Browsing by Author "Huang, Michael R. S."

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2019-12-02Zeitschriftenartikel

Gold‐ and Silver‐Coated Barium Titanate Nanocomposites as Probes for Two‐Photon Multimodal Microspectroscopy

Madzharova, Fani; Nodar, Álvaro; Živanovic, Vesna; Huang, Michael R. S.; Koch, Christoph T.; Esteban, Rubén; Aizpurua, Javier; Kneipp, Janina

Improved multiphoton‐excited imaging and microspectroscopy require nanoprobes that can give different nonlinear optical signals. Here, composite nanostructures with a barium titanate core and a plasmonic moiety at their ...
2021-03-24Zeitschriftenartikel

Raman shifts in MBE‐grown SixGe1 − x − ySny alloys with large Si content

Schlipf, Jon; Tetzner, Henriette; Spirito, Davide; Spirito, Davide; Manganelli, Costanza Lucia; Capellini, Giovanni; Huang, Michael R. S.; Koch, Christoph; Clausen, Caterina; Elsayed, Ahmed; Oehme, Michael; Chiussi, Stefano; Schulze, Jörg; Fischer, Inga A.

We examine the Raman shift in silicon–germanium–tin alloys with high silicon content grown on a germanium virtual substrate by molecular beam epitaxy. The Raman shifts of the three most prominent modes, Si–Si, Si–Ge, and ...