Self-assembled two-dimensional structure of magnetic cobalt nanocrystals | Zendy

Chengmin Shen | Zendy; Su Yi-Kun | Zendy; Yang Hai-Tao | Zendy; Yang Tian-Zhong | Zendy; Yuping Wang | Zendy; Hongjun Gao | Zendy

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Self-assembled two-dimensional structure of magnetic cobalt nanocrystals

Author(s) -

Chengmin Shen,

Su Yi-Kun,

Yang Hai-Tao,

Yang Tian-Zhong,

Yuping Wang,

Hongjun Gao

Publication year - 2003

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.52.483

Subject(s) - nanocrystal , materials science , cobalt , dispersity , valency , x ray photoelectron spectroscopy , chemical engineering , hexagonal crystal system , nanotechnology , crystallography , chemistry , polymer chemistry , metallurgy , linguistics , philosophy , engineering

Synthesis of monodisperse Cobalt nanocrystals by high temperature diol reduction methods in the presence oleic acid and triocethylphosphine stabilizers were reported.The mean size of the Co nanocrystals is about 14±19nm and a standard deviation of the diameter is less than 2%.The structure and the surface valency state of the Co nanocrystals were measured by XRD,Uv-vis,XPS and TEM.The monodisperse Cobalt nanocrystals can be assembled to form a two-dimensional hexagonal close-packed structure.

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