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Figure 9
Variation of grain sizes for nano-Ni as a function of temperature at atmospheric pressure (neutron data) and at a high pressure of 7.4 GPa (X-ray data). For neutron data, the grain sizes derived from the (Ehkl/E111)2 and (Ehkl/E200)2 corrections are marked as (111) and (200), respectively, and are shown by solid green and blue triangles. Solid red diamonds denote the grain sizes derived from high-P–T X-ray data corresponding to Fig. 6[link]. The insert plots the grain-size variation on a logarithmic scale and over a wider temperature range, showing the rapid growth of Ni nanocrystals approaching or entering the micrometre region.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 41| Part 6| November 2008| Pages 1095-1108
doi:10.1107/S0021889808031762
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