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000019815 0247_ $$2DOI$$a10.1002/pssa.201184268
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000019815 084__ $$2WoS$$aMaterials Science, Multidisciplinary
000019815 084__ $$2WoS$$aPhysics, Applied
000019815 084__ $$2WoS$$aPhysics, Condensed Matter
000019815 1001_ $$0P:(DE-Juel1)VDB104464$$aAbboud, A.$$b0$$uFZJ
000019815 245__ $$aApplication of an energy-dispersive pnCCD for X-ray reflectivity: Investigation of interdiffusion in Fe-Pt multilayers
000019815 260__ $$aWeinheim$$bWiley-VCH$$c2011
000019815 300__ $$a2601 - 2607
000019815 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article
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000019815 440_0 $$04913$$aPhysica Status Solidi A$$v208$$x0031-8965$$y11
000019815 500__ $$aThis work was supported by BMBF under contract 05K10PSB. The authors like to acknowledge Dr. Leitenberger (University of Potsdam) for experimental assistance.
000019815 520__ $$aA frame store pn-junction CCD (pnCCD) detector was applied to study thermally induced interdiffusion in Fe/Pt thin film multilayers (MLs) in a temperature range between 300 and 585 K. Based on the energy resolution of the detector the reflectivity was measured simultaneously in a spectral range between 8 keV < E < 20 keV including the Pt L-edge energies close to 11.5 keV. Above T - 533K we find a strong drop of intensities at 1st and 2nd order ML Bragg peak interpreted mutual interdiffusion. Considering a simulated model of interdiffusion it has been found that the concentration of iron that diffuses into the platinum sub layers is higher than that of platinum into iron. The time dependence of inter diffusion was also calculated in the range of 533-568K and was described by the Arrhenius equation D(T) - D-0 exp(-H-a/k(B)T). The activation energy for the MLs used [Fe 1.7 nm/Pt 2 nm](50) was found to be 0.94 +/- 0.22 eV. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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000019815 65320 $$2Author$$ainterdiffusion
000019815 65320 $$2Author$$airon-platinum
000019815 65320 $$2Author$$aL-edge
000019815 65320 $$2Author$$apn-junction
000019815 650_7 $$2WoSType$$aJ
000019815 7001_ $$0P:(DE-Juel1)VDB104465$$aSend, S.$$b1$$uFZJ
000019815 7001_ $$0P:(DE-Juel1)VDB57647$$aHartmann, R.$$b2$$uFZJ
000019815 7001_ $$0P:(DE-Juel1)VDB24119$$aStrüder, L.$$b3$$uFZJ
000019815 7001_ $$0P:(DE-Juel1)VDB102950$$aSavan, A.$$b4$$uFZJ
000019815 7001_ $$0P:(DE-Juel1)VDB102951$$aLudwig, A.$$b5$$uFZJ
000019815 7001_ $$0P:(DE-Juel1)VDB7971$$aZotov, N.$$b6$$uFZJ
000019815 7001_ $$0P:(DE-Juel1)VDB6929$$aPietsch, U.$$b7$$uFZJ
000019815 773__ $$0PERI:(DE-600)1481091-8$$a10.1002/pssa.201184268$$gVol. 208, p. 2601 - 2607$$p2601 - 2607$$q208<2601 - 2607$$tPhysica status solidi / A$$v208$$x0031-8965$$y2011
000019815 8567_ $$uhttp://dx.doi.org/10.1002/pssa.201184268
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