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Issue 20, 2017
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Giant magnetic anisotropy of rare-earth adatoms and dimers adsorbed by graphene oxide

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Abstract

Nowadays, transition-metal adatoms and dimers with giant magnetic anisotropy have attracted much attention due to their potential applications in data storage, spintronics and quantum computations. Using density-functional calculations, we investigated the magnetic anisotropy of the rare-earth adatoms and dimers adsorbed by graphene oxide. Our calculations reveal that the adatoms of Tm, Er and Sm possess giant magnetic anisotropy, typically larger than 40 meV. When the dimers of (Tm,Er,Sm)–Ir are adsorbed onto graphene oxide, the magnetic anisotropy even exceeds 200 meV. The magnetic anisotropy can be tuned by the external electric field as well as the environment.

Graphical abstract: Giant magnetic anisotropy of rare-earth adatoms and dimers adsorbed by graphene oxide

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Publication details

The article was received on 14 Mar 2017, accepted on 18 Apr 2017 and first published on 20 Apr 2017


Article type: Paper
DOI: 10.1039/C7CP01641G
Citation: Phys. Chem. Chem. Phys., 2017,19, 13245-13251
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    Giant magnetic anisotropy of rare-earth adatoms and dimers adsorbed by graphene oxide

    K. Zhang, Y. Li, Y. Liu, Y. Zhu and L. Shi, Phys. Chem. Chem. Phys., 2017, 19, 13245
    DOI: 10.1039/C7CP01641G

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