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Mapping and analysis of microscopic Seebeck coefficient distribution

Ni, H. L. and Zhao, Xinbing and Karpinski, Gabriele and Müller, Eckhard (2005) Mapping and analysis of microscopic Seebeck coefficient distribution. JOURNAL OF MATERIALS SCIENCE, 40 (3), pp. 605-608. Springer Science+Business Media B.V.. DOI: 10.1007/s10853-005-6296-7 ISSN 0022-2461

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Official URL: http://www.springerlink.com/(z140be45yswqaj55z4pq4n45)/app/home/contribution.asp?referrer=parent&backto=searcharticlesresults,1,1;issue,1,1;journal,2,213;linkingpublicationresults,1:100181,1;

Abstract

Understanding the local Seebeck coefficient distribution is helpful for the development of novel thermoelectric materials. Seebeck coefficient distributions of both zone melted and hot pressed samples of I-doped Bi2Te3 based alloys were measured using microscopic Seebeck coefficient mapping method. Seebeck coefficient differences up to 40–50 μV/K were found between different locations on the same sample. There is no visible relationship between the microscopic Seebeck coefficient distribution and the local surface morphology and element distributions. It is suggested that the local Seebeck coefficient variations were mainly originated from the lattice defects for the zone melted sample and also due to the grain orientation for the hot pressed sample.

Item URL in elib:https://elib.dlr.de/21428/
Document Type:Article
Title:Mapping and analysis of microscopic Seebeck coefficient distribution
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Ni, H. L.Zhejiang University, Hangzhou, PR ChinaUNSPECIFIED
Zhao, XinbingZhejiang University, Hangzhou, PR ChinaUNSPECIFIED
Karpinski, GabrieleUNSPECIFIEDUNSPECIFIED
Müller, EckhardUNSPECIFIEDUNSPECIFIED
Date:February 2005
Journal or Publication Title:JOURNAL OF MATERIALS SCIENCE
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:Yes
Volume:40
DOI :10.1007/s10853-005-6296-7
Page Range:pp. 605-608
Publisher:Springer Science+Business Media B.V.
ISSN:0022-2461
Status:Published
Keywords:thermoelectric materials, Seebeck Micro Probe, SMP, Seebeck coefficient, spatial resolution, hot probe, inhomogeneity, semiconductors, metals, bismuth telluride
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Propulsion Systems (old)
DLR - Research area:Aeronautics
DLR - Program:L ER - Engine Research
DLR - Research theme (Project):L - Virtual Engine and Validation Methods (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Research > Structural and Functional Ceramics
Deposited By: Müller, Dr.phys. Wolf Eckhard
Deposited On:23 Jan 2006
Last Modified:27 Apr 2009 04:55

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