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News 08.02.2019
Poster prize for Benedikt Frohn at the "Graphene Study 2019"

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08.02.2019

Poster prize for Benedikt Frohn at the "Graphene Study 2019"

Benedikt Frohn won the 1st poster prize at the "Graphene Study 2018" in Obergurgl (Austria) with his poster on "Gate-defined electron-hole double dots in bilayer graphene". Congratulations!

The 3rd poster prize went to Rebekka Garreis from the Ensslin group (ETH Zurich) with a very nice poster on charge detection in bilayer graphene quantum dots. Allowing one to conclude that soft-confinement in bilayer graphene is indeed highly promising.

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05.02.2019

2D-ForMe - Kick-Off

A big push for RWTHs 2D materials activities. The Federal Ministry for Education and Research (BMBF) provides 9.3 million euros for the research lab “2D-ForMe". More information can be found here.

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25.01.2019

ERC Consolidator Grant for Christoph Stampfer

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For the second time Christoph Stampfer has been awarded a prestigious ERC Grant. After an ERC Starting Grant on “Graphene Quantum Electromechanical Systems” in 2011, he now receives a Consolidator Grant to work with his team on “2D Materials for Quantum Technologies”.

Press release on the website of RWTH Aachen University.

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24.01.2019

JARA-FIT Annual Report 2017

The JARA-FIT Annual Report 2017 is now available and gives an overview about the different occurrences like events, honours and research results. The reports also contains a current list of JARA members and involved institutes. Research reports give a summery about the work an development of the section.

The JARA-FIT Annual Report 2017 can be found here.

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23.01.2019

ML4Q - Kick-Off

The ML4Q (Matter and Light for Quantum Computing) homepage is now online, see https://ml4q.de

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01.01.2019

Happy New Year 2019!

Happy New Year 2019!

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20.12.2018

"56. ATG - Winterlauf" 2018

Our Institute participated successfully in the "56. ATG - Winterlauf" 2018. Despite the freezing cold temperatures and snow covered trails our colleagues put race numbers on and lined up with over 2500 other atheletes for the iconic 18,3 km long cross country run from Mulartshütte to Aachen. Alex (1:37:15), Markus (1:28:22) and Michael (1:14:10) as well as our very own Prof. em. Güntherodt (1:56:36) mastered the course and even had some energy left to smile for a finisher foto. Gratulations!

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04.12.2018

New Publication: Proximity-induced spin-orbit coupling in graphene/Bi1.5Sb0.5Te1.7Se1.3 heterostructures

Phys. Rev. B 98, 241402(R)(2018)
The weak intrinsic spin-orbit coupling in graphene can be greatly enhanced by proximity coupling. Here, we report on the proximity-induced spin-orbit coupling in graphene transferred by hexagonal boron nitride (hBN) onto the topological insulator Bi1.5Sb0.5Te1.7Se1.3(BSTS) which was grown on a hBN substrate by vapor solid synthesis. Phase coherent transport measurements, revealing weak localization, allow us to extract the carrier density-dependent phase coherence length lφ. While lφ increases with increasing carrier density in the hBN/graphene/hBN reference sample, it decreases in graphene/BSTS due to the proximity coupling of BSTS to graphene. The latter behavior results from D'yakonov-Perel'-type spin scattering in graphene with a large proximity-induced spin-orbit coupling strength of at least 2.5 meV.

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