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Simple and precise thermoelectric power measurement setup for different environments
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10.1063/1.3002426
/content/aip/journal/rsi/79/10/10.1063/1.3002426
http://aip.metastore.ingenta.com/content/aip/journal/rsi/79/10/10.1063/1.3002426
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic of the thermopower setup built on the cold head of a 4 K CCR (dimensions are in mm). For notations see text.

Image of FIG. 2.
FIG. 2.

Photograph of the thermopower setup built on the cold head of a 4 K CCR.

Image of FIG. 3.
FIG. 3.

Schematic of the thermopower setup built on a multifunction probe of 14T PPMS (dimensions are in mm). For notations see text.

Image of FIG. 4.
FIG. 4.

Photograph of the thermopower setup built on a multifunction probe of 14T PPMS.

Image of FIG. 5.
FIG. 5.

Thermoelectric power of platinum which is used as a standard. The data match well with the literature (Ref. 1). The precision is better than while absolute accuracy is better than .

Image of FIG. 6.
FIG. 6.

Thermoelectric power of Al doped FeSi measured in natural warm-up mode. The measurement range covers from to over the temperature range of interest.

Image of FIG. 7.
FIG. 7.

Thermoelectric power of and measured by controlling the temperature of the CCR. This demonstrates the need for measurements below liquid nitrogen temperature.

Image of FIG. 8.
FIG. 8.

Thermoelectric power of at various magnetic fields up to 140 kOe. The unprecedented precision with the simple setup even up to 140 kOe is achieved by continuous control using a thermocouple.

Image of FIG. 9.
FIG. 9.

Thermoelectric power of at 50 kOe for zero field cooled warming, field cooling, and field cooled warming. A hysteresis is observed across the first order ferromagnetic to antiferromagnetic transition.

Image of FIG. 10.
FIG. 10.

Thermoelectric power of an 8 K superconductor, , at various magnetic fields. Inset shows expanded view near . Precision of better than is demonstrated.

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/content/aip/journal/rsi/79/10/10.1063/1.3002426
2008-10-24
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Simple and precise thermoelectric power measurement setup for different environments
http://aip.metastore.ingenta.com/content/aip/journal/rsi/79/10/10.1063/1.3002426
10.1063/1.3002426
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