PhD project: Nanofabrication as a Route to Ultrahigh Pressures

Project description

Pressures above 1 million atmospheres (100GPa) can be generated routinely using a diamond anvil pressure cell. The current maximum pressure obtained with such a device is 400GPa, but pressures well beyond that might be generated by using nano-fabrication techniques to miniaturise both the diamond anvils and sample. In this project, focused ion beam technology will be used to "sculpt" diamond anvils to micron dimensions to achieve pressures beyond those currently achievable. The new technology will be used to study simple systems e.g. H2, Li, Na, N2, and O2 to explore phenomena at extreme densities.

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