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Anisotropy and inhomogeneity measurement of the transport properties of spark plasma sintered thermoelectric materials
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2013 (English)In: Thermoelectric Materials Research and Device Development for Power Conversion and Refrigeration: symposium held November 25-30, 2012, Boston, Mass, Materials Research Society, 2013, 89-95 p.Conference paper (Refereed)
Abstract [en]

We report on the development and capabilities of two new measurement systems developed at Fraunhofer-IPM. The first measurement system is based on an extension of the Van der Pauw method and is suitable for cube-shaped samples. A mapping of the electrical conductivity tensor of a Skutterudite-SPS samples produced at the Instituto de Microelectrónica de Madrid is presented. The second measurement system is a ZTmeter also developed at the Fraunhofer-IPM. It enables the simultaneous measurement of the electrical conductivity, Seebeck coefficient and thermal conductivity up to 900 K of cubes at least 5x5x5 mm 3 in size. The capacity of this measurement system for measuring the anisotropy of the transport properties of a (Bi,Sb)2Te3 SPS sample produced by KTH is demonstrated by simply rotating the samples.

Place, publisher, year, edition, pages
Materials Research Society, 2013. 89-95 p.
, Materials Research Society Symposium Proceedings, ISSN 0272-9172 ; 1490
Keyword [en]
Electrical conductivity, Electrical conductivity tensor, Inhomogeneities, Measurement system, Simultaneous measurement, Spark plasma, Thermo-Electric materials, Van der Pauw method
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-139901DOI: 10.1557/opl.2012.1670ScopusID: 2-s2.0-84888020246ISBN: 978-160511467-5OAI: diva2:687788
2012 MRS Fall Meeting; Boston, MA; United States; 25 November 2012 through 30 November 2012

QC 20140115

Available from: 2014-01-15 Created: 2014-01-15 Last updated: 2014-01-15Bibliographically approved

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Saleemi, MohsinToprak, Muhammet S.Muhammed, Mamoun
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