TEM characterizations for another typical region of the Ce-45 MMP magnet. (a) Bright field image taken along the [211] zone axis of REFe₂ phase (triple junction). (b) and (c) SAED patterns for the triple junction region as indicated by the red dashed circle in (a) along two different zone axes. (d) and (e) TEM images with a high magnification taken from the regions indicated by the red squares I and II in (a).^[6]