A novel ‘plastic crystal’ developed by Hokkaido University researchers is said to have switching properties that suit it to memory-related applications.

Based on an organic amine, the crystal is ferroelectric at room temperature, but enters a more pliable phase at higher temperatures. By applying an electric field as the crystal cools, it can be returned to the ferroelectric state.

According to the team, a distinct advantage of this crystal is its transition to a plastic state when heat is applied. This plasticity – as opposed to fracturing that occurs in regular organic and inorganic crystals when a mechanical stress is applied – makes it attractive for use as a thin ferroelectric film, including as a non-volatile ferroelectric RAM.

By: DocMemory
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