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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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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/ | ||||||||||||||||||||
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| Document Type: | Article | ||||||||||||||||||||
| Title: | Mapping and analysis of microscopic Seebeck coefficient distribution | ||||||||||||||||||||
| Authors: |
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| 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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