Communications of the ACM
Towards Data Storage at the Single Molecule Level
Kiel University researchers have found a way to store information on a single spin-crossover molecule.
Credit: Manuel Gruber
Researchers at Kiel University in Germany have developed a process for storing information on a single spin-crossover molecule.
In addition to depositing a new class of spin-crossover molecules onto a surface, the team also leveraged interactions that were previously deemed obstructive to enhance the molecule's capacity.
Kiel's Manuel Gruber says the new molecule is only one square nanometer in size, which could enable a bit to be encoded in an area 100 times smaller than what is currently possible.
Not only can the molecule assume two magnetic states, it also can change its linkage to a special surface that lets it be flipped between high and low magnetic states, and turned by 45 degrees.
"When transferred onto storage technology, we would be able to depict information on three states--those being 0, 1, and 2," says Kiel's Torben Jasper-Tonnies.
The researchers think the storage space of conventional hard drives could theoretically be enlarged 100-fold or more.
From Kiel University
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Abstracts Copyright © 2017 Information Inc., Bethesda, Maryland, USA
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