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Intern
Experimentelle Physik II

Lehrstuhlinhaber

Prof. Dr. Matthias Bode

Zimmer: F-161
Tel.:       +49 931 31-83218
E-Mail:  bode@physik.uni-wuerzburg.de
Researcher ID:  S-3249-2016
Sprechzeiten: kurzfristig nach Vereinbarung
(bitte E-Mail-Anfrage senden)

Sekretariat

Frau Eaton / Frau Riegel
Zimmer: F-162
Tel.:      +49 931 31-85756
Fax:     +49 931 31-85158
E-Mail: ep2-sekretariat@physik.uni-wuerzburg.de


Themen für Masterarbeiten

Auf dem Gebiet der Raster­­tunnel­­mikro­skopie bei tiefen Temperaturen sind am Lehrstuhl EP2 mehrere Master­ar­bei­ten zu ver­ge­ben.  Eine hoch­wertige und mo­der­ne experi­­men­­telle Aus­­stat­tung ist vor­han­den!  Bei der Durchführung der Projekte werden Sie mit einem klei­nen Team zusammenarbeiten.  Hier eine kurze Themenliste:

  • STM-Untersuchungen des Wachstums und der elektronische Eigenschaften epitaktischer SnTe- und PbSnTe-Filme (im Rahmen des SFB 1170 "ToCoTronics"; Teilprojekt A02; Publikation)
  • Untersuchung potentieller topologischer Supraleiter bei Temoeraturen um 1 K (im Rahmen des SFB 1170 "ToCoTronics")
  • Studien zum elektronischen Transport in Oberflächen mittels Molecular Nanoprobe (MONA)

Bei Inter­es­se melden Sie sich bitte bei Prof. Matthias Bode (Stand 09.03.2018).

Science news

Molecular growth and charge transfer on surfaces

The structure of or­ga­nic compounds on metal surfaces is of great interest for the fabrication of devices in the field of organic elec­tro­nics but for future progress a deeper understanding of intermolecular interactions and charge transfer is required. In cooperation with the research group of Prof. Anke Krüger at Würzburg's Institute for Organic Chemistry we have investigated the two-dimensional self-assembly of tri­ben­zo­triquin­acenes (TBTQs) on Ag(111) by scan­ning tun­neling micros­copy (STM). Highly ordered monolayers were observed for the first time. STM measurements identify a charge transfer between substrate and TBTQ.  The result has been published in  the Jour­nal of Physical Chemistry C


How to decouple molecules from surfaces

Organic chem­istry allows for a basically infinite number of mo­di­fi­ca­tions of molecular struc­tures.  For example, substituents added to a molecule can lead to either a stronger or a weaker coupling to the substrate.  We performed a comparative study of tetra-tert-butyl phthalocyanine (ttbPc) isomers on a Ag(111) surface by means of low-temperature scanning tunneling microscopy to analyze the influence of substituents on the tautomerization, a proton transfer reaction, in single molecules.  By comparison with other well-studied molecules we find a decoupling of ttbPc from the surface.  We find significant differences between the four ttbPc isomers which naturally exist due to different bonding positions of the tert-butyl groups on the macrocycle.  The result has been published in the Journal of Physical Chemistry C.


New group member: Patrick Härtl

Mid-April Patrick Härtl began his master thesis to search for new thin-film systems with a strong spin-orbit interaction.  He will work with the VT-STM to prepare and investigate these samples.  Welcome!


New group member: Valentin Schmid

In April Valentin Schmid joined our team for his bachelor project.  He will investigate if and how electro-chnically etched tungsten tips can be improved by argon ion sputtering and focused ion beam techniques.  Welcome! 

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Contact

Lehrstuhl für Experimentelle Physik II
Am Hubland
97074 Würzburg

Phone: +49 931 31-85756
Fax: +49 931 31-85158
Email

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