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Theory of Valley-Density Wave and Hidden Order in Iron-Pnictides
Theory of Valley-Density Wave Iron-Pnictides
2010/11/19
In the limit of perfect nesting, the physics of iron-pnictides is governed by the density wave
formation at the zone-edge vector M. At high energies, various spin- (SDW), charge- (CDW),
orbital/pock...
Search for pressure induced superconductivity in CeFeAsO and CeFePO iron pnictides
pressure induced superconductivity CeFeAsO CeFePO iron pnictides
2010/11/18
The CeFeAsO and CeFePO iron pnictide compounds were studied via electrical transport measurements under high-pressure. In CeFeAsO polycrystals, the magnetic phases involving the Fe
and Ce ions coexis...
Evidence for electromagnetic granularity in polycrystalline Sm1111 iron-pnictides with enhanced phase purity
electromagnetic granularity enhanced phase purity
2010/11/19
We prepared polycrystalline SmFeAsO1-xFx (Sm1111) bulk samples by sintering and hot isostatic pressing (HIP) in order to study the effects of phase purity and relative density on the intergranular cur...