&lt;title&gt;Scanning probe microscopy of nanocrystalline iridium oxide thin films&lt;/title&gt;

Pailharey, D.; Tonneau, D.; Houel, A.; Kuzmin, Alexei; Kalendarev, R.; Purans, J.

doi:10.1117/12.517031

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“…This result agrees well with our findings by EXAFS and XRD. Besides, taking into account our scanning probe microscopy studies [14], we can conclude that several crystallites form grains with a size of about 20-50 nm.…”

Section: Resultsmentioning

confidence: 96%

“…Detailed analysis of the Jr L3-edge EXAFS and 0 K-edge XANES signals shows that the structure of crystallites is close to that in crystalline 1r02, but is relaxed already within the first coordination shell of iridium atoms. Our complementary investigations by scanning probe microscopy [14] suggest that these small crystallites form nanosized grains.…”

Section: Discussionmentioning

confidence: 95%

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<title>Iridium L<formula><inf><roman>3</roman></inf></formula>-edge and oxygen K-edge x-ray absorption spectroscopy of nanocrystalline iridium oxide thin films</title>

et al. 2003

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Structural investigations of the short range order around iridium and oxygen ions in nanocrystalline iridium oxide thin films, prepared by dc magnetron sputtering technique, were performed by x-ray absorption spectroscopy. The Jr L3-edge extended x-ray absorption fine structure (EXAFS) and the 0 K-edge x-ray absorption near edge structure (XANES) signals were measured at room temperature and analysed within ab initio multiple-scattering and fullmultiple-scattering approaches, respectively. The x-ray absorption spectroscopy results indicate the presence in the films of ordered regions -nanocrystals, having a size of about 1 0 A and a structure rather close to that in crystalline iridium oxide 1r02. Such evidence agrees well with observations by x-ray diffraction, suggesting that the thin films are x-ray amorphous.

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Section: Resultsmentioning

confidence: 96%

Section: Discussionmentioning

confidence: 95%