New advancements have been scored by CAS scientists on ultrahigh-density information storage as they successfully carried out the reversible, erasable and rewritable nanorecording on H2 thin films of rotaxane, a super-molecular structure of dumbbell-like molecules trapped within the cavity of macrocycles. According to a recent issue of Journal of the American Chemical Society (JACS), the feat by far gives the most direct evidence for the nanorecording behaviors caused by conductance transition in rotaxane molecules, which indicates a promising future for molecular memories after necessary chemical modifications.
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