Publication details for Professor Tom LancasterBlundell, S.J., Pratt, F.L., Lancaster, T., Marshall, I.M., Steer, C.A., Hayes, W., Sugano, T., Letard, J.F., Caneschi, A., Gatteschi, D. & Heath, S.L. (2003). μSR study of organic systems: ferromagnetism, antiferromagnetism, the spin-crossover effect, and fluctuations in magnetic nanodiscs. Physica B condensed matter 326(1-4): 556-562.
- Publication type: Journal Article
- ISSN/ISBN: 0921-4526
- DOI: 10.1016/S0921-4526(02)01688-5
- Keywords: Organic magnet, Nanodisc, Quantum tunneling, Molecular magnet.
- Further publication details on publisher web site
Author(s) from Durham
We present the results of recent μSR experiments on a variety of novel organic and molecular magnetic systems. Muons are sensitive to local static fields and magnetic fluctuations, but can probe much more than just the onset of long-range magnetic order. We review our work on nitronyl nitroxide organic ferromagnets and antiferromagnets. We describe a muon study of the spin-crossover phenomenon which has been studied in Fe(PM-PEA)2(NCS)2, and which shows Gaussian and root-exponential muon relaxation in the high-spin and low-spin phases, respectively. Experiments on a disc-shaped molecular complex containing Fe19 (with spin ) reveal the effects of quantum tunneling of magnetization and allow an estimate of the quantum tunneling rate.