Spin Freezing in La(5/3)Sr(1/3)CoO4, a layered cobalt oxide
Spin freezing is one of the most common but least understood regimes of spin ordering in magnetic materials. Unlike conventional ordering, which results in the long-range magnetic structure and appearance of elastic magnetic scattering and Bragg peaks, spin freezing results in a short-range order characteristic of a correlated glass. With the proposed experiment we will extend the temperature and energy range, towards lower energy, in which spin fluctuations of a layered cobalt oxide have been studied, a system that shows stripe-like charge order and quasi-1D antiferromagnetic short range order. This is significant for understanding the ground state of this particular system, and has implications for copper-oxide high-Tc superconductors which are isostructural materials. A single crystal of the title compound, that has been characterized with neutron scattering methods before, will be used for this study.
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EHLERS Georg; BOOTHROYD Andrew Timothy; FALUS Peter; FARAGO Bela; P. G. Freeman; GARDNER Jason S.; PRABHAKARAN Dharmalingam and STEWART John Ross. (2018). Spin Freezing in La(5/3)Sr(1/3)CoO4, a layered cobalt oxide. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.4-05-683
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