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3. Self-catalyst growth of single-crystalline CaB6 nanostructures

Author

Xu, Junqi, Zhao, Yanming, Zou, Chunyun, and Ding, Qiwei

Subjects
*NANOSTRUCTURES, *ELECTRON microscopy, *PARTICLES (Nuclear physics), *SCANNING electron microscopy
Abstract

Abstract: Large-scale calcium hexaboride (CaB6) nanostructures have been successfully fabricated with self-catalyst method using calcium (Ca) powders and boron trichloride (BCl3) gas mixed with hydrogen and argon. X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and selected-area electron diffraction (SAED) were used to characterize the compositions, morphologies, and structures of the samples. Our results show that the nanowires are highly single crystals elongated preferentially in the [110] direction. The growth mechanism based on the self-catalyst process is simply discussed. [Copyright &y& Elsevier]

Published
2007
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