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Martin Lees, University of Warwick
Wednesday 13 March 2013, 11:15-12:15
Magnetic Properties of the Spin Chain Antiferromagnet Ca3Co2O6
- đ¤ Speaker: Martin Lees, University of Warwick
- đ Date & Time: Wednesday 13 March 2013, 11:15 - 12:15
- đ Venue: Mott Seminar Room, Cavendish Laboratory, Department of Physics
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Michael Sutherland
Abstract
Ca3Co2O6 is a rare example of a material where ferromagnetic 1D Ising spin chains are coupled through a much weaker antiferromagnetic exchange on a triangular lattice.
Low-temperature measurements of magnetization and specific heat, and neutron scattering studies have been used to investigate the magnetic properties of this material.
Immediately below TN, Ca3Co2O6 is shown to order with a modulated partially disordered antiferromagnetic structure. At lower temperature, Ca3Co2O6 undergoes an unusual slow magnetic order-order transition.
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