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We present an experimental study of the diffusive transport in a normal metal near a superconducting interface, showing the re-entrance of the metallic conductance at very low temperature. This new mesoscopic regime comes in when the…

Condensed Matter · Physics 2009-10-28 P. Charlat , H. Courtois , Ph. Gandit , D. Mailly , A. F. Volkov , B. Pannetier

A theory of local temperature measurement of an interacting quantum electron system far from equilibrium via a floating thermoelectric probe is developed. It is shown that the local temperature so defined is consistent with the zeroth,…

Mesoscale and Nanoscale Physics · Physics 2016-06-08 Charles A. Stafford

The temperature of the working environment is a key factor in determining the properties of semiconductor detectors, and it affects the absolute accuracy and stability of the standard detector. In order to determine the temperature…

Instrumentation and Detectors · Physics 2016-11-22 Si-Ming Guo , Jin-Jie Wu , Jian Zhang , Xu-Fang Li , Cong-Zhan Liu , Shuai Zhang , Cheng-Ze Li , Bin-Bin Huo , Zhen-Yu Liao

A theory has been developed to explain the anomalous behavior of the magnetic susceptibility of a normal metal-superconductor ($NS$) structure in weak magnetic fields at millikelvin temperatures. The effect was discovered experimentally by…

Superconductivity · Physics 2015-06-25 G. A. Gogadze

The thermal Casimir effect, arising from fluctuating electromagnetic fields of thermally agitated charges, induces thermosensitive forces and presents a novel approach to detecting nanoscale hot electrons, elusive yet ubiquitous in modern…

Mesoscale and Nanoscale Physics · Physics 2026-03-02 Weikang Lu , Ziyi Xu , Hewan Zhang , Svend Age Biehs , Achim Kittel , Ludi Qin , Xue Gong , Huanyi Xue , Yanru Song , Zhengyang Zhong , Shiyou Chen , Kun Ding , Wei Lu , Zhenghua An

We study the influence of superconducting correlations on the electronic specific heat in a diffusive superconductor-normal metal-superconductor Josephson junction. We present a description of this system in the framework of the…

Mesoscale and Nanoscale Physics · Physics 2008-07-15 H. Rabani , F. Taddei , O. Bourgeois , R. Fazio , F. Giazotto

We report on experimental results for the conductance of metallic single-electron transistors as a function of temperature, gate voltage and dimensionless conductance. In contrast to previous experiments our transistor layout allows for a…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 C. Wallisser , B. Limbach , P. vom Stein , R. Schaefer , C. Theis , G. Goeppert , H. Grabert

Transition Edge Sensors are ultra-sensitive superconducting detectors with applications in many areas of research, including astrophysics. The device consists of a superconducting thin film, often with additional normal metal features, held…

Instrumentation and Methods for Astrophysics · Physics 2018-05-18 R. C. Harwin , D. J. Goldie , S. Withington , P. Khosropanah , L. Gottardi , J. -R. Gao

We describe a simple AC susceptometer built in-house that can be used to make high-resolution measurements of the magnetic susceptibility of high-temperature superconductors in an undergraduate physics lab. Our system, cooled using liquid…

Physics Education · Physics 2021-12-24 Zhongda Huang , Yihang Tong , Jake S. Bobowski

The parallel magnetic field tuned two-dimensional superconductor-insulator transition has been investigated in ultrathin films of amorphous Bi. The resistance is found to be independent of temperature on both sides of the transition below…

Superconductivity · Physics 2009-11-11 Kevin A. Parendo , K. H. Sarwa B. Tan , A. M. Goldman

The superconducting proximity effect on two-dimensional massless Dirac electrons is usually analyzed using a simple model consisting of the Dirac Hamiltonian and an energy-independent pair potential. Although this conventional model is…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 Yositake Takane , Ryo Ando

Heat is a familiar form of energy transported from a hot side to a colder side of an object, but not a notion associated with microscopic measurements of electronic properties. A temperature difference within a material causes charge…

We make an estimate of the possible range of $\Delta T_c$ induced by high-pressure effects in post-metallic superconductors by using the theory of {\it extended irreversible/reversible thermodynamics} and Pippard's length scale. The…

Soft Condensed Matter · Physics 2007-05-23 A. Kwang-Hua Chu

We consider mesoscopic thermal transport between two bulk dielectrics joined by a narrow wire or weak mechanical link. In the ``tunneling'' regime where the phonon transmission probability through the link is small and the thermal…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Michael R. Geller , Kelly R. Patton

We developed a new type of AC microcalorimeter based on a modulated-bath technique for measuring the specific heat of small microgram samples in the temperature range from 30-300 K, and tested it in magnetic fields up to 14 T. The device is…

Other Condensed Matter · Physics 2015-06-25 Rolf Lortz , Satoko Abe , Yuxing Wang , Frederic Bouquet , Ulrich Tutsch , Alain Junod

An experimental setup for determining the electrical resistivity of several types of thermoelectric materials over the temperature range 20 < T < 550 C is described in detail. One resistivity measurement during temperature cycling is also…

Materials Science · Physics 2012-12-05 K. C. Lukas , W. S. Liu , Q. Jie , Z. F. Ren , C. P. Opeil

A dc voltage changed periodically with magnetic field is observed on segments of asymmetric aluminum loop without any external dc current at temperatures corresponded to superconducting transition. According to this experimental result a…

Superconductivity · Physics 2011-12-30 S. V. Dubonos , V. I. Kuznetsov , A. V. Nikulov

Whether diffuse mismatch model for electrons (DMMe) hold true in more general cases remains largely unexplored, especially in cases where at least one material does not behave like a free-electron metal and/or the interface is smooth enough…

Materials Science · Physics 2023-11-21 Dian Li , Joseph Feser

We report simultaneous hydrostatic pressure studies on the critical temperature $T_c$ and on the pseudogap temperature $T^*$ performed through resistivity measurements on an optimally doped high-$T_c$ oxide…

Resistance thermometry provides a time-tested method for taking temperature measurements. However, fundamental limits to resistance-based approaches has produced considerable interest in developing photonic temperature sensors to leverage…

Optics · Physics 2015-08-06 Haitan Xu , Mohammad Hafezi , J. Fan , J. M. Taylor , G. F. Strouse , Zeeshan Ahmed