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Single molecule magnets, or SMMs, can retain their magnetization with no external field acting on them, giving them the capability for information storage (dalton transactions). The main constraint for magnetic memory and information storage of SMMs is their blocking temperature, the point at lower temperatures where magnetic moments are “blocked”. The average blocking temperature for SMMs is 4K (RSC). At sub-Kelvin temperatures (below the blocking temperature) a SMM Fe4 complex attached to a gold surface was proven to store information through controlled magnetization with the SMM wired to a conducting surface (nature materials). Another approach to information storage with SMM Fe4 involves the application of a gate voltage for a state transition from neutral to anionic. The corresponding changes in conductance are unaffected by the magnetic states, proving that information storage could be performed at much higher temperatures than the blocking temperature (RSC). The specific mode of information transfer includes DVD to another readable medium, as shown with Mn12 patterned molecules on polymers (angewandte chemie).