Doping-driven structural phase transition and loss of superconductivity in MxFe1−xSeδ (M=Mn, Cu)

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dc.contributor.authorHuang, TWen_AU
dc.contributor.authorChen, TKen_AU
dc.contributor.authorYeh, KWen_AU
dc.contributor.authorKe, CTen_AU
dc.contributor.authorChen, CLen_AU
dc.contributor.authorHuang, YLen_AU
dc.contributor.authorHsu, FCen_AU
dc.contributor.authorWu, MKen_AU
dc.contributor.authorWu, PMen_AU
dc.contributor.authorAvdeev, Men_AU
dc.contributor.authorStuder, AJen_AU
dc.date.accessioned2010-09-20T04:59:29Zen_AU
dc.date.available2010-09-20T04:59:29Zen_AU
dc.date.issued2010-09-02en_AU
dc.date.statistics2010-09-02en_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.identifier.articlenumber104502en_AU
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.identifier.govdoc2683en_AU
dc.identifier.issn1098-0121en_AU
dc.identifier.issue10en_AU
dc.identifier.journaltitlePhysical Review Ben_AU
dc.identifier.urihttp://dx.doi.org/10.1103/PhysRevB.82.104502en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/2523en_AU
dc.identifier.volume82en_AU
dc.language.isoenen_AU
dc.publisherAmerican Physical Societyen_AU
dc.subjectPhase transformationsen_AU
dc.subjectSuperconductivityen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectCopperen_AU
dc.subjectManganeseen_AU
dc.subjectIronen_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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