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Creators/Authors contains: "Goettlich, Daniel J."

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  1. ; ; ; (, MRS Communications)
    Abstract Material changes in yttrium-doped barium zirconate, BaZr 0.8 Y 0.2 O 3– x , were studied using in situ Raman spectroscopy and ex situ x-ray photoelectron spectroscopy analysis. During in situ Raman analysis, samples were heated to temperatures of 300–600 °C and exposed to both dry and humidified H 2 atmospheres. At the lower temperatures (300–450 °C), a new vibrational peak appears in the Raman spectra during exposure to humidified H 2 . The appearance of this feature is reversible, dependent on previous sample history, and possibly results from new, secondary phase formation or lattice distortion. 
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