Magnetic structure of the non-centrosymmetric heavy fermion compound CeCoGe3
The non-centrosymmetric CeCoGe3 compound exhibits interesting physical properties. It orders antiferromagnetically with three ordering temperatures TN1=21K, TN2=12K and TN3=8K. The magnetization isotherm reveals the field induced metamagnetic transitions at 2K for H // c-axis. More interestingly it exhibits pressure-induced superconductivity (SC) with TC=0.7K at 5.5GPa. It would be interesting to correlate the role of the magnetic structure to SC in the CeTX3 (T=transition metals and x=Si and Ge) family of compounds. Despite the single crystal and polycrystalline neutron diffraction studies on CeCoGe3, the uniquesolution of the magnetic structure is not known. We therefore proposehere to use the high flux single crystal diffractometer D10 to investigate the magnetic structure in detailin zero-field at 2K, 10K and 16K as well as in applied field of 5T at 2K.
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D.T. Adroja; BALAKRISHNAN Geetha; CHAPON Laurent; PAUL Donald Mckenzie and SMIDMAN Michael. (2013). Magnetic structure of the non-centrosymmetric heavy fermion compound CeCoGe3. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-41-745
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