# Anomalous enhancement of thermoelectric power factor in multiple two-dimensional electron gas system

https://mdr.nims.go.jp/datasets/84de7f6a-de15-496d-8113-a661555f0452

## File

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## Id

84de7f6a-de15-496d-8113-a661555f0452

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2024-01-17T09:20:27.909232Z

## Updated at

2024-01-19T00:24:11.850511Z

## Published at

2024-01-19T03:30:14.588829Z

## Doi



## First published url

https://doi.org/10.1038/s41467-023-44165-3

## Date published

2024-01-16

## Recorded date published



## Resource type

journal_article

## Manuscript type

vor

## Collection



## Title

- title: NA
  title_type: alternative
  lang: ja
- title: Anomalous enhancement of thermoelectric power factor in multiple two-dimensional
    electron gas system
  title_type: original
  lang: en

## Description

- description: 'Here, we pay attention to another effect caused by confining electrons
    spatially along one-dimensional direction: multiplied 2DEG effect, where multiple
    discrete subbands contribute to electrical conduction, resulting in high Seebeck
    coefficient. The power factor of multiple 2DEG in GaAs reaches the ultrahigh value
    of ~100 μWcm-1K-2 at 300 K. We evaluate the enhancement rate defined as power
    factor of 2DEG divided by that of three-dimensional bulk. The experimental enhancement
    rate relative to the theoretical one of conventional 2DEG reaches anomalously
    high (~4) in multiple 2DEG compared with those in various conventional 2DEG systems
    (~1). This proposed methodology for power factor enhancement opens the next era
    of thermoelectric research.'
  description_type: abstract
  lang: eng

## Creator

- name: Yuto Uematsu
  role: author
  orcid: https://orcid.org/0009-0001-8161-6258
- name: Takafumi Ishibe
  role: author
  orcid: https://orcid.org/0000-0002-8662-875X
- name: Takaaki Mano
  role: author
  orcid: https://orcid.org/0000-0002-6955-260X
- name: Akihiro Ohtake
  role: author
  orcid: https://orcid.org/0000-0002-3519-4613
- name: Hideki T. Miyazaki
  role: author
  orcid: https://orcid.org/0000-0003-4152-1171
- name: Takeshi Kasaya
  role: author
  orcid: https://orcid.org/0000-0002-1976-8760
- name: Yoshiaki Nakamura
  role: author
  orcid: https://orcid.org/0000-0002-5387-1630

## Contact agent



## Publisher

organization: Springer Science and Business Media LLC

## Managing organization



## Keyword

- subject: thermoelectric
  schema: not_defined
- subject: two-dimensional electron gas
  schema: not_defined
- subject: GaAs
  schema: not_defined
- subject: quantum confinement
  schema: not_defined

## Rights

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

## Other identifier(s)



## Data origin



## Embargo



## Journal

- title: Nature Communications
  issn: '20411723'
  volume: '15'
  start_page: 322
  end_page: 322

## Conference



## Related item



## Funding



## Instrument



## Instrument operator



## Instrument managing organization



## Measurement method



## Specimen



## Chemical composition



## Structure for specimen



## Structural feature for specimen



## Specific property for specimen



## Process for specimen treatment



## Computational method



## Energy level/transition state



## Software



## Custom property



## Fileset

- id: e30e4ce2-9a47-46c4-b1f0-d2904e519ba6
  filename: s41467-023-44165-3.pdf
  content_type: application/pdf
  size: 1293708
  md5: 9334fc7176fccca7de83995683b49ff2
- id: 17b4456e-9f20-4583-ab7b-57e241613496
  filename: 41467_2023_44165_MOESM1_ESM.pdf
  content_type: application/pdf
  size: 1154365
  md5: 9ae089e956a30b66f3168c33f101f325

## Thumbnail

fileset_id: e30e4ce2-9a47-46c4-b1f0-d2904e519ba6
filename: s41467-023-44165-3.pdf