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Ni, H. L. und Zhao, Xinbing und Karpinski, Gabriele und Müller, Eckhard (2005) Mapping and analysis of microscopic Seebeck coefficient distribution. JOURNAL OF MATERIALS SCIENCE, 40 (3), Seiten 605-608. Springer Science+Business Media B.V.. doi: 10.1007/s10853-005-6296-7.
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Kurzfassung
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.
| elib-URL des Eintrags: | https://elib.dlr.de/21428/ | ||||||||||||||||||||
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| Dokumentart: | Zeitschriftenbeitrag | ||||||||||||||||||||
| Titel: | Mapping and analysis of microscopic Seebeck coefficient distribution | ||||||||||||||||||||
| Autoren: |
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| Datum: | Februar 2005 | ||||||||||||||||||||
| Erschienen in: | JOURNAL OF MATERIALS SCIENCE | ||||||||||||||||||||
| Referierte Publikation: | Ja | ||||||||||||||||||||
| Open Access: | Nein | ||||||||||||||||||||
| Gold Open Access: | Nein | ||||||||||||||||||||
| In SCOPUS: | Nein | ||||||||||||||||||||
| In ISI Web of Science: | Ja | ||||||||||||||||||||
| Band: | 40 | ||||||||||||||||||||
| DOI: | 10.1007/s10853-005-6296-7 | ||||||||||||||||||||
| Seitenbereich: | Seiten 605-608 | ||||||||||||||||||||
| Verlag: | Springer Science+Business Media B.V. | ||||||||||||||||||||
| Status: | veröffentlicht | ||||||||||||||||||||
| Stichwörter: | thermoelectric materials, Seebeck Micro Probe, SMP, Seebeck coefficient, spatial resolution, hot probe, inhomogeneity, semiconductors, metals, bismuth telluride | ||||||||||||||||||||
| HGF - Forschungsbereich: | Luftfahrt, Raumfahrt und Verkehr | ||||||||||||||||||||
| HGF - Programm: | Luftfahrt | ||||||||||||||||||||
| HGF - Programmthema: | Antriebe (alt) | ||||||||||||||||||||
| DLR - Schwerpunkt: | Luftfahrt | ||||||||||||||||||||
| DLR - Forschungsgebiet: | L ER - Antriebsforschung | ||||||||||||||||||||
| DLR - Teilgebiet (Projekt, Vorhaben): | L - Virtuelles Triebwerk und Validierungsmethoden (alt) | ||||||||||||||||||||
| Standort: | Köln-Porz | ||||||||||||||||||||
| Institute & Einrichtungen: | Institut für Werkstoff-Forschung > Keramische Struktur- und Funktionswerkstoffe | ||||||||||||||||||||
| Hinterlegt von: | Müller, Dr.phys. Wolf Eckhard | ||||||||||||||||||||
| Hinterlegt am: | 23 Jan 2006 | ||||||||||||||||||||
| Letzte Änderung: | 24 Apr 2024 19:03 |
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