Magnetic properties of nanocrystalline LiFe5O8 particles

Hua Yang, Fengqing Wu, Lizhu Song, Muyu Zhao, Jianping Wang, Helie Luo

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Nanocrystalline LiFe5O8 particles of several nanometers in size have been prepared by the PEG gel method, their particle structure, morphology and magnetic properties were examined by XRD, TEM and VSM. It was found that σsbulk decreases with decreasing particle size, where σs is the saturation magnetization. The surface effect is probably the dominant effect in the decrease of σs. The Curie temperature of LiFe5O8 (9.1 nm in diameter) decreased to 580°C which is lower than that of bulk LiFe5O8 (620°C).

Original languageEnglish (US)
Pages (from-to)134-136
Number of pages3
JournalJournal of Magnetism and Magnetic Materials
Volume134
Issue number1
DOIs
StatePublished - May 2 1994

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