1991
DOI: 10.1007/bf02744740
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Polarization dependence of EXAFS and XANES spectra of superconducting films on the basis of Y-Ba-Cu-O

Abstract: Superconducting films of Y-Ba-Cu-O have been studied by EXAFS and XANES spectroscopy. Films of thickness 10013/~ obtained by laser sputtering onto sapphire substrates had T~ of about 90 K, ATc of about 2 K and the ? axis orientation normal to the substrate surface. The EXAFS and XANES spectra were measured in the region of Y and CuK edges at different orientations of the sample with respect to the polarization vector E. The spectra were measured in the surface-sensitive total electron yield detection mode. The… Show more

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“…285 Studies of distortions in planar square CuO 4 fragments in single crystals of high-temperature superconducting phases gave additional information on the mechanism of superconductivity. 286,287 In quantum mechanical description of polarised light properties, the term photon spin is often used. A photon, being a boson, possesses spin quantum number S = 1 and two allowed spin moment projections m S = AE1 (the projection m S = 0 is prohibited for a photon due to its zero rest mass).…”
Section: Other Methods a Utilisation Of Anomalous Scatteringmentioning
confidence: 99%
“…285 Studies of distortions in planar square CuO 4 fragments in single crystals of high-temperature superconducting phases gave additional information on the mechanism of superconductivity. 286,287 In quantum mechanical description of polarised light properties, the term photon spin is often used. A photon, being a boson, possesses spin quantum number S = 1 and two allowed spin moment projections m S = AE1 (the projection m S = 0 is prohibited for a photon due to its zero rest mass).…”
Section: Other Methods a Utilisation Of Anomalous Scatteringmentioning
confidence: 99%