Quantised translational states of atomic He confined inside a nearly spherical cage: the endofullerene He@C60
Highly innovative 'molecular surgery' techniques have been developed in recent years to synthesise small molecule endofullerenes in which the molecular cage of C60 completely encloses and entraps a quantum rotor such as H2, H2O or HF. The physical entrapment provides a nanolaboratory environment in which to study the isolated molecule and to exploit its physical properties. In this new proposal we are shifting emphasis to the study of entrapped atomic species. In particular 3He is highly receptive to NMR with the capacity to be prepared in a hyperpolarised nuclear spin state. Yet to develop laser-pumping hyperpolarisation protocols and exploit the possibilities that such a spin system far from equilibrium would provide, a detailed characterisation of the translational energy levels of the He atom inside its cage is required. This is uniquely available using neutron scattering.
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HORSEWILL Anthony J.; George Razvan Bacanu; LEVITT Malcolm; MAMONE Salvatore; ROLS Stephane; Gabriela Sitinova and Richard J. Whitby. (2018). Quantised translational states of atomic He confined inside a nearly spherical cage: the endofullerene He@C60. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.7-04-156
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