JP2017084854A5 - Thermoelectric conversion device and thermoelectric conversion element - Google Patents
Thermoelectric conversion device and thermoelectric conversion element Download PDFInfo
- Publication number
- JP2017084854A5 JP2017084854A5 JP2015208510A JP2015208510A JP2017084854A5 JP 2017084854 A5 JP2017084854 A5 JP 2017084854A5 JP 2015208510 A JP2015208510 A JP 2015208510A JP 2015208510 A JP2015208510 A JP 2015208510A JP 2017084854 A5 JP2017084854 A5 JP 2017084854A5
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- thermoelectric conversion
- conversion element
- conversion device
- antiferromagnetic material
- temperature difference
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- 238000006243 chemical reaction Methods 0.000 title claims description 17
- 239000002885 antiferromagnetic material Substances 0.000 claims 5
- 230000005422 Nernst effect Effects 0.000 claims 2
- 239000000956 alloy Substances 0.000 claims 2
- 229910045601 alloy Inorganic materials 0.000 claims 2
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 claims 2
- 230000005415 magnetization Effects 0.000 claims 2
- 239000000758 substrate Substances 0.000 claims 2
- 230000002159 abnormal effect Effects 0.000 claims 1
- 230000002547 anomalous Effects 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
Description
本発明は、上記事情に鑑みてなされたものであり、温度差により電圧を発生させることができるとともに、漏れ磁場を従来よりも格段的に抑制できる熱電変換デバイス及び熱電変換素子を提供することを目的とする。 The present invention has been made in view of the above circumstances, and provides a thermoelectric conversion device and a thermoelectric conversion element that can generate a voltage due to a temperature difference and can significantly suppress a leakage magnetic field as compared with the conventional case. Objective.
Claims (6)
前記熱電変換素子には、異常ネルンスト効果により、面内の微小磁化方向と直交する方向に生じる温度差により電圧が発生する
ことを特徴とする熱電変換デバイス。 A thermoelectric conversion element made of an antiferromagnetic material having a non-collinear spin structure is provided,
In the thermoelectric conversion element, a voltage is generated due to a temperature difference generated in a direction perpendicular to the in-plane micromagnetization direction due to an abnormal Nernst effect.
ことを特徴とする請求項１に記載の熱電変換デバイス。 The thermoelectric conversion device according to claim 1, wherein the antiferromagnetic material is any one of Mn 3 Sn, Mn 3 Ge, and Mn 3 Ga.
立方晶または正方晶になり、かつＭｎおよびＮｉの化合物、
γ相のＭｎを含む立方晶合金、
Ｆｅを含む立方晶合金
の３つのうちいずれかである
ことを特徴とする請求項１に記載の熱電変換デバイス。 The antiferromagnetic material is
Cubic or tetragonal and Mn and Ni compounds,
a cubic alloy containing γ-phase Mn,
The thermoelectric conversion device according to claim 1, wherein the thermoelectric conversion device is any one of three of a cubic alloy containing Fe.
前記発電体は、
一の前記熱電変換素子の一端と、前記一の熱電変換素子と隣接した他の前記熱電変換素子の他端とが前記接続素子により電気的に直列接続されており、前記基板上に蛇行状に配置されている
ことを特徴とする請求項１〜３のいずれか１項に記載の熱電変換デバイス。 The thermoelectric conversion element having a longitudinal direction and a connecting element having a longitudinal direction are alternately provided in parallel on a substrate,
The power generator is
One end of the one thermoelectric conversion element and the other end of the other thermoelectric conversion element adjacent to the one thermoelectric conversion element are electrically connected in series by the connection element, and meanderingly on the substrate It is arrange | positioned. The thermoelectric conversion device of any one of Claims 1-3 characterized by the above-mentioned.
