Issue Date: April 16, 2012
Nanoparticle Arrays For Faster Electronics
Chemists in China have grown precise arrays of ultrathin flakes of bismuth selenide and bismuth telluride on a surface (J. Am. Chem. Soc., DOI: 10.1021/ja3021395). The bismuth compounds belong to a recently discovered class of materials called topological insulators, which researchers think promise a new realm of fast, energy-efficient electronic devices and computers.
Making well-defined arrays of topological insulator nanoparticles is a key step toward . . .
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