High-resolution magnetic imaging by mapping the locally induced anomalous Nernst effect using atomic force microscopy

Nico Budai; Hironari Isshiki; Ryota Uesugi; Zheng Zhu; Tomoya Higo; Satoru Nakatsuji; Yoshichika Otani

doi:10.1063/5.0136613

High-resolution magnetic imaging by mapping the locally induced anomalous Nernst effect using atomic force microscopy

Nico Budai
, Hironari Isshiki
, Ryota Uesugi
, Zheng Zhu
, Tomoya Higo
, Satoru Nakatsuji
, Yoshichika Otani

研究成果: Article › 査読

9 被引用数 (Scopus)

抄録

We report a magnetic imaging method using atomic force microscopy to measure a locally induced anomalous Nernst effect. A tip contact creates a local temperature gradient on a sample surface controlled by a neighboring Joule heating wire. We demonstrate imaging of magnetic domains in a nanowire of the ferromagnetic Weyl semimetal Co2MnGa with a spatial resolution of a sub-hundred nanometer at room temperature.

本文言語	English
論文番号	102401
ジャーナル	Applied Physics Letters
巻	122
号	10
DOI	https://doi.org/10.1063/5.0136613
出版ステータス	Published - 2023 3月 6
外部発表	はい

ASJC Scopus subject areas

物理学および天文学（その他）

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10.1063/5.0136613

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AU - Budai, Nico

AU - Isshiki, Hironari

AU - Uesugi, Ryota

AU - Zhu, Zheng

AU - Higo, Tomoya

AU - Nakatsuji, Satoru

AU - Otani, Yoshichika

PY - 2023/3/6

Y1 - 2023/3/6

N2 - We report a magnetic imaging method using atomic force microscopy to measure a locally induced anomalous Nernst effect. A tip contact creates a local temperature gradient on a sample surface controlled by a neighboring Joule heating wire. We demonstrate imaging of magnetic domains in a nanowire of the ferromagnetic Weyl semimetal Co2MnGa with a spatial resolution of a sub-hundred nanometer at room temperature.

AB - We report a magnetic imaging method using atomic force microscopy to measure a locally induced anomalous Nernst effect. A tip contact creates a local temperature gradient on a sample surface controlled by a neighboring Joule heating wire. We demonstrate imaging of magnetic domains in a nanowire of the ferromagnetic Weyl semimetal Co2MnGa with a spatial resolution of a sub-hundred nanometer at room temperature.

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UR - https://www.scopus.com/pages/publications/85149841923#tab=citedBy

U2 - 10.1063/5.0136613

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VL - 122

JO - Applied Physics Letters

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High-resolution magnetic imaging by mapping the locally induced anomalous Nernst effect using atomic force microscopy

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