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Table 1 Lattice parameters of the (U,Zr,Ce)O2 samples sintered under Ar
Sample
(U0.9 Zr0.1 )O2
(U0.85 Zr0.1 Ce0.05 )O2
Lattice parameter, nm
0.5406
0.5418
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Table 2 Lattice parameters of (U0.9 Zr0.1 )O2 samples sintered under different conditions
Sample
(U0.9 Zr0.1 )O2
(U0.9 Zr0.1 )O2+x
Lattice parameter, nm
0.5440
0.5440
0.5406
0.5385
0.5385
0.5405
Comments
1673 K, Ar/8%H2 [47]
1673 K, Ar then Ar/8%H2 [41]
This study
1673 K, Ar[47]
1673 K, Ar[41]
773 K, air[41]
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Table 3 Lattice parameters of the oxidized (U,Zr,Ce)O2 samples
Sample
Oxidized (U0.9 Zr0.1 )O2
Oxidized (U0.85 Zr0.1 Ce0.05 )O2
Lattice parameters, nm
0.679 1.1704 0.4131
0.667 1.1717 0.4135
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Table 4 Lattice parameters of the (U1-x Zr0.1 Gdx )O2 samples sintered under Ar
Sample
(U0.85 Zr0.1 Gd0.05 )O2
(U0.80 Zr0.1 Gd0.1 )O2
(U0.75 Zr0.1 Gd0.15 )O2
(U0.70 Zr0.1 Gd0.2 )O2
(U0.65 Zr0.1 Gd0.25 )O2
Lattice parameter, nm
0.5414
0.5411
0.5410
0.5416
0.5411
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Table 5 Lattice parameters of the oxidized (U1-x Zr0.1 Gdx )O2 samples
Sample
Oxidized
Oxidized
Oxidized
Oxidized
Oxidized
(U0.85 Zr0.1 Gd0.05 )O2
(U0.80 Zr0.1 Gd0.1 )O2
(U0.75 Zr0.1 Gd0.15 )O2
(U0.70 Zr0.1 Gd0.2 )O2
(U0.65 Zr0.1 Gd0.25 )O2
Cubic, (nm)
0.5403
0.5402
0.5403
0.5410
Orthorhombic, (nm) Orthorhombic
space group
0.656 1.174 0.4139
Cmmm, 65
0.664 1.190 0.4131
Cmmm, 65
0.523 0.5479 0.561
Cmcm, 63
0.521 0.551 0.553
Cmcm, 63
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Figure Captions
Figure 1 UO2 -ZrO2 phase diagram[57]
Figure 2 XRD patterns of the (U,Zr,Ce)O2 samples sintered under Ar with reference[56]
Figure 3 SEM/EDS images of the (U,Zr,Ce)O2 samples sintered under Ar.
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Figure 4 XRD patterns of the oxidized (U,Zr,Ce)O2 samples with reference[51].
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Figure 5 SEM/EDS images of the oxidized (U,Zr,Ce)O2 samples
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Figure 6 XRD patterns of the (U1-x Zr0.1 Gdx )O2 samples sintered under Ar with
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reference[56]
Figure 7 SEM/EDS images of the (U1-x Zr0.1 Gdx )O2 samples sintered under Ar.
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Figure 8 XRD patterns of the oxidized (U1-x Zr0.1 Gdx )O2 samples with references[47, 51, 56].
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Figure 9 SEM/EDS images of the oxidized (U,Zr,Gd)O2 samples
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Figure 1 UO2 -ZrO2 phase diagram[57]
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Figure 2 XRD patterns of the (U,Zr,Ce)O2 samples sintered under Ar with reference[56]
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Figure 3 SEM/EDS images of the (U,Zr,Ce)O2 samples sintered under Ar.
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Figure 4 XRD patterns of the oxidized (U,Zr,Ce)O2 samples with reference[51].
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Figure 5 SEM/EDS images of the oxidized (U,Zr,Ce)O2 samples
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Figure 6 XRD patterns of the (U1-x Zr0.1 Gdx )O2 samples sintered under Ar with reference[56]
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Figure 7 SEM/EDS images of the (U1-x Zr0.1 Gdx )O2 samples sintered under Ar.
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Figure 8 XRD patterns of the oxidized (U1-x Zr0.1 Gdx )O2 samples with references[47, 51, 56].
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Figure 9 SEM/EDS images of the oxidized (U,Zr,Gd)O2 samples
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