Double‐Walled SnO 2  Nano‐Cocoons with Movable Magnetic Cores | Zendy

Lou X. W. | Zendy; Yuan C. | Zendy; Archer L. A. | Zendy

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Double‐Walled SnO 2 Nano‐Cocoons with Movable Magnetic Cores

Author(s) -

Lou X. W.,

Yuan C.,

Archer L. A.

Publication year - 2007

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.200700357

Subject(s) - shell (structure) , materials science , hydrothermal circulation , nano , crystallite , nanotechnology , porosity , core (optical fiber) , deposition (geology) , chemical engineering , composite material , metallurgy , engineering , sediment , biology , paleontology

Double‐walled SnO 2 nano‐cocoons with movable α‐Fe 2 O 3 cores have been prepared by hydrothermal shell‐by‐shell deposition of polycrystalline SnO 2 on ellipsoidal α‐Fe 2 O 3 /SiO 2 core/shell nanotemplates followed by removal of SiO 2 . The present templating approach also leads to two other nano‐architectures, namely single‐walled and porous double‐shelled nano‐cocoons. The α‐Fe 2 O 3 cores can be reduced to magnetic Fe 3 O 4 post‐synthesis.

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