Journal
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY
Volume 128, Issue 1-3, Pages 58-62Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.mseb.2005.11.024
Keywords
iron-doped SnO2; low temperature synthesis; nanostructures; magnetic properties
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Nanosized iron-doped tin oxide solid solution was prepared by mixing tin oxide get SnO(2)(.)xH(2)O with a boiling solution of iron nitrate. The XRD data of the as-prepared and annealed sample at 773 K show that the patterns are indexed to the rutile phase without any trace of an extra phase. SEM and TEM results performed on different selected area of the samples reveal a homogeneous composition of 8 at.% of Fe content and a size of about 2 nm of the particles. The particles size was found to increase slightly with temperature; about 7 nm after 24 h at 773 K. Structural and magnetic results seem to indicate that Fe3+ substitute for Sn4+ on the as-prepared sample. The system presents some weak ferromagnetic character at room temperature. (c) 2005 Elsevier B.V. All rights reserved.
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