Phase transition from amorphous carbon to diamond nanocrystalline induced by 40Ar+ | Zendy

Hu Jian-Gang | Zendy; Zhenxia Wang | Zendy; Yong Zhen-Zhong | Zendy; Qintao Li | Zendy; Zhu Zhi-yuan | Zendy

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Phase transition from amorphous carbon to diamond nanocrystalline induced by 40Ar+

Author(s) -

Hu Jian-Gang,

Zhenxia Wang,

Yong Zhen-Zhong,

Qintao Li,

Zhu Zhi-yuan

Publication year - 2006

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.55.6538

Subject(s) - materials science , nucleation , nanocrystalline material , crystallite , raman spectroscopy , amorphous carbon , diamond , amorphous solid , nanocrystal , transmission electron microscopy , diffraction , high resolution transmission electron microscopy , electron diffraction , phase transition , carbon fibers , nanotechnology , crystallography , condensed matter physics , optics , chemistry , composite material , physics , composite number , organic chemistry , metallurgy

Large-scale diamond nanocrystals of different sizes were synthesized by 60 keV 40Ar+ irradiation on amorphous carbon. Investigated by high-resolution transmission electron microscopy, energy diffraction X-ray spectrum, electron diffraction and Raman spectrum, the diamond crystallites embeded in graphitic film have a high nucleation density (about 1013/cm2) and can grow to large sizes even of the micrometer order. The mechanism of phase transition is discussed preliminarily.

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