Recovery of high-pressure solid forms to ambient conditions

Ward, Martin and Oswald, Iain D. H. (2022) Recovery of high-pressure solid forms to ambient conditions. In: CMAC Annual Open Day 2022, 2022-05-16 - 2022-05-18.

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The use of high pressure has been shown to be a highly effective route to the discovery and isolation of new solid forms. Typically this is achieved within a diamond anvil cell (DAC) with a single crystal subject to compression, or grown from a compressed solution. Single crystal studies are ideal to elucidate structural changes with pressure; however, bulk properties of the sample material, i.e. a powder, can not be readily obtained. In our lab, we have an additional capability to perform high pressure experiments in a large volume press (LVP), capable of providing ~ 1GPa pressure to materials on the gram scale. These two sample environments can be used to study the effect of high pressure on crystal structure and also the bulk material properties e.g. phase composition, rheology and dissolution.


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