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Fig. 9. (Color online) (a) Schematic illustrating the synthesis of sulfurized Pb(Zr,Ti)O3 (PZT) films. (b) Polarization–electric field hysteresis loops of pure and sulfurized PZT films on SrRuO3/SrTiO3 (001) substrate. (c) The band-gap measurement of pure and sulfurized PZT films on SrRuO3/SrTiO3 (001) substrates using ellipsometry. Here, (Eα)2, where E and α are the photon energy and the absorption coefficient, respectively, was plotted as a function of the photon energy (eV). Adapted with permission from Ref. [71]. Copyright 2019 American Physical Society.
New Phys.: Sae Mulli 2021;71:991~1003 https://doi.org/10.3938/NPSM.71.991
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