Self-assembled Co 3 (BO 3 ) 2 /surfactant nanostructured multilayers

Xixiang Zhang*, Gang Gu, Houjin Huang, Shihe Yang, Yuwei Du

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Co 3 (BO 3 ) 2 /surfactant composites have been prepared by the controlled precipitation of aqueous cobalt cations together with surfactant. The composite shows a layered structure as determined by x-ray diffraction, in which the Co 3 (BO 3 ) 2 layers of about 6 Å in thickness are in alternation with surfactant bilayers. The temperature-dependent magnetization measured in the zero-field-cooled (ZFC) and field-cooled (FC) processes and the AC-magnetic susceptibility measured at different frequencies indicate that there is a freezing temperature at low temperature (<6 K) and the temperature is weakly frequency dependent. A clear difference between thermal remanent magnetization (TRM) and isothermal remanent magnetization (IRM) was observed at 2 K. All the experimental observations suggest that the multilayers are spinglass in nature.

Original languageEnglish (US)
Pages (from-to)3913-3921
Number of pages9
JournalJournal of Physics Condensed Matter
Issue number18
StatePublished - May 7 2001

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics


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