Synthesis and EXAFS characterization of amorphous FePS3 thin films
Résumé
The M" PS3 compounds (M = transition metal) form
a series of semiconducting layered materials which
have received considerable attention in the past
10 years [1]. Unusual properties have been evidenced,
which arise from a duality of the MPS3 materials,
which under certain circumstances behave as typical
materials of solid-state chemistry while under other
circumstances behave as co-ordination complexes [2].
In addition, interest in these materials is further
increased by their ability to act as very efficient
cathodic materials in rechargeable lithium barriers.
Indeed, this family of compounds contains some of
the best candidates for industrial development.
We show in this letter that, although FePS3 is a
ternary compound containing elements of different
volatility, it can be evaporated and recondensed to
give amorphous thin films with the same composition
and same local structural arrangement as the parent
crystalline materials