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![[Figure 2]](ko5041fig2mag.jpg)
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Figure 2
(a) Temperature evolution of a part of the YMnO3 diffraction patterns, with increasing temperature from 1000 to 1400 K (top to bottom). The arrow indicates a Bragg peak due to a trimer distortion (Katsufuji et al., 2002  ). The intensity of the Bragg peak decreases with increasing temperature and disappears at 1250 K, indicating a phase transition. (b) For YbMnO3, the Bragg peak does not disappear up to T = 1350 K. Only the position of the Bragg peak shifts toward high d spacing. For clarity, the diffraction patterns are shifted vertically from one another. |
![[Figure 2]](ko5041fig2.jpg)
 | JOURNAL OF APPLIED CRYSTALLOGRAPHY |
ISSN: 1600-5767
