Mononuclear lanthanide single-molecule magnets based on polyoxometalates.
[ErW10O36]9- is the first polyoxometalate behaving as a single-molecule magnet (SMM). It shows frequency-dependent out-of-phase magnetization and a thermally activated single relaxation process with an effective barrier of 55.8 K. This single lanthanide ion polyoxometalate is the inorganic analogue of the bis(phthalocyaninato)lanthanide SMMs, both exhibiting very similar ligand field symmetries around the lanthanide ion (idealized D4d). It is chemically stable and offers new avenues for organization and processing of single-molecule magnets. Furthermore, it can be made free from nuclear spins and opens the possibility to be used for studies of decoherence on unimolecular qubits.
Aldamen
Murad A
MA
Instituto de Ciencia Molecular, Universidad de Valencia, Polígono de la Coma s/n, 46980 Paterna, Spain.
Clemente-Juan
Juan M
JM
Coronado
Eugenio
E
Martí-Gastaldo
Carlos
C
Gaita-Ariño
Alejandro
A