Istituto per lo Studio dei Materiali Nanostrutturati     
Cavallini M., Bergenti I., Milita S., Ruani G., Salitros I., Qu Z., Chandrasekar R., Ruben M. Micro- and Nanopatterning of Spin-Transition Compounds into Logical Structures. In: Angewandte Chemie-International Edition, vol. 47 (45) pp. 8596 - 8600. Wiley, 2008.
The demand for more efficient information storage is one of the pivotal requirements of knowledge-based development and a prime challenge for current scientific and technological research.Currently, computer hard disks store data by defining the magnetic anisotropy orientation of small regions of a spinning disk. In one of the most successful technological developments of the last decades, scientists and engineers have boosted the capacities of storage devices by shrinking the size of the effective magnetic storage regions. This trend is predicted to continue until the so-called superparamagnetic limit is reached. Close to that frontier, ambient heat can trigger de-orientation of magnetic domains as a result of their reduced size. Among the proposals to overcome this obstacle (e.g. perpendicular recording, antiferromagnetic coupled media, added heaters), nanopatterning of the storage domains seems to be very promising.
URL: http://www3.interscience.wiley.com/cgi-bin/fulltext/121426854/PDFSTART
DOI: 10.1002/anie.200802085
Subject lithography
molecular data storage
spin crossover
supramolecular chemistry

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