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dc.contributor.authorHuang, T-
dc.contributor.authorChen, T-
dc.contributor.authorYeh, K-
dc.contributor.authorKe, C-
dc.contributor.authorChen, CL-
dc.contributor.authorHuang, Y-
dc.contributor.authorHsu, F-
dc.contributor.authorWu, M-
dc.contributor.authorWu, PM-
dc.contributor.authorAvdeev, M-
dc.contributor.authorStuder, AJ-
dc.identifier.citationHuang, T., Chen, T., Yeh, K., Ke, C., Chen, C. L., Huang, Y., Hsu, Y., Wu, M., Wu, P. M., Avdeev, M., & Studer, A. J. (2010). Doping-driven structural phase transition and loss of superconductivity in MxFe1−xSeδ (M=Mn, Cu). Physical Review B, 82(10), 104502. doi:10.1103/PhysRevB.82.104502en_AU
dc.description.abstractIn this paper, we report the results of detailed studies on Mn and Cu substitution to Fe site of β-FeSe, namely, MnxFe1−xSe1−δ and CuxFe1−xSe1−δ (δ equals to 0.03–0.05 based on our neutron-diffraction refinements). The results show that with only 10 at. % Cu doping the compound becomes a Mott insulator. Detailed temperature-dependent structural analyses of these Mn- and Cu-substituted compounds show that the structural transition, which is associated with the changes in the building block FeSe4 tetrahedron, is essential to the occurrence of superconductivity in β-FeSe. © 2010, American Physical Societyen_AU
dc.publisherAmerican Physical Societyen_AU
dc.subjectPhase transformationsen_AU
dc.subjectNeutron diffractionen_AU
dc.titleDoping-driven structural phase transition and loss of superconductivity in MxFe1−xSeδ (M=Mn, Cu).en_AU
dc.typeJournal Articleen_AU
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