piwik-script

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:

  • Skyrmionen in antiferromagnetischen Filmen (DFG ge­för­dert im Rahmen des SPP "Skyrmionics")
  • STM-Untersuchungen des Wachstums und der elektronische Eigenschaften epitaktischer SnTe- und PbSnTe-Filme (im Rahmen des SFB 1170 "ToCoTronics"; Teilprojekt A02; Publikation)
  • Magnetische Ordnungsphänomene eindimensionaler Übergangsmetalloxid-Strukturen auf Pt(001)
  • Studien zum elektronischen Transport in Oberflächen mittels Molecular Nanoprobe (MONA)

Bei Inter­es­se melden Sie sich bitte bei Prof. Matthias Bode (Stand 08.05.2018).

Science news

Novel magnetic structure discovered

By spin-po­la­rized STM, a mag­ne­ti­cal­ly sen­si­tive mi­cros­co­py tech­nique with ato­mic re­so­lu­tion ca­­pa­­bi­­li­­ty, we could ob­serve a no­vel theo­re­ti­cal­ly pre­dic­ted mag­ne­tic ground state, a so-called up-up-down-down (↑↑↓↓) spin struc­ture. As shown in the STM ima­ge above, this exo­tic mag­ne­tic struc­ture exists in three orien­ta­tio­nal do­mains in a mono-layer Fe on Rh(111). Cal­cu­la­tions per­for­med at the For­schungs­zentrum Jü­lich re­veal that this mag­ne­tic struc­ture is caused by a beyond-Heisen­berg inter­ac­tion. The result has been published in Phys. Rev. Lett.


How to dope topological insulators towards ferromagnetism

In a recent highly collaborative publication in Phys. Rev. B with colleagues from Sweden, Italy, Russia, France, and Spain, we report on a syste­ma­tic in­ves­tiga­tion of the tran­sition metal-doped to­po­lo­gi­cal in­su­la­tor Sb2Te3. By com­bi­ning den­sity func­tio­nal theo­ry with com­ple­men­tary ex­pe­ri­men­tal tech­niques, i.e., STM, re­so­nant photo­emis­sion, and x-ray mag­ne­tic cir­cu­lar dichro­ism, we achie­ved a detailed charac­teri­zation of the elec­tro­nic and mag­netic pro­per­ties. Our results pro­vide ge­ne­ral guide­lines how to rea­lize a ro­bust QAHE by do­ping Sb2Te3 towards a ferromagnetic state.


Tim Zenger began his master project

Mid March Tim Zenger, who also joined EP2 for his bachelor, started with his master project.  He will join the CryoMag team and investigate nanomagnetic systems by spin-polarized STM in external magentic fields.  Welcome!


New group member: Christian Sick

In April Christian Sick joined our group for his Bachelor project.  He will work with the VT-STM to characterize the growth of thin metal films by scanning tunneling microscopy, low-energy electron diffraction, and Auger electron spectroscopy.  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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Hubland Süd, Geb. P1