Much more to explore with an oxidation state of nearly four: Pr valence instability in intermetallic
m
-Pr
2
Co
3
Ge
5
Trent M. Kyrk,
Ellis R. Kennedy,
Jorge Galeano-Cabral
et al.
Abstract:For some intermetallic compounds containing lanthanides, structural transitions can result in intermediate electronic states between trivalency and tetravalency; however, this is rarely observed for praseodymium compounds. The dominant trivalency of praseodymium limits potential discoveries of emergent quantum states in itinerant 4
f
1
systems accessible using Pr
4+
-based compounds. Here, we use in situ powder x-ray diffraction and in situ electron e… Show more
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