前記熱電変換素子と前記接続素子とでは、面内の微小磁化方向が逆向きで、温度差により生じる電圧が逆向きに生じる
ことを特徴とする請求項４に記載の熱電変換デバイス。 The connection element is made of an antiferromagnetic material having a non-collinear spin structure,
The thermoelectric conversion device according to claim 4, wherein in the thermoelectric conversion element and the connection element, in-plane minute magnetization directions are opposite to each other, and a voltage generated due to a temperature difference is generated in the opposite direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015208510A JP6611167B2 (en) | 2015-10-23 | 2015-10-23 | Thermoelectric conversion device and thermoelectric conversion element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015208510A JP6611167B2 (en) | 2015-10-23 | 2015-10-23 | Thermoelectric conversion device and thermoelectric conversion element |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2017084854A JP2017084854A (en) | 2017-05-18 |
| JP2017084854A5 true JP2017084854A5 (en) | 2019-10-03 |
| JP6611167B2 JP6611167B2 (en) | 2019-11-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| JP2015208510A Active JP6611167B2 (en) | 2015-10-23 | 2015-10-23 | Thermoelectric conversion device and thermoelectric conversion element |
Country Status (1)
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| JP (1) | JP6611167B2 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110785862B (en) * | 2017-07-03 | 2023-10-27 | 国立大学法人东京大学 | Thermoelectric conversion element and thermoelectric conversion device |
| US10256391B2 (en) * | 2017-08-25 | 2019-04-09 | International Business Machines Corporation | Thermoelectric device |
| JP6600767B1 (en) * | 2018-02-22 | 2019-10-30 | 株式会社アルバック | Method for forming magnetic film and method for manufacturing magnetic memory element |
| JP7163971B2 (en) * | 2018-12-04 | 2022-11-01 | 日本電気株式会社 | portable power supply |
| JP7205770B2 (en) * | 2019-03-18 | 2023-01-17 | 三菱マテリアル株式会社 | Composite sensor |
| CN113728447A (en) * | 2019-04-26 | 2021-11-30 | 国立大学法人东京大学 | Thermoelectric conversion element and thermoelectric conversion device |
| US20230180614A1 (en) * | 2020-04-23 | 2023-06-08 | The University Of Tokyo | Thermoelectric conversion element and thermoelectric conversion device |
| JP2022041249A (en) * | 2020-08-31 | 2022-03-11 | 国立大学法人 東京大学 | Thermoelectric element and thermoelectric device |
| JP2022188874A (en) | 2021-06-10 | 2022-12-22 | 株式会社東芝 | Magnetic head and magnetic recording device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002064228A (en) * | 2000-06-09 | 2002-02-28 | Sumitomo Special Metals Co Ltd | Bi-BASED THERMOELECTRIC CONVERSION MATERIAL AND THERMOELECTRIC TRANSDUCER |
| JP4915765B2 (en) * | 2005-07-15 | 2012-04-11 | 地方独立行政法人山口県産業技術センター | Ferromagnetic semiconductor exchange coupling film |
| JP4904452B2 (en) * | 2005-12-07 | 2012-03-28 | 独立行政法人物質・材料研究機構 | Self-forming method of environmentally resistant coating on semiconductor thermoelectric materials |
| JP2010102805A (en) * | 2008-10-27 | 2010-05-06 | Hitachi Global Storage Technologies Netherlands Bv | Tunnel junction type magneto-resistive effect head |
| JP5675767B2 (en) * | 2009-03-24 | 2015-02-25 | ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ | Printing method for producing a thermomagnetic molded body for a heat exchanger |
| JP5585314B2 (en) * | 2010-04-30 | 2014-09-10 | 国立大学法人東北大学 | Thermoelectric conversion element and thermoelectric conversion device |
| US8379350B2 (en) * | 2010-06-30 | 2013-02-19 | Tdk Corporation | CPP-type magnetoresistive element including spacer layer |
| WO2013047254A1 (en) * | 2011-09-27 | 2013-04-04 | 日本電気株式会社 | Member with thermoelectric conversion function, and method for producing same |
| JP6079995B2 (en) * | 2012-09-28 | 2017-02-15 | 国立大学法人東北大学 | Thermoelectric power generation device |
| JP2015185778A (en) * | 2014-03-26 | 2015-10-22 | 日本電気株式会社 | Thermoelectric conversion element and method for manufacturing the same |
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2015
- 2015-10-23 JP JP2015208510A patent/JP6611167B2/en active Active
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