Single-crystal EPR spectroscopy of a Co(II) single-chain magnet
Abbreviated Journal Title
EPR; Single chain magnets; Cobalt; BEHAVIOR; Chemistry, Inorganic & Nuclear; Crystallography
An electron paramagnetic resonance (EPR) study of a single crystal of Co-II-based single-chain magnets (SCM) is presented. Discrete resonant absorptions are associated to the presence of magnetic domains within the chains of finite lengths determined by a competition between intra-chain exchange interactions and thermally excited single spin fluctuations. The results are interpreted as a transition from single spin dynamics at high temperature (T similar to 20 K), associated to the Kramers doublet ground state of the individual Con ions, to archetypical SCM dynamics at low temperatures, where intra-chain correlations form long magnetic domains, whose average length is imposed by the concentration of defects in the sample. (C) 2013 Elsevier Ltd. All rights reserved.
"Single-crystal EPR spectroscopy of a Co(II) single-chain magnet" (2013). Faculty Bibliography 2010s. 3615.