Muonium states and dynamics in phosphorus and sulphur |
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Authors: | SFJ Cox SP Cottrell GA Hopkins M Kay FL Pratt |
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Institution: | (1) Electrotechnical Laboratory, Tsukuba, Ibaraki 305, Japan;(2) Department of Physics, Columbia University, New York, NY 10027, USA |
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Abstract: | Magnetic properties of single crystal Ba2Cu3O4Cl2 with Cu3O4 planes were investigated by temperature‐ and magnetic‐field‐dependent anisotropic magnetization M(T,H) and zero‐field‐μSR.
Muon spin precession was observed below as well as above T=32 K where an anomaly in M(T) appears. At this temperature the
frequency of the precession changes and the damping of it diverges. This is an evidence for a magnetic transition. We also
found the temperature dependence of the H‐linear component of M(H) shows a maximum around T=80 K, which is similar to the
behavior of low‐dimensional magnets with an antiferromagnetic interaction.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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