Investigating the optical properties of dislocations by scanning transmission electron microscopy |
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| Authors: | Pennycook S J |
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| Affiliation: | Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA. pennycooksj@ornl.gov |
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| Abstract: | The scanning transmission electron microscope (STEM) allows collection of a number of simultaneous signals, such as cathodoluminescence (CL), transmitted electron intensity and spectroscopic information from individual localized defects. This review traces the development of CL and atomic resolution imaging from their early inception through to the possibilities that exist today for achieving a true atomic-scale understanding of the optical properties of individual dislocations cores. This review is dedicated to Professor David Holt, a pioneer in this field. |
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| Keywords: | cathodoluminescence dislocations core structures scanning transmission electron microscopy electron energy loss spectroscopy optical properties |
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