Abstract
We report ultrafast scanning tunneling microscopy using a low-temperature- grown GaAs tip photoexcited by 100-fs, 800-nm pulses. We use this tip to detect picosecond transients on a coplanar stripline and demonstrate a temporal resolution of 1.7 ps. A dependence of the transient signal upon spatial position of the tip is revealed, indicating that the signal arises from areas on the sample smaller than ~20nm
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Donati, G.P., Rodriguez, G., Taylor, A.J. (1998). Ultrafast Scanning Tunneling Microscopy Using a Photoexcited Low-Temperature-Grown GaAs Tip. In: Ultrafast Phenomena XI. Springer Series in Chemical Physics, vol 63. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-72289-9_48
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DOI: https://doi.org/10.1007/978-3-642-72289-9_48
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