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  Imaging ultrafast dynamics on the nanoscale with THz-STM

Jelic, V., Cocker, T. L., Nguyen, P. H., Rathje, C., Hornig, G. J., Hoffman, J. R., et al. (2015). Imaging ultrafast dynamics on the nanoscale with THz-STM. In 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz 2015). IEEE. doi:10.1109/IRMMW-THz.2015.7327886.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-D6D0-7 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-D6D1-5
Genre: Conference Paper

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 Creators:
Jelic, V.1, Author
Cocker, T. L.1, 2, Author
Nguyen, P. H.1, Author
Rathje, C.3, Author
Hornig, G. J.1, Author
Hoffman, J. R.1, Author
Sharum, H. M.1, Author
Miller, R.1, Author
Molesky, S. J.1, Author
Gupta, M.4, Author
Burgess, Jacob A. J.1, 5, Author              
Reyes, G. B. De los1, Author
Titova, L. V.1, 6, Author
Ropers, C.3, Author
Tsui, Y. Y.4, Author
Freeman, M. R1, Author
Hegmann, F. A.1, Author
Affiliations:
1Department of Physics, University of Alberta, Edmonton, AB, T6G 2E1 Canada, ou_persistent22              
2Department of Physics, University of Regensburg, 93040 Regensburg, Germany, ou_persistent22              
34th Physical Institute, University of Göttingen, 37077 Göttingen, Germany, ou_persistent22              
4Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB, T6G 2E1 Canada, ou_persistent22              
5Dynamics of Nanoelectronic Systems, Independent Research Groups, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938290              
6Department of Physics, Worcester Polytechnic Institute, Worcester, MA, 01609 USA, ou_persistent22              

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 Abstract: The ability to directly image ultrafast phenomena with nanometer spatial resolution is essential to our understanding of local excitation dynamics in nanomaterials and devices. We have developed a new approach to ultrafast scanning tunneling microscopy (STM) that couples terahertz (THz) pulses to the scanning tip of a STM. We have used THz-STM under ambient lab conditions to image ultrafast charging dynamics of a single InAs nanodot on GaAs with 0.5 ps time resolution and 2 nm spatial resolution. We are currently developing THz-STM for operation in ultrahigh vacuum with the goal of imaging ultrafast dynamics on surfaces with atomic resolution.

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Language(s): eng - English
 Dates: 20152015
 Publication Status: Published online
 Pages: 2
 Publishing info: -
 Table of Contents: -
 Rev. Method: Internal
 Identifiers: DOI: 10.1109/IRMMW-THz.2015.7327886
 Degree: -

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Title: 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz 2015)
Place of Event: The Chinese University of Hong Kong
Start-/End Date: 2015-08-23 - 2015-08-28

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Title: 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz 2015)
Source Genre: Proceedings
 Creator(s):
Affiliations:
Publ. Info: IEEE
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: - Identifier: ISSN: 2162-2027