Determination of hole distribution in Sr14-xCaxCu24O41 using soft x-ray absorption spectroscopy at the Cu L3 edge.

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dc.contributor.authorHuang, MJen_AU
dc.contributor.authorDeng, Gen_AU
dc.contributor.authorChin, YYen_AU
dc.contributor.authorHu, ZWen_AU
dc.contributor.authorCheng, JGen_AU
dc.contributor.authorChou, FCen_AU
dc.contributor.authorConder, Ken_AU
dc.contributor.authorZhou, JSen_AU
dc.contributor.authorPi, TWen_AU
dc.contributor.authorGoodenough, JBen_AU
dc.contributor.authorLin, HJen_AU
dc.contributor.authorChen, CTen_AU
dc.date.accessioned2013-10-25T03:52:54Zen_AU
dc.date.available2013-10-25T03:52:54Zen_AU
dc.date.issued2013-07-22en_AU
dc.date.statistics2013-10-25en_AU
dc.description.abstractThe physical properties of Sr14-xCaxCu24O41 are determined by the hole distribution between the edge-shared CuO2 chain and the corner-shared Cu2O3 two-leg ladder, but inconsistent results on the hole distribution were obtained in various experimental works in recent decades. In this work we reinvestigate the hole distribution by soft x-ray absorption spectroscopy at the Cu L-3 edge. By comparing with the pure ladder and the pure chain systems, we can unambiguously distinguish between the hole distributions in the chain and the ladder. We have found that there are 5.3 holes in the edge-shared chain and 0.7 holes in the corner-shared ladder on average for Sr14Cu24O41. Upon Ca substitution, the holes gradually transfer from the edge-shared chain to the corner-shared ladder, and there are up to 1.21 holes in the corner-shared ladder for Sr1.8Ca12.2Cu24O41. © 2013, American Physical Society.en_AU
dc.identifier.articlenumber014520en_AU
dc.identifier.citationHuang, M. J., Deng, G., Chin, Y. Y., Hu, Z. Cheng, J. G., Chou, F. C., Conder, K., Zhou, J. S., Pi, T. W., Goodenough, J. B., Lin, H. J., & Chen, C. T. (2013). Determination of hole distribution in Sr14-xCaxCu24O41 using soft x-ray absorption spectroscopy at the Cu L-3 edge. Physical Review B, 88 (1), 014520. doi:10.1103/PhysRevB.88.014520en_AU
dc.identifier.govdoc5052en_AU
dc.identifier.issn1098-0121en_AU
dc.identifier.issue1en_AU
dc.identifier.journaltitlePhysical Review Ben_AU
dc.identifier.urihttp://dx.doi.org/10.1103/PhysRevB.88.014520en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/4837en_AU
dc.identifier.volume88en_AU
dc.language.isoenen_AU
dc.publisherAmerican Physical Societyen_AU
dc.subjectHolesen_AU
dc.subjectSuperconductivityen_AU
dc.subjectCrystalsen_AU
dc.subjectAbsorptionen_AU
dc.subjectCopperen_AU
dc.subjectSpectroscopyen_AU
dc.titleDetermination of hole distribution in Sr14-xCaxCu24O41 using soft x-ray absorption spectroscopy at the Cu L3 edge.en_AU
dc.typeJournal Articleen_AU
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