Uniform Magnetic Chains of Hollow Cobalt Mesospheres from One‐Pot Synthesis and Their Assembly in Solution | Zendy

Guo L. | Zendy; Liang F. | Zendy; Wen X. | Zendy; Yang S. | Zendy; He L. | Zendy; Zheng W. | Zendy; Chen C. | Zendy; Zhong Q. | Zendy

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Uniform Magnetic Chains of Hollow Cobalt Mesospheres from One‐Pot Synthesis and Their Assembly in Solution

Author(s) -

Guo L.,

Liang F.,

Wen X.,

Yang S.,

He L.,

Zheng W.,

Chen C.,

Zhong Q.

Publication year - 2007

Publication title -

advanced functional materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 6.069

H-Index - 322

eISSN - 1616-3028

pISSN - 1616-301X

DOI - 10.1002/adfm.200600415

Subject(s) - materials science , cobalt , coercivity , magnetization , magnetization reversal , saturation (graph theory) , chemical engineering , shell (structure) , nanotechnology , crystallography , condensed matter physics , composite material , magnetic anisotropy , metallurgy , magnetic field , chemistry , physics , mathematics , quantum mechanics , combinatorics , engineering

Magnetic chains up to 10 μm in length formed of hollow cobalt mesospheres (480–850 nm) with a 60 nm thick shell are synthesized by a new soft‐assembly protocol. The obtained chains show a saturation magnetization of 37.5 emu g –1 , a remnant magnetization of 1.55 emu g –1 , and a coercivity of ca. 66 Oe at 300 K. A possible mechanism for the formation of the chainlike hollow structures is proposed.

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