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Large thermoelectric voltage in point contacts of Ni ferromagnetic metals

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Title: Large thermoelectric voltage in point contacts of Ni ferromagnetic metals
Authors: Kondo, Kenji Browse this author →KAKEN DB
Kaiju, Hideo Browse this author →KAKEN DB
Ishibashi, Akira Browse this author →KAKEN DB
Keywords: simulation
Issue Date: 8-Mar-2011
Publisher: Cambridge University Press
Journal Title: MRS Proceedings
Volume: 1314
Start Page: mrsf10-1314-ll08-36
Publisher DOI: 10.1557/opl.2011.267
Abstract: Recently, we have proposed a spin quantum cross structure (SQCS) device toward the realization of novel spintronics devices. In this paper, we have investigated thermoelectric effects in point contacts (PCs) of Ni ferromagnetic metals using SQCS devices, theoretically and experimentally. The calculated results show that the thermoelectric voltage Vq changes from 0.48 mV to 2.12 mV with the temperature difference of PCs increasing from 10 K to 50 K. Also, the magnitude of the theoretical thermoelectric voltage agrees very well with that of the experimental result. PCs of SQCS devices with Ni electrodes can serve as spin dependent thermobatteries.
Rights: © 2011 Materials Research Society
Type: article
Appears in Collections:電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 近藤 憲治

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