Shape and Magnetic Properties of Single‐Crystalline Hematite (α‐Fe 2 O 3 ) Nanocrystals | Zendy

Cao Huaqiang | Zendy; Wang Guozhi | Zendy; Zhang Lei | Zendy; Liang Yu | Zendy; Zhang Sichun | Zendy; Zhang Xinrong | Zendy

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Shape and Magnetic Properties of Single‐Crystalline Hematite (α‐Fe 2 O 3 ) Nanocrystals

Author(s) -

Cao Huaqiang,

Wang Guozhi,

Zhang Lei,

Liang Yu,

Zhang Sichun,

Zhang Xinrong

Publication year - 2006

Publication title -

chemphyschem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.016

H-Index - 140

eISSN - 1439-7641

pISSN - 1439-4235

DOI - 10.1002/cphc.200600130

Subject(s) - hematite , nanocrystal , cube (algebra) , hydrothermal circulation , materials science , microstructure , nanotechnology , anisotropy , crystallography , nanostructure , hydrothermal synthesis , magnetic susceptibility , chemical engineering , mineralogy , chemistry , physics , optics , combinatorics , mathematics , engineering

Unusual magnetic behavior of α‐Fe 2 O 3 : Rice‐ (a) and cube‐shaped (b) single‐crystalline α‐Fe 2 O 3 nanostructures (see microstructure images) are obtained by a new hydrothermal reaction route. Different magnetic anisotropies are observed for the rice‐ and cube‐shaped α‐Fe 2 O 3 nanocrystals. This behavior offers possibilities for technological applications of α‐Fe 2 O 3 with magnetic properties tailored by shape‐controlled synthesis.

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