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Creation of Nanocrystals Via a Tip-Induced Solid-Solid Transformation

Published online by Cambridge University Press:  10 February 2011

Jian Zhang ,
Jie Liu ,
Jinlin Huang ,
Philip Kim  and
Charles M. Lieber
Jian Zhang
Affiliation:
Department of Chemistry and Division of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138
Jie Liu
Affiliation:
Department of Chemistry and Division of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138
Jinlin Huang
Affiliation:
Department of Chemistry and Division of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138
Philip Kim
Affiliation:
Department of Chemistry and Division of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138
Charles M. Lieber
Affiliation:
Department of Chemistry and Division of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138
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Abstract

Scanning tunneling microscopy (STM) is a powerful tool for nanoscale research since it can both create and probe the properties of nanostructures. We have used STM to create T-phase TaSe2 nanocrystals embedded in H-phase TaSe2 through a tip-induced solid-solid phase transition at liquid He temperature. Atomic-resolution images have been used to develop a structural model to understand this solid-solid phase transformation. Furthermore, STM studies of the charge density wave (CDW) state in the T-TaSe2 nanocrystals have been used to address CDW physics in finite dimensions.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 466: Symposium G – Atomic Resolution Microscopy of Surfaces and Interfaces , 1996 , 89
Copyright
Copyright © Materials Research Society 1997

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References

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