Ultrafast pump-probe force microscopy with nanoscale resolution
We perform time-resolved pump-probe microscopy measurements by recording the local force between a sharp tip and the photo-excited sample as a readout mechanism for the material's nonlinear polarization. We show that the photo-induced force is sensitive to the same excited state dynamics as mea...
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| Veröffentlicht in: | Applied physics letters 2015-02, Vol.106 (8) |
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| container_title | Applied physics letters |
| container_volume | 106 |
| creator | Jahng, Junghoon Brocious, Jordan Fishman, Dmitry A. Yampolsky, Steven Nowak, Derek Huang, Fei Apkarian, Vartkess A. Wickramasinghe, H. Kumar Potma, Eric Olaf |
| description | We perform time-resolved pump-probe microscopy measurements by recording the local force between a sharp tip and the photo-excited sample as a readout mechanism for the material's nonlinear polarization. We show that the photo-induced force is sensitive to the same excited state dynamics as measured in an optical pump-probe experiment. Ultrafast pump-probe force microscopy constitutes a non-optical detection technique with nanoscale resolution that pushes pump-probe sensitivities close to the realm of single molecule studies. |
| doi_str_mv | 10.1063/1.4913853 |
| format | Article |
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| identifier | ISSN: 0003-6951 |
| ispartof | Applied physics letters, 2015-02, Vol.106 (8) |
| issn | 0003-6951 1077-3118 |
| language | eng |
| recordid | cdi_proquest_journals_2124915319 |
| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Applied physics Microscopy Recording |
| title | Ultrafast pump-probe force microscopy with nanoscale resolution |
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