Abstract
The antiferromagnetic (AF) compound BaCu2Si2O7is studied by magnetic susceptibility and neutron-scattering techniques. The observed behavior is dominated by the presence of loosely coupled S=1/2 chains with the intrachain AF exchange constant J≈ 24.1 meV. Long-range Néel ordering is observed below TN=9.2 K. The results are discussed within the framework of the mean-field RPA model for weakly interacting quantum spin chains.
Original language | English (US) |
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Pages (from-to) | 6601-6607 |
Number of pages | 7 |
Journal | Physical Review B - Condensed Matter and Materials Physics |
Volume | 60 |
Issue number | 9 |
DOIs | |
State | Published - 1999 |
Externally published | Yes |
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics