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Magnetic ordering with reduced cerium moments in hole-doped CeOs2Al10

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arxiv 1311.2904 v1 pith:AAOFG5QH submitted 2013-11-12 cond-mat.str-el

Magnetic ordering with reduced cerium moments in hole-doped CeOs2Al10

D. D. Khalyavin , D. T. Adroja , A. Bhattacharyya , A. D Hillier , P. Manuel , A. M. Strydom , J. Kawabata , T. Takabatake This is my paper
classification cond-mat.str-el
keywords magneticmomentsorderingal10beenceos1ceos2al10hole-doped
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The lightly hole-doped system CeOs1.94Re0.06Al10 has been studied by muon spin relaxation and neutron diffraction measurements. A long-range antiferromagnetic ordering of the Ce-sublattice with substantially reduced value of the magnetic moment 0.18(1) \mu_B has been found below T_N = 21 K. Similar to the undoped parent compound, the magnetic ground state of CeOs1.94Re0.06Al10 preserves the anomalous direction of the ordered moments along the c-axis. The obtained result reveals the crucial difference between electron- and hole-doping effects on the magnetic ordering in CeOs2Al10. The former suppresses the anisotropic c-f hybridization and promotes localized Ce moments. On the contrary, the latter increases the hybridization and shifts the system towards delocalized non-magnetic state.

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