Journal ArticleDOI
Thermoelectric power and thermal conductivity in the silver-gold alloy system from 3-300°K
R. S. Crisp,J. Rungis +1 more
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In this paper, the thermal conductivity, thermoelectric power and electrical resistivity for a series of 20 annealed polycrystalline Ag-Au alloys, covering the whole 100% α-solid solution range of the system, have been measured from 3° to 300°k.Abstract:
The thermal conductivity, thermoelectric power and electrical resistivity for a series of 20 annealed polycrystalline Ag—Au alloys, covering the whole 100% α-solid solution range of the system, have been measured from 3° to 300°k. The thermoelectric power has been separated into diffusion and phonon drag components and the effect of Fe impurities has been taken into account. The attenuation of the phonon drag peak on alloying cannot be explained simply by the corresponding attenuation of the lattice component of the thermal conductivity, nor does it show the resurgence at high solute concentrations previously observed in other noble metal alloy systems.read more
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Low-Temperature Properties of Silver
David R. Smith,F. R. Fickett +1 more
TL;DR: Here a collection of properties data extracted from the cryogenic literature and, to the extent possible, selected for reliability are presented.
Journal ArticleDOI
The absolute scale of thermoelectricity
TL;DR: The absolute thermoelectric power of lead has been determined by direct measurement of its Thomson heat from 10 to 350 K as discussed by the authors, and the scale established by Christian, Jan, Pearson and Templeton (1958) is found to be in error above 20 K by as much as 0·3μV/K.
Journal ArticleDOI
Low thermal conductive Bi-2223 tapes sheathed with Ag-Au alloys
Hiroyuki Fujishiro,R. Ikebe,I. Noto,Michiaki Matsukawa,T. Sasaoka,Katsumi Nomura,Junichi Sato,S. Kuma +7 more
TL;DR: In this paper, low thermal conductive Bi-2223 superconducting tapes sheathed with Ag-Au alloy were fabricated and their thermal conductivities were measured from 12 to 260 K.
Journal ArticleDOI
Thermal and electrical properties of AgAu and AgCu alloy tapes for metal stabilizers of oxide superconductors
TL;DR: In this paper, the thermal conductivity and electrical resistivity of Bi-based oxide superconducting power current leads were investigated from 15 to 260 K. The thermal conductivities of AgAu alloy tapes decreased drastically at low temperatures with increasing Au content after the heat treatment.
Journal ArticleDOI
Investigation of the transport properties of gold point contacts
TL;DR: In this paper, the authors investigated the electrical resistance, thermal resistance and thermoelectric power of gold point contacts with well-defined surface properties in the temperature range 2-300 K. They concluded that electronic transport in microcontacts made of gold is strongly afflicted by surface layers.
References
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Journal ArticleDOI
The Scattering of Low-Frequency Lattice Waves by Static Imperfections
TL;DR: In this article, the scattering of lattice waves by static imperfections is treated by second-order perturbation theory, where the transition matrix is composed of contributions due to the mass difference of the lattice points, changes in the elastic constants of linkages between lattice point, and elastic strain.
Book ChapterDOI
Thermal Conductivity and Lattice Vibrational Modes
TL;DR: In this paper, the authors discuss thermal conductivity and lattice vibrational modes in solids, and show that the lattice component of thermal conduction is also governed by the free electrons, and the processes that provide the principal sources of thermal resistance may vary from one material to another.
Book
Experimental Techniques in Low-Temperature Physics
TL;DR: In this article, the authors have discussed the production and measurement of low temperatures, the handlng of liquified gases on the laboratory scale, the principles and some details of the design of experimental cryostats, including the problems of heat transfer and temperature control.