Layered copper hydroxide n-alkylsulfonate salts: Synthesis, characterization, and magnetic behaviors in relation to the basal spacing

Seong Hun Park, Cheol Eui Lee

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

A series of hybrid inorganic-organic copper(II) hydroxy n-alkylsulfonate with a triangular lattice, Cu 2(OH) 3(C nH 2n+1+SO 3) (n = 6, 8,10), are prepared by anion exchange, starting from copper hydroxy nitrate Cu 2(OH) 3NO 3. These compounds show a layered structure as determined by X-ray diffraction, with interlayer distances of 14.3-34.8 Å in alternation with interdigitated bilayer packing. Magnetic properties have been investigated by means of dc and ac measurements. All the compounds show similar metamagnet behaviors, with a Neel temperature of about 11 K. A subtle difference in the ac magnetic susceptibility among the compounds is understood by the existence of hydrogen bonding between the sulfonate headgroup and the hydroxide anion. A detailed molecular structure of the alkyl chains incorporated to the inorganic copper hydroxide layer is also discussed from the FTIR data.

Original languageEnglish
Pages (from-to)1118-1124
Number of pages7
JournalJournal of Physical Chemistry B
Volume109
Issue number3
DOIs
Publication statusPublished - 2005 Jan 27

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

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