Multifunctional probes for high-throughput measurement of Seebeck coefficient and electrical conductivity at room temperature
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comunitat-uji-handle2:10234/7034
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Title
Multifunctional probes for high-throughput measurement of Seebeck coefficient and electrical conductivity at room temperatureDate
2014Publisher
AIP PublishingISSN
0034-6748; 1089-7623Bibliographic citation
GARCÍA-CAÑADAS, Jorge; MIN, Gao. Multifunctional probes for high-throughput measurement of Seebeck coefficient and electrical conductivity at room temperature. Review of Scientific Instruments, 2014, vol. 85, no 4, p. 043906.Type
info:eu-repo/semantics/articlePublisher version
http://aip.scitation.org/doi/abs/10.1063/1.4871553Subject
Abstract
An apparatus capable of rapid measurement of the Seebeck coefficient and electrical resistivity at
room temperature is reported. The novel aspect of this apparatus is the use of 4 multifunctional probes
that comprise ... [+]
An apparatus capable of rapid measurement of the Seebeck coefficient and electrical resistivity at
room temperature is reported. The novel aspect of this apparatus is the use of 4 multifunctional probes
that comprise a junction of two conductors at the tip and serve as both thermocouples and electrical
contacts. In addition, one of the probes has a built-in heater that can establish a temperature gradient in
the sample for the Seebeck measurement. The technique does not require special sample geometries
or preparation of contacts and is suitable for bulk and thin film materials. Together with automated
sample stage and data acquisition, the equipment is able to measure both the Seebeck coefficient and
electrical resistivity in less than 20 s with good accuracy. Less than 5% and 4% relative errors were
found for the measurement of the Seebeck coefficient and electrical resistivity, respectively. This
makes the apparatus especially useful for high throughput evaluation of thermoelectric materials. [-]
Is part of
Review of Scientific Instruments, 2014, vol. 85, núm. 4Rights
© 2014 AIP Publishing LLC.
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info:eu-repo/semantics/openAccess
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