S}{\mathbf{r}}_2\mathbf{CaC}{\mathbf{u}}_2{\mathbf{O}}_{8+\delta }$ single crystals
• Pseudogap Behavior Revealed in Interlayer Tunneling in Overdoped Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+x}$
• Temperature dependence of the superconducting gap in high-Tc cuprates
• Heating-compensated constant-temperature tunneling measurements on stacks of Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+x}$ intrinsic junctions
• Superconductivity model for a spin-vortex checkerboard
• Reply to comment on "Essence of intrinsic tunnelling: Distinguishing intrinsic features from artefacts