Experimental validation of Villain's conjecture about magnetic ordering in quasi-1D helimagnets

F. Cinti, A. Rettori, M. G. Pini, M. Mariani, E. Micotti, A. Lascialfari, N. Papinutto, A. Amato, A. Caneschi, D. Gatteschi, M. Affronte

Research output: Contribution to journalArticlepeer-review


Low-temperature magnetic susceptibility, zero-field muon spin resonance and specific heat measurements have been performed in the quasi-one-dimensional (1D) molecular helimagnetic compound Gd (hfac)3 NITEt. The specific heat presents two anomalies at T0 = 2.19 (2) K and TN = 1.88 (2) K, while susceptibility and zero-field muon spin resonance show anomalies only at TN = 1.88 (2) K. The results suggest an experimental validation of Villain's conjecture of a two-step magnetic ordering in quasi-1D XY helimagnets: the paramagnetic phase and the helical spin solid phases are separated by a chiral spin liquid, where translational invariance is broken without violation of rotational invariance.

Original languageEnglish
Pages (from-to)1259-1261
Number of pages3
JournalJournal of Magnetism and Magnetic Materials
Issue number9-12
Publication statusPublished - May 2010


  • Chiral and helical order
  • Magnetic susceptibility measurement
  • Molecular magnet
  • Muon spin resonance
  • Phase transition
  • Specific heat measurement

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

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