Low-energy collective dynamics of charge stripes in the doped nickelate La2-xSrxNiO4+delta observed with optical conductivity measurements

We have investigated charge dynamics in the static stripe ordered phase of La2-x Srx Ni O4+δ at lattice temperatures below the charge ordering transition, via optical conductivity measurements at low energies (1-10 meV). The thermally activated dynamic response of the charge stripes is found to be c...

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Bibliographic Details
Main Authors: Lloyd-Hughes, J, Prabhakaran, D, Boothroyd, A, Johnston, M
Format: Journal article
Language:English
Published: 2008