On Friday, November 29, the Aachen Graphene
and 2D Materials Center will have another cutting-edge seminar on graphene
research: Dr. Annika Kurzmann, a post-doc in Klaus Ensslin’s group at ETH
Zürich, will present her latest results on electrostatically defined quantum
dots in bilayer graphene.
The ETH group has pioneered the use of graphite gates to reduce electrostatic disorder in graphene-based devices — an advancement that has allowed demonstrating the very first quantum point contacts and the first few-electron quantum dots in bilayer graphene. As a post-doc, Annika has been pushing even further this development.
Annika is not only an expert on quantum dots
in bilayer graphene, but also on optical and transport measurements in
self-assembled quantum dots, a field which has been the subject of Master and
PhD thesis in the group of Axel Lorke at the University of Duisburg-Essen.
The seminar will be at 11:00 a.m. in room 28A301 in the Physikzentrum.
November 26th will be an eventful day at the Aachen Graphene & 2D Materials Center, featuring two IEEE Distinguished Lectures and the kickoff meeting of the ULTIMOS2 project. The lectures will be given by Prof. Tibor Grasser and Dr. Frank Schwierz within the framework of the IEEE Distinguished Lecturer Program of the Electron Devices Society (EDS). The purpose of this program is to select a list of quality lectures that contribute to the dissemination activities of the EDS, giving talks on topics that are central for the development of modern electronic devices.
Prof. Grasser is the head of the Institute for Microelectronic at TU Wien, and an expert in the characterization and modelling of electronic devices, including those based on 2D materials. One recent achievement from his group is demonstration that calcium fluoride (CaF2) can serve as ultrathin gate insulator for 2D devices, a result that has been recently published on Nature Electronics and that will also be the topic of his lecture in Aachen.
Dr. Schwierz is Privatdozent and Head of
the RF & Nano Device Research Group
at the Technische Universitaet Ilmenau, Germany. His research is focused on
novel device and material concepts for future electronics. At present, he is
particularly interested in two-dimensional (2D) electronic materials. In his
lecture, he will present his recent work in the field, which is a major
contribution to the current understanding of the merits and drawbacks of 2D
devices and 2D electronics.
The two IEEE Distinguished Lectures will take place in the Physikzentrum,
room 28A301, with the following schedule
The lectures will be followed by the kick-off meeting of the project ULTIMOS2 (Ultimate Scaling and Performance Potential of MoS2 Metal Oxide Semiconductor Field Effect Transistors). ULTIMOS2 is a project funded by the DFG, which builds on the complementary expertizes of Prof. Grasser, Dr. Schwierz and Prof. Max Lemme (AMO GmbH & RWTH Aachen University) in the fabrication, characterization and modelling of 2D electronic devices. The scope of the project is to give a sound assessment of the actual potential and limitations of MoS2 field effect transistors, by gaining a deep understanding of their physics, their scaling behavior and their process integration.
A big success for AMO and the
Aachen Graphene & 2D Materials Center
Open is a very competitive funding program within the Horizon 2020 Research and
Innovation program. It supports joint international projects aimed at radically
new technologies, favoring ideas that go well beyond the state of the art. The
competition is fierce, as the program is open to all sciences and disciplines.
At each call the number of submissions greatly exceeds the available budget.
Yet AMO has been extremely successful in the call of January 2019, winning
three granted projects.
The next big challenge in the field of graphene and 2D materials is the development of large-scale fabrication processes compatible with CMOS technology. This challenge will be the topic of a workshop organized in Aachen by AMO GmbH and RWTH Aachen University, on November 12-13, 2019.
In what could be a breakthrough for body sensor and navigation technologies, a team of scientists in Sweden and Germany has developed the smallest accelerometer yet reported, exploiting the unique mechanical and conducting properties of graphene.