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(a) Structural arrangement of atoms in a bilayer of viewed along (111). La atoms are omitted for clarity. Note, the RHEED images are taken along [1-1 0] on (b) LAO substrate; (c) and (d) during the growths; (e) on 2LNO/2LAO film after cooling to room temperature.
XRD scan for [2LNO/2LAO] superlattice using Cu radiation.
Polarization averaged Ni XAS spectra obtained for 1LNO/1LAO and 2LNO/4LAO (111) superlattices and compared with bulk Ni(2+)O and bulk reference samples.
(a) Sheet resistance for different superlattices are plotted as a function on temperature. (b) The conductance can be fitted by activated behavior above 110 K.
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