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Title: EBSD characterisation of Y2Ba4CuUOx phase in melttextured YBCO with addition of depleted uranium oxide
Authors: Koblischka-Veneva, A
Mücklich, F
Koblischka, MR
Hari Babu, N
Cardwell, DA
Keywords: Depleted Uranium Oxide;Nano-Particles
Issue Date: 2006
Citation: Journal of Physics: Conference Series, 2006, 43 (1), pp. 438 - 441
Abstract: Melt-textured YBCO samples processed with added Y2O3 and depleted uranium oxide (DU) contain nano-particles, which have been identified previously as Y2Ba4CuUOx (U-411). This phase has a cubic unit cell, which is clearly distinct from the orthorhombic Y-123 and Y-211 phases within the YBCO system. In samples with a high amount of DU addition (0.8 wt-% DU), U-2411 particles have sizes between 200 nm and several νm, so identification of the Kikuchi patterns of this phase becomes possible. Together with a parallel EDX analysis, the particles embedded in the Y-123 matrix can be identified unambiguously. In this way, a three-phase EBSD scan becomes possible, allowing also the identification of nanometre-sized particles in the sample microstructure.
ISSN: 1742-6588
Appears in Collections:Brunel Centre for Advanced Solidification Technology (BCAST)

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