The magnetism study of N-doped diamond | Zendy

Xueling Lin | Zendy; Fengchun Pan | Zendy

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The magnetism study of N-doped diamond

Author(s) -

Xueling Lin,

Fengchun Pan

Publication year - 2013

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.62.166102

Subject(s) - magnetism , diamond , ferromagnetism , condensed matter physics , materials science , curie temperature , vacancy defect , impurity , doping , magnetic semiconductor , coupling (piping) , physics , metallurgy , quantum mechanics

We perform the first-principles calculations to investigate the roles of C vacancy and nitrogen impurity in the magnetic properties of diamond. The coupling is ferromagnetic between the C vacancies in -2e charged state, whereas they prefer to interact antiferromagnetically in -e charged state. Substituting C with N atoms can manipulate the charge states of C vacancies and the magnetic interactions between them. Our work offers a possible route toward high Curie temperature ferromagnetism in metal-free diamond.

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