illuminated Helium laboratory from outside through the window

Conferences & Workshops

Sept. 15-20, 2019


ECASIA19: 18th European Conference on Applications of Surface and Interface Analysis

Sept. 13-20, 2019

 Summer School Spectroelectrochemistry, IFW Dresden
May 20/21, 2019 International Workshop "Topology meets materials – Weizmann meets Dresden", IFW Dresden
March 28/29, 2019 

International Workshop "Quantum Dynamics, Transport, and Exotic Orders: Strolling among Spins and Strong Correlations", IFW Dresden

March 28/29, 2019 Joint workshop of BAM Berlin and IFW Dresden, IFW Dresden

Dec. 4-5. 2018

 UKRATOP Workshop, IFW Dresden

Oct. 1 – 2, 2018


SAW Symposium, Westin Bellevue Dresden, Dresden, Germany

Aug. 28-30, 2018 Spin , waves & interactions 2018, Greifswald, Germany

April 8- 11, 2018


667. WE-Heraeus-Seminar on System-oriented approach to thermoelectrics: Materials – Interfaces – Devices in Bad Honnef, Germany

March 11-16, 2018


Joint Conference of the Condensed Matter Divisions of the DPG and EPS,

  • Session "Geometry and Topology-Controlled Nanoarchitectures", organized by Prof. Dr. V. Fomin, IFW Dresden
  • Symposium “Topology in Condensed Matter Physics (SYTO)”, co-organizer Prof. Dr. Jeroen van den Brink, IFW Dresden
  • Symposium “Voltage Control of Functional Interfaces: Magneto-ionic Meet Memristive Systems (SYVC)”, Co-organizer Dr. Karin Leistner, IFW Dresden

Feb. 1, 2018


Workshop of the DFG Priority Programme 1458 “High Temperature Superconductivity in Iron Pnictides“, IFW Dresden

Jan.  29-31, 2018


EPSQMat 2018: International Workshop on Electron and photon spectroscopies of quantum materials: status and perspectives, IFW Dresden

Lectures this week

Lectures next week

Montag 29.04.2019
Ort IFW Dresden D2E.27
Referent Sebastian Schimmel
Thema Design of a 30 mK scanning tunneling microscope and first measurements on NbSe2 and Bi2201
Eingeladen von Prof. Dr. Bernd Büchner

Freitag 03.05.2019
Ort IFW Dresden D2E.27
Referent Oleksandr Dobrovolskiy
Thema Superconducting nanoscale devices for on-chip generation and detection of microwave radiation
Most of superconductors in a magnetic field are penetrated by a lattice of quantized flux quanta, also known as Abrikosov vortices. In the presence of a transport current causing the vortices to cross sample edges, emission of electromagnetic waves is expected due to the continuity of tangential components of the fields at the surface. Usually, the radiated power levels are low because of small surface areas crossed by vortices and lacking coherence in the vortex motion.

In my talk, I will present two approaches to detect microwave radiation from vortex motion in Nb films and Mo/Si superlattices. In the Nb films, a periodic nanowire antenna placed near the film surface allows for the detection of the ac voltage induced by coherently moving fluxons. As distinct from this, the internal periodicity of the structure itself is exploited for tuning the vortex dynamics into a coherent fashion resulting in robust microwave emission in the Mo/Si superlattice.

In all, it will be demonstrated that the lattice of Abrikosov vortices in superconductors can act as a dc-tunable microwave generator bridging the frequency gap between conventional radiofrequency oscillators and (sub-)terahertz generators relying upon the Josephson effect.

In addition, I will dwell on the interaction of the vortex lattice with spin waves in superconductor / ferromagnet hybrides [3] and the phenomenon of microwave-stimulated superconductivity in the vortex state [4].

Eingeladen von Prof. Dr. Vladimir Fomin
Kontakt Kristina Krummer

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