# Huge anisotropic magneto-thermal switching in high-purity polycrystalline compensated metals

https://mdr.nims.go.jp/datasets/55d59f59-ac42-4c61-a0a0-d4de2e1f72b4

## File

- [Huge anisotropic magneto-thermal switching in high-purity polycrystalline compensated metals.pdf](https://mdr.nims.go.jp/filesets/33010290-e75b-4e32-a6f6-782cff82de7b/download) ([Detail](https://mdr.nims.go.jp/filesets/33010290-e75b-4e32-a6f6-782cff82de7b.md))

## Id

55d59f59-ac42-4c61-a0a0-d4de2e1f72b4

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2025-08-17T06:43:55.970012Z

## Updated at

2025-08-18T23:30:14.924153Z

## Published at

2025-08-18T23:20:10.686455Z

## Doi

https://doi.org/10.48505/nims.5636

## First published url

https://doi.org/10.1016/j.mtelec.2025.100165

## Date published

2025-07-15

## Recorded date published

2025-9

## Resource type

journal_article

## Manuscript type

accepted_manuscript

## Collection



## Title

- title: Huge anisotropic magneto-thermal switching in high-purity polycrystalline
    compensated metals
  title_type: original
  lang: en

## Description

- description: Magneto-thermal transport is a promising physical property for thermal
    management applications. Magneto-thermal switching enables active control of heat
    flows, and a high switching ratio is desirable for improving performance. Here,
    we report on the observation of a huge magneto-thermal switching (MTS) effect
    in high-purity (5 N) Pb polycrystalline wires, where magnetic fields perpendicular
    to the heat current direction are applied at low temperatures. At T = 3 K and
    B = 0.1 T, the measured thermal conductivity (κ) of the Pb wire is about 2500
    W m-1 K-1 but is reduced to ∼150 and ∼5 W m-1 K-1 at B = 1 and 9 T, respectively.
    This strong suppression is attributed to magnetoresistance in compensated metals.
    Although the huge magnetoresistance has been studied in single crystals with field
    along the selected orbitals, our results demonstrate that a huge MTS can similarly
    be realized even in flexible polycrystalline wires. This finding highlights the
    practical potential of magneto-thermal control in low-temperature thermal management,
    including applications in space environments where temperatures are around 3 K.
  description_type: abstract
  lang: und

## Creator

- name: Poonam Rani
  role: author
- name: Yuto Watanabe
  role: author
- name: Takuma Shiga
  role: author
  orcid: https://orcid.org/0000-0002-5103-7853
- name: Yuya Sakuraba
  role: author
  orcid: https://orcid.org/0000-0003-4618-9550
- name: Hikaru Takeda
  role: author
- name: Minoru Yamashita
  role: author
  orcid: https://orcid.org/0000-0002-3616-6606
- name: Ken-ichi Uchida
  role: author
  orcid: https://orcid.org/0000-0001-7680-3051
- name: Aichi Yamashita
  role: author
- name: Yoshikazu Mizuguchi
  role: author
  orcid: https://orcid.org/0000-0002-4771-7805

## Contact agent



## Publisher

organization: Elsevier BV

## Managing organization



## Keyword

- subject: thermal transport
  schema: not_defined
- subject: magneto-thermal switching
  schema: not_defined
- subject: compensated metal
  schema: not_defined

## Rights

- identifier: https://creativecommons.org/licenses/by/4.0/

## Other identifier(s)



## Data origin

- data_origin_type: other

## Embargo



## Journal

- title: Materials Today Electronics
  issn: '27729494'
  volume: '13'
  article_number: '100165'

## Conference



## Related item



## Funding

- funder_name: 東京都立大学
- identifier: JPMJER2201
  funder_name: Japan Science and Technology Agency Strategic Basic Research Programs

## Instrument



## Instrument operator



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## Measurement method



## Specimen



## Chemical composition



## Structure for specimen



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## Process for specimen treatment



## Computational method



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## Fileset

- id: 33010290-e75b-4e32-a6f6-782cff82de7b
  filename: Huge anisotropic magneto-thermal switching in high-purity polycrystalline
    compensated metals.pdf
  content_type: application/pdf
  size: 1180767
  md5: 7eb0c4e128c0cf136de3fa9883fdd71c

## Thumbnail

fileset_id: 33010290-e75b-4e32-a6f6-782cff82de7b
filename: Huge anisotropic magneto-thermal switching in high-purity polycrystalline
  compensated metals.pdf