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Title:
THERMOELECTRIC CONVERSION ELEMENT AND THERMOELECTRIC CONVERSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/218613
Kind Code:
A1
Abstract:
This thermoelectric conversion element comprises: a first substance (Fe3Al or the like) having a stoichiometric composition that is represented by the compositional formula Fe3X and in which X is a typical element or a transition element; a second substance having an off-stoichiometric composition in which the composition ratio of Fe and X deviates from that of the first substance; a third substance (Nd0.1Fe2.9Ga or the like) in which some of the Fe sites of the first substance or some of the Fe sites of the second substance are substituted with a typical metal element or a transition element other than X; a fourth substance (Fe3Al1 - xGax or the like) having a compositional formula represented by Fe3M11 - xM2x (0 < x < 1) and in which M1 and M2 are typical elements that differ from each other; or a fifth substance (Fe2.9Pt0.1Ga0.9Ge0.1 or the like) in which some of the Fe sites of the first substance are substituted with a transition element other than X and some of the X sites are substituted with a typical metal element other than X. The first substance, the second substance, the third substance, the fourth substance, and the fifth substance exhibit an abnormal Nernst effect.

Inventors:
NAKATSUJI SATORU (JP)
SAKAI AKITO (JP)
HIGO TOMOYA (JP)
Application Number:
PCT/JP2020/018010
Publication Date:
October 29, 2020
Filing Date:
April 27, 2020
Export Citation:
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Assignee:
UNIV TOKYO (JP)
International Classes:
H01L37/04; H02N11/00
Domestic Patent References:
WO2019009308A12019-01-10
WO2016181777A12016-11-17
WO2019009308A12019-01-10
Foreign References:
JP2018078147A2018-05-17
JP2014072256A2014-04-21
Other References:
K. HAMAYA, T. MURAKAMI, S. YAMADA, K. MIBU, M. MIYAO: "Local structural ordering in low-temperature-grown epitaxial Fe3+xSil-x films on Ge(111)", PHYSICAL REVIEW B, vol. 83, 14 April 2011 (2011-04-14), pages 144411-1 - 144411-6, XP055759633, DOI: 10.1103/PhysRevB.83.144411
NATURE PHYSICS, vol. 14, 2018, pages 1119 - 1124
PHYSICAL REVIEW B, vol. 66, 2002, pages 205203
APPL. PHYS. LETT., vol. 106, 2015, pages 252405
PHYSICAL REVIEW B, vol. 90, 2014, pages 054422
See also references of EP 3961733A4
Attorney, Agent or Firm:
DORAIT IP LAW FIRM (JP)
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