Fig. 6: Irradiation effects and elemental distribution at triple junction grain boundary in γ-LiAlO2. | npj Materials Degradation

Fig. 6: Irradiation effects and elemental distribution at triple junction grain boundary in γ-LiAlO2.

From: Molecular dynamics study of grain boundaries as defect sinks under irradiation in LiAlO2 and LiAl5O8

Fig. 6

a STEM micrograph and EELS maps showing the distribution of b Li, c F, and d O at a triple junction grain boundary in a γ-LiAlO2 pellet sequentially irradiated with 90 keV He+ and 80 keV H2+ ions to an equal fluence of 2 × 1017 (He+ + H+)/cm2 at 573 K, followed by vacuum annealing at 873 K for 30 min.

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