Aug 19, 2022

Our paper on EuO thin films has been published in PRB:

July 1, 2021

Welcome Xiao Hou, a new PhD student! Xiao will be working on growth and characterization of the topological insulator/superconductor interfaces using MBE, TEM, and ARPES. The position is funded through the ML4Q Excellence Cluster.

March 2021

We have mounted a new manipulator that will allow cooling the sample to below 10K. We are looking forward to testing it when the lab operations are allowed.

February 1, 2021

Welcome Honey Boban, a new PhD student! Honey will be working on magnetic 2D materials. The position is funded through the DFG project.

November 1, 2020

Welcome Mohammed Qahosh, a new PhD student! Mohammed will be working on magnetic topological insulators. The position is funded through the PGSB.

Summer and Fall 2020

The work in FZ Juelich has been affected by COVID restrictions. Fortunately, during the time when operations were allowed Tristan was able to complete the calibration of our laser spin-ARPES and perform interesting measurements.

December 2019

We made successful measurements on Bharti’s twisted 2D layers at the MAESTRO beamline at ALS.

March 7, 2019

Our review paper on 3D topological insulators has been published in J. Phys. Condensed Matter:

January 31, 2019

Ewa’s paper on magnon kink in Fe has been published in Nature Communications:

January 2, 2019

Welcome Kevin Janßen, a new PhD student! Kevin has a joint appointment between PGI-6 and PGI-9.

September 17, 2018

We have collaborated on work on surface transport in topological insulators:

August 17, 2018

We have collaborated on work on electronic band structure of GaMnAs:

October 30, 2017

Welcome Yinshang Liu, a new PhD student! Yinshang holds a China Scholarship Council stipend, we are very happy he has chosen to work in our group.

October 4, 2017

Welcome Bharti Parashar, a new PhD student!

September 22, 2017

An upgrade of our ARPES system has been granted by the FZJ Board of Directors! We will have a new scanning lens, a 6 eV cw laser, and a 5K manipulator.

July 31, 2017

Mathias’ paper on ReS is published at NanoLetters:

July 28, 2017

Two joint projects have been granted by the FZJ Board of Directors! Our group will have 2 additional PhD students starting in 2018 (joint with theory and quantum transport groups in Juelich).

One project (together with theory) is on antiferromagnetic spin dynamics.

Second project (together with quantum transport) is on transport and spectroscopy on novel topological phases.

June 12, 2017

We have collaborated on work on electrical resistance in topological insulators:

May 18, 2017

Pika’s paper is now at the arXiv server:

April 21, 2017

Mathias’ has successfully defended his PhD thesis. Congratulations!

April 21, 2017

Markus’ paper on Bi1Te1 is published in Nature Communications:

February 15, 2017

Mathias’ paper Direct observation of the band gap transition in atomically thin ReS2 is now at the arXiv preprint server:

October 28, 2016

Ewa’s paper on spin-orbit gaps and Fermi surface manipulation in Fe is accepted at PRX

June 2016

Prof. Shigemasa Suga (Osaka University) is a visiting scientist in our lab in Juelich for 3 months

June 1 2016

Mathias paper is published in Scientific Reports

May 23, 2016

Markus successfully defended his PhD thesis entitled Band Structure Engineering in 3D Topological Insulators Investigated by Angle-Resolved Photoemission; the thesis/dissertation was awarded with the distinction (summa cum laude)

May 1 2016

Tristan Heider joins as a PhD student to work on topological insulators project

Apr 29 2016

Markus’ paper Bi1Te1: a dual topological insulator is now at the arXiv preprint server:

Dec 2015

Paper in collaboration with the group of Prof. Morgenstern (RWTH Aachen) entitled “Tuning the Dirac point to the Fermi level in the ternary topological insulator (Bi1−xSbx)2Te3” by J. Kellner et al. is published in Applied Physics Letters

Nov 2015

Markus’ paper is published in Nature Communications

Press release

Upgraded delay-line detector (DLD) mounted in Dortmund

Oct 2015

FeO-based spin polarimeter is now permanently integrated with the hemispherical analyzer in Juelich

Oct 13 2015

Mathias’s paper Quasi 2D electronic states with high spin-polarization in centrosymmetric MoS2 bulk crystals is now at the arXiv preprint server:

Oct 9 2015

Markus’s paper Realization of a vertical topological p-n junction in epitaxial Sb2Te3/Bi2Te3 heterostructures is now at the arXiv preprint server:

June-October 2015

Our setup has been upgraded with a 6 eV laser-based setup (using Ti-Sa oscillator) which allows high resolution ARPES and spinARPES studies with light polarization control.

Prof. Shigemasa Suga (Osaka University) is a visiting scientist in our lab in Juelich

August 2015

Pika joins the group as a PhD student within the EpiSpin project

July 2015

Pika defended her Master’s Thesis: Laser-based ARPES study of spin-orbit coupling effects on solid state surfaces at University of Cologne, Faculty of Mathematics and Natural Sciences

November 2014

Ewa was awarded HGF funding within Helmholtz Postdoctoral Programme for her project EpiSpin

January 2014

Prof. Leyla Colakerol (Gebze Institute of Technology, Turkey) is vising our lab to characterize her samples