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Letter

Stable Cluster Motifs for Nanoscale Chromium Oxide Materials

Denis E. Bergeron and A. Welford Castleman, Jr.*

Departments of Chemistry and Physics, 152 Davey Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802

Naiche O. Jones and Shiv N. Khanna

Physics Department, Virginia Commonwealth University, Richmond, Virginia 23284-2000

Nano Letters, 2004, 4 (2), pp 261–265

DOI: 10.1021/nl034997q

Publication Date (Web): January 22, 2004

Corresponding author. E-mail: awc@psu.edu.

Abstract

We show that by varying the formation conditions, two distinct families of stable chromium oxide nanoparticles can be generated, each with unique electronic and magnetic properties. Both families exhibit a strong tendency to scavenge electronic charge, making them potentially valuable as catalysts. What is more interesting is that one family is found to have the magnetic characteristics of tiny bar magnets and may therefore find use in the design of novel magnetic materials.

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