کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
11011024 | 1803578 | 2019 | 18 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Investigation of the Nd2O3-Lu2O3-Sc2O3 phase diagram for the preparation of perovskite-type mixed crystals NdLu1âxScxO3
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Based on differential thermal analysis (DTA) and X-ray powder diffraction (XRD), a description of the Nd2O3-Lu2O3-Sc2O3 system was obtained by thermodynamic assessment. Four fields of primary crystallization could be identified; from melt compositions close to the Lu2O3-Sc2O3 edge, the rare-earth oxide C-phase crystallizes first which is stable down to room temperature. From Nd2O3 rich melts, the X-phase forms which is stable only at high temperatures. An additional field, where the alternative high-temperature phase H solidifies as primary product touches the Nd2O3-Lu2O3 edge of the concentration triangle. From melts close to the composition NdScO3, the P-phase (perovskite) can be crystallized and mixed crystals with second endmember NdLuO3 have been grown from the melt. Crystals of this mixed perovskite were grown by the micro-pulling-down and Czochralski methods.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Crystal Growth - Volume 505, 1 January 2019, Pages 38-43
Journal: Journal of Crystal Growth - Volume 505, 1 January 2019, Pages 38-43
نویسندگان
Tamino Hirsch, Christo Guguschev, Albert Kwasniewski, Steffen Ganschow, Detlef Klimm,