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Giant voltages upon surface heating in normal YBa2Cu3O7−δ films suggesting an atomic layer thermopile

Lengfellner, Hans, Kremb, G., Schnellbögl, A., Betz, J., Renk, Karl Friedrich and Prettl, Wilhelm (1992) Giant voltages upon surface heating in normal YBa2Cu3O7−δ films suggesting an atomic layer thermopile. Applied Physics Letters 60 (4), pp. 501-503.

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Abstract

Experiments are reported which show that temperature gradients perpendicular to the surface of epitaxial normal conducting YBa2Cu3O7−δ films give rise to large transversal voltages between contacts on the film surface. The temperature gradients have been produced by pulsed laser irradiation and by continuous heating of the films by heater wires. To explain the large lateral voltages, an atomic layer thermopile is proposed, which may be formed by the layered structure of the material.


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Item type:Article
Date:1992
Institutions:Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Hans Lengfellner
Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Wilhelm Prettl
Identification Number:
ValueType
10.1063/1.106613DOI
Related URLs:
URLURL Type
http://link.aip.org/link/APPLAB/v60/i4/p501/s1Publisher
Classification:
NotationType
74.70.-b; 72.20.Pa; 72.40.+wPACS
Keywords:YTTRIUM OXIDES, BARIUM OXIDES, CUPRATES, QUATERNARY COMPOUNDS, HIGH−TC SUPERCONDUCTORS, THERMOELECTRIC PROPERTIES, PHOTOVOLTAIC EFFECT, PULSED IRRADIATION, LASER RADIATION, HEATING, TEMPERATURE GRADIENTS
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Unknown
Item ID:17057
Owner only: item control page

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