Figure. (IMAGE)

National Institute for Materials Science, Japan

Figure.

Caption

Schematic of the rearrangement of Ru atoms by heating and the volume increasing while the basic crystal framework is retained. The diagram shows the changes caused by heating from left to right. The redder the color, the higher the site occupancy by Ru atoms. The volume does not revert to its original state even after cooling, and the expanded state is retained. The changes in the lattice size are emphasized for better visibility.

Credit

Kazunari Yamaura (National Institute for Materials Science)

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