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Everything is Topological

An international research team has discovered that topological electronic states are present in nearly every known material for every electron in the crystal configuration. Appearing this week in Science, the team’s discovery of ubiquitous band topology has motivated re-examining previous experimental data for overlooked topological features, and suggests that the century-old field of band theory should be restructured, with topology joining chemistry and geometry on equal footing.

A ‘fast lane’ for electrons<br /> 

The study of ultra-pure materials still has many ways to surprise and delight! For delafossite metals it was shown that wires sculpted from the same single crystal have very different resistivities depending on the angle at which they are cut.  From the fundamental physics point of view, the laws of bulk resistivity are being broken.

Friedrich Wilhelm Bessel fellowship for Joshua Goldberger<br /> 

We are happy to announce that Professor Joshua Goldberger from The Ohio State University in the United States has been awarded a Friedrich Wilhelm Bessel fellowship sponsored by the Humboldt foundation. This prestigious fellowship entitles him to spend a sabbatical in Germany, most of the time at our institute in the department of Solid State Chemistry. more

Quantum Materials out of Equilibrium

Maia Vergniory co-authored the feature story in Physics Today more

Control of Bistable Antiferromagnetic States for Spintronics

Two bistable and reversibly controllable antiferromagnetic states in strained BiFeO3 (BFO) films are discovered. These two non-volatile antiferromagnetic states are successfully patterned with a non-contact approach combining both optical and magnetic methods. The written antiferromagnetic pattern is electrically readable with at least 30% signal difference. This work promises an efficient route toward practical applications of antiferromagnetic spintronics. more

Spintronic goes chiral<br /><br /><br /> 

Spintronic devices are based on using the fundamental spin of electrons to carry and store information. Their use would not require charge currents for their operation and would lead to improved energy efficiency with lower power consumption, higher data processing speed and better integration of memory and logic. However, suitable materials for new spintronic implementations are needed. Their fabrication as well as analysis require state-of-the-art methods from nanotechnology. This is why researchers of the Max Planck Institute for Chemical Physics of Solids and the Fraunhofer Institute for Photonic Microsystems IPMS have launched a joint project to investigate novel materials for spintronics. The project is being funded by Sächsische Aufbaubank.

Wilhelm Ostwald Medal<br /> 

Claudia Felser receives the Wilhelm Ostwald Medal of the Saxon Academy of Sciences in Leipzig. more

When a band falls flat: Searching for flatness in materials

International collaboration, led by DIPC and Princeton, creates a catalogue of materials that could impact quantum technologies

Ukraine Scientific Scholarship Program Dresden (UKRAPRO)

The scholarship program aims at supporting Ukrainian scientists. more

Humboldt Research Fellowship for Sandra Ruiz Gomez

Congratulations to Sandra Ruiz Gomez, who has been awarded a Humboldt Research Fellowship in the Spin3D group! more

The interplay between Topology and Magnetism has a bright future

The new review paper on magnetic topological materials of Andrei Bernevig, Princeton University, USA, Haim Beidenkopf, Weizmann Institute of Science, Israel, and Claudia Felser, Max Planck Institute of Chemical Physics of Solids, Dresden, Germany, introduces the new theoretical concept that interweave magnetism and topology. It identifies and surveys potential new magnetic topological materials, mentions their possible future applications in spin and quantum electronics and as materials for efficient energy conversion. more

N. Kumar + J. Gayles

Dr. Nitesh Kumar and Dr. Jacob Gayles, both former group leaders in the department of Solid State Chemistry at the Max Planck Institute of Chemical Physics of Solids will head two newly established Max Planck Partner Groups.

Marie Skłodowska-Curie Fellowship for Mário Moda Piva<br /> 

Warmest congratulations to Mário Moda Piva, who has been awarded a Marie Skłodowska-Curie Individual Fellowship. more

Simplified representation of a quadrupole density wave

The unconventional superconductor CeRh2As2 may host a “quadrupole density wave” - a theorized complex ordering pattern among free electrons that has not yet been observed. more

CaCu<sub>3</sub>Ru<sub>4</sub>O<sub>12</sub>: A High-Kondo-Temperature Transition-Metal Oxide

The Kondo effect, a hallmark of the physics of correlated electrons, is extremely rarely observed in transition metal oxides.  Over half a century after its discovery, the study of the Kondo physics and related phenomena is largely limited to rare-earth compounds. Here, an international team led by scientists from the MPI CPfS, the Osaka Prefecture University, and the TU Wien demonstrate that Kondo physics is realized in CaCu3Ru4O12, a transition metal oxide with a perovskite structure.

Move to Bonn - professorship for Johannes Gooth

Prof. Dr Johannes Gooth - head of the research group "Nanostructured Quantum Matter" - has taken up the chair of experimental solid-state physics at the Rheinische Friedrich-Wilhelms-Universität in Bonn from 1 February 2022. more

Farewell Qingge!

Farewell Qingge!

January 18, 2022

Dr. Qingge Mu from the Solid State Chemistry Department has left our institute in December 2021. She has taken up an associate professor position at the Institute of Physical Science and Information Technology at the Anhui University, Hefei, China. We wish Qingge all the best for her future career. more

3D printed nanomagnets unveil a world of patterns in the magnetic field

In an international collaboration, scientists of MPI CPfS have used state-of-the-art 3D printing and microscopy to provide a new glimpse of what happens when taking magnets to three-dimensions on the nanoscale – 1000 times smaller than a human hair. The studied magnetic double helices produce topological textures in the magnetic field, opening the door to the next generation of magnetic devices.  more

Max Born Prize for Claudia Felser

The Max Born Prize, jointly awarded by the British Institute of Physics (IOP) and the DPG for particularly valuable and timely scientific contributions to physics, will be awarded in 2022 to Prof. Dr. Claudia Felser of the Max Planck Institute for Chemical Physics of Solids, Dresden. more

<br />A delicate interplay between crystal chemistry and superconductivity in noncentrosymmetric materials

Discovery and analysis of superconductivity in new classes of materials not only broadens fundamental knowledge of this phenomenon, but also brings us closer to unlocking their full application potential. In particular, unconventional superconductors offer new perspective on this century-old concept. more

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