Credit: Image credit: Jason Richards/ORNL.
his large volume neutron diamond anvil cell seen here is loaded with water (i.e. ice). The sample sits between the two diamonds. The top diamond is covered with a metal disk, the gasket, that contains the sample. The flat on the top of the diamond seen here has a diameter of 1.5 mm. The metal housing is used to bring the diamonds together in a controlled manner to pressurize.