Open Access

Applied Physics Letters

, volume 112 , issue 2 , pages 22407

Interface-induced perpendicular magnetic anisotropy of Co nanoparticles on single-layer h-BN/Pt(111)

Takahiro Watanabe ^{1, 2, 3}

Yoichi YAMADA ^{1, 3}

Akihiro Koide ⁴

Shiro Entani ^{2, 3, 5}

Songtian Li ^{2, 3}

Zakhar Popov ⁵

Pavel B. Sorokin ^{3, 5, 6}

Hiroshi Naramoto ²

Masahiro SASAKI ^{1, 3}

Kenta Amemiya ⁷

Seiji Sakai ^{1, 2, 3}

Hide authors affiliations Show authors affiliations: 7 affiliations

Institute of Applied Physics, University of Tsukuba 1 , 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan |

Quantum Beam Science Research Directorate, National Institutes for Quantum and Radiological Science and Technology QST 2 , 2-4 Shirakata, Tokai, Naka, Ibaraki 319-1106, Japan |

QST Future Laboratory, National Institutes for Quantum and Radiological Science and Technology QST 3 , 2-4 Shirakata, Tokai, Naka, Ibaraki 319-1106, Japan |

⁴

Department of Materials Molecular Science, Institute for Molecular Science 4 , 38 Nishigo-Naka, Myodaiji-cho, Okazaki, Aichi 444-8585, Japan |

⁵

National University of Science and Technology MISiS 5 , 4 Leninskiy prospekt, Moscow 119049, Russia |

⁶

Technological Institute for Superhard and Novel Carbon Materials 6 , 7a Centralnaya Street, Troitsk, Moscow 108840, Russia |

⁷

Photon Factory, High Energy Accelerator Research Organization KEK, Institute of Materials Structure Science 7 , 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan |

Publication type: Journal Article

Publication date: 2018-01-08

AIP Publishing

Applied Physics Letters

scimago Q1

wos Q2

SJR: 0.896

CiteScore: 6.1

Impact factor: 3.6

ISSN: 00036951, 10773118

DOI: 10.1063/1.5010836

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Physics and Astronomy (miscellaneous)

Abstract

Ferromagnetism with perpendicular magnetic anisotropy (PMA) was observed at room temperature in cobalt nanoparticles (NPs) grown on hexagonal boron nitride (h-BN) on a Pt(111) surface. It was shown that the Co NPs have planar hexagonal shapes with a mean diameter of ∼20 nm and a mean height of ∼1.6 nm. The depth-resolved analysis of X-ray magnetic circular dichroism at the Co L2,3-edges revealed that in the ferromagnetic Co NPs, the ratio of the orbital magnetic moment to the spin magnetic moment in the out-of-plane direction becomes larger at the Co NP/h-BN interface than the ratio in bulk Co. The B and N K-edge near edge X-ray absorption fine structures showed the orbital hybridization between the π orbitals of h-BN and d orbitals of Co at the interface, as an origin of the orbital magnetic moment enhancement possibly giving rise to PMA in the Co NPs.

Found

2 citations

Sorokin Pavel

🥼 🤝

DSc in Physics and Mathematics, associate professor

200 publications, 8 259 citations, 21 reviews

h-index: 40

National University of Science & Technology (MISiS)

Institute of Microelectronics Technology and High Purity Materials of the Russian Academy of Sciences

Research interests

2D Materials

Ab initio

Computational chemistry

Condensed matter physics

Density functional theory (DFT)

Nanomaterials for biomedicine

Non-covalent Interactions

1 citation

Larionov Konstantin

🥼 🤝

PhD in Physics and Mathematics

33 publications, 323 citations

h-index: 10

National University of Science & Technology (MISiS)

1 citation

Popov Zakhar

PhD in Physics and Mathematics

111 publications, 2 323 citations, 8 reviews

h-index: 25

Emanuel Institute of Biochemical Physics of the Russian Academy of Sciences

1 citation

Permyakova Elizaveta

55 publications, 978 citations, 5 reviews

h-index: 19

National University of Science & Technology (MISiS)

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Watanabe T. et al. Interface-induced perpendicular magnetic anisotropy of Co nanoparticles on single-layer h-BN/Pt(111) // Applied Physics Letters. 2018. Vol. 112. No. 2. p. 22407.

GOST all authors (up to 50) Copy

Watanabe T., YAMADA Y., Koide A., Entani S., Li S., Popov Z., Sorokin P. B., Naramoto H., SASAKI M., Amemiya K., Sakai S. Interface-induced perpendicular magnetic anisotropy of Co nanoparticles on single-layer h-BN/Pt(111) // Applied Physics Letters. 2018. Vol. 112. No. 2. p. 22407.

RIS |

Cite this

RIS Copy

TY - JOUR

DO - 10.1063/1.5010836

UR - https://doi.org/10.1063/1.5010836

TI - Interface-induced perpendicular magnetic anisotropy of Co nanoparticles on single-layer h-BN/Pt(111)

T2 - Applied Physics Letters

AU - Watanabe, Takahiro

AU - YAMADA, Yoichi

AU - Koide, Akihiro

AU - Entani, Shiro

AU - Li, Songtian

AU - Popov, Zakhar

AU - Sorokin, Pavel B.

AU - Naramoto, Hiroshi

AU - SASAKI, Masahiro

AU - Amemiya, Kenta

AU - Sakai, Seiji

PY - 2018

DA - 2018/01/08

PB - AIP Publishing

SP - 22407

IS - 2

VL - 112

SN - 0003-6951

SN - 1077-3118

ER -

BibTex |

Cite this

BibTex (up to 50 authors) Copy

@article{2018_Watanabe,

author = {Takahiro Watanabe and Yoichi YAMADA and Akihiro Koide and Shiro Entani and Songtian Li and Zakhar Popov and Pavel B. Sorokin and Hiroshi Naramoto and Masahiro SASAKI and Kenta Amemiya and Seiji Sakai},

title = {Interface-induced perpendicular magnetic anisotropy of Co nanoparticles on single-layer h-BN/Pt(111)},

journal = {Applied Physics Letters},

year = {2018},

volume = {112},

publisher = {AIP Publishing},

month = {jan},

url = {https://doi.org/10.1063/1.5010836},

number = {2},

pages = {22407},

doi = {10.1063/1.5010836}

}

MLA

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MLA Copy

Watanabe, Takahiro, et al. “Interface-induced perpendicular magnetic anisotropy of Co nanoparticles on single-layer h-BN/Pt(111).” Applied Physics Letters, vol. 112, no. 2, Jan. 2018, p. 22407. https://doi.org/10.1063/1.5010836.

Publisher

AIP Publishing

Journal

Applied Physics Letters

scimago Q1

wos Q2

SJR

0.896

CiteScore

6.1

Impact factor

3.6

ISSN

00036951 (Print)

10773118 (Electronic)

Labs

Laboratory of Digital Materials Science

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