  Following significant instrument upgrades and parallel methodological
developments over the past decade, the TOSCA neutron spectrometer at the ISIS
Pulsed Neutron & Muon Source in the United Kingdom has developed a rich and
growing scientific community spanning a broad range of non-traditional areas of
neutron science, including chemical catalysis, gas adsorption & storage, and
new materials for energy and sustainability. High-pressure science, however,
has seen little to no representation to date owing to previous limitations in
capability. Herein, we explore for the first time the viability of rapid
high-pressure measurements in the gigapascal regime, capitalizing from the
orders-of-magnitude increase in incident flux afforded by a recent upgrade of
the primary-beam path. In particular, we show that spectroscopic measurements
up to pressures of 2 GPa over an unprecedented energy-transfer range are now
possible within the hour timescale. In addition, we have designed and
commissioned a dedicated set of high-pressure vessels, with a view to foster
and support the further growth and development of an entirely new user
community on TOSCA.
