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Letter

Nature Materials 7, 697–700 (1 September 2008) | doi:10.1038/nmat2259

Classical and quantum routes to linear magnetoresistance

Jingshi Hu & T. F. Rosenbaum

The hallmark of materials science is the ability to tailor the microstructure of a given material to provide a desired response. Carbon mixed with iron provides the steel of buildings and bridges; impurities sprinkled in silicon single crystals form the raw materials of the electronics revolution; pinning centres in superconductors let them become powerful magnets.