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    • Prof. Dr. Matthias Bode
    • Prof. Dr. Hamad Albrithen
    • Dr. Artem Odobesko
    • Dr. Jing Qi
    • Dr. Markus Leisegang
    • Andreas Christ
    • Patrick Härtl
    • Florian Keller
    • Wun-Chang Pan
    • Manuel Seitz
    • Yu Wang
    • Paula Weber
    • Former group members
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  • Media
    • 2021
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Experimentelle Physik II

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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:

  • Switching spin spirals by stoichiometry
  • Charge transport across magnetic nanostructures on the atomic scale
  • Investigation of localized states in magnetic adatoms on Nb(110)
  • Growth and characterization of topological insulator thin films on Nb(110)
  • Influence of magnetic and non-magnetic adatoms on the 1D edge states of Pb1-xSnxSe

Mehr informationen zu den einzelnen Themen gibt es hier. Bei Inter­es­se melden Sie sich bitte bei Prof. Matthias Bode (Stand 25.01.2023).

Science news

There exist only 4 elements which are ferromagnetic at room temperature: iron, cobalt, nickel, and the —far less well-known— rare-earth metal gadolinium (Gd). Although rare-earth metals are highly important in countless appli­ca­tions, for example in wind-powered electrical ge­ne­ra­tors, their magnetic domain structure is largely unknown. The term "magnetic domain structure" describes, loosely speaking, the distribution and shape of magnetic "north and south poles".

In a recent study, Patrick Härtl and Dr. Mar­kus Lei­se­gang investigated the domain structure of Gd films by means of spin-polarized scan­ning tunne­ling micros­copy (SP-STM). This technique allows the imaging of magnetic domains with a spatial resolution down to the scale of single atoms. When depositing highly pure Gd films on a single-crystalline tungsten substrate, they noticed that the growth con­di­tions, such as the substrate temperature, singnificantly impact the magnetic properties. Only for optimally pre­pared, very smooth films well-defined domain struc­tures could be observed. As shown in the image above, these films were found to exhibit a spin-reorientation tran­si­tion, i.e., the film is magnetized within the film plane at low film thickness (left panel) but per­pen­di­cu­lar to the film plane at higher film thickness (right).  The results have been published in Phys. Rev. B 105, 174431 (2022).

Upcoming Colloquia & Seminars

Apr 27

Würzburg ToCoTronics Colloquium
"Formation of Exceptional Points in Pseudo-Hermitian Systems"
Grigorii Starkov - Uni Bochum

Jun 02

SFB Extra Seminar
"TBA"
Riccardo Comin - MIT, Boston

Jun 22

Würzburg ToCoTronics Colloquium
"TBA"
Julia Link - TU Dresden


Successful PhD defense of Johannes Jung

On Nov. 2, Johannes Jung defended his PhD thesis entitled "Interactions between edge states in the topological crystalline insulator Pb1−xSnxSe". Congratulation for Dr. Jung and all the best for his future in the banking business!


Funding

Recently, jointly with the research group of Prof. M.A. Schneider at the FAU Erlangen-Nürnberg, we were awarded a 3-year DFG project on the "Magnetism of one-dimensional materials systems: oxides and chalcogenides".  

This investigation will combine the expertise of our groups.  In fact, the preparation of one-dimensional transition metal oxides and chalcogenides was pioneered at FAU and some highly interesting magnetic properties were predicted.  As so oftne in science, reality turned out to be even more fascinating than our expectations, when complicated, indirectly coupled spin spirals were found to exist in manganese oxide chains. In the next three years we will study a broad variety of transition metals.  Stay tuned!

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Lehrstuhl für Experimentelle Physik II
Am Hubland
97074 Würzburg

Tel.: +49 931 31-85756
Fax: +49 931 31-85158
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