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News from the Solid State Chemistry Department

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Good news for future tech: Exotic "topological" materials are surprisingly common

February 28, 2019
Once thought rare, strangely behaving substances called "topological materials" are in fact quite common, a finding that bodes well for their potential use in future electronics. An international team of researchers has assembled an online catalogue, based on the periodic table, to make it easy to design new versions of these unusual materials. [more]
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Influential authors, Max Planck Press Release

November 29, 2018
76 Max Planck scientists among the most highly cited researchers 2018 [more]
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Winner of the 2019 James C. McGroddy Prize for New Materials

October 26, 2018
We are very pleased to announce that Dr. Claudia Felser was awarded with the James C. McGroddy Prize for New Materials for the year 2019. [more]
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Materialien nach Maß

October 16, 2018
Marmor, Stein und Eisen bricht, aber Quantenmaterialien nicht - Exzellenzcluster ct.qmat der Universitäten Dresden und Würzburg [more]
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Electrons go with the flow

October 05, 2018
Hydrodynamic electron flow can only be observed in high-purity quantum materials. An international team of members from the IBM Research Laboratory Zurich, the University of Hamburg and the Max Planck Institute for Chemical Physics of Solids has now found signatures of electron hydrodynamics in the semimetal tungsten diphosphide. The results were published in the journal Nature Communications. [more]
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Winner of the 2017 Pat Goldberg Memorial Best Paper Award

September 24, 2018
We are very pleased to announce that in this year Johannes Gooth’s 2017 paper in Nano Letters on “Ballistic One-Dimensional InAs Nanowire Cross-Junction Interconnects” was selected by the committee. [more]
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Topological semimetals for potential energy conversion application

September 14, 2018
In a recent study, scientists from the Max Planck Institute for Chemical Physics of Solids in Dresden have performed a comprehensive study of thermoelectric and thermomagnetic properties of polycrystalline Weyl semimetal NbP. [more]
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Welcome to the MPI CPfS:
Johannes Gooth, Max Planck Research Group Leader

August 31, 2018
The Max Planck Institute for Chemical Physics of Solids welcomes the physicist Dr. Johannes Gooth, who will build and manage his Max Planck Research Group from the beginning of October. [more]
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GdPtBi, the drosophila for Weyl

August 30, 2018
Magneto-transport experiments of GdPtBi show anomalous Hall effect, chiral anomaly effect and non-zero Berry phase which establish the properties of Weyl physics. All these properties are independent of crystallographic directions. This study confirm that magnetism plays a major role in creating Weyl Fermions via exchange splitting of bands in GdPtBi. [more]
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Heusler, Weyl and Berry

August 20, 2018
Scientists at the Max Planck Institute Chemical Physics of Solids have written a review paper about magnetic topological materials in the family of Heusler compounds. The review explains the connection between topology, symmetry and magnetism at a level suitable for undergraduate students in physics, chemistry and materials science with a basic knowledge of condensed matter physics.   [more]
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Humboldt fellowship for Kathryn Arpino

August 16, 2018
The Alexander von Humboldt foundation has selected Kathryn Arpino for a Humboldt Research Fellowship for postdoctoral researchers. [more]
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The marriage of topology and magnetism in a Weyl system

July 31, 2018
Topology is a global aspect of materials, leading to fundamental new properties for compounds with large relativistic effects. The incorporation of heavy elements give rise to non-trivial topological phases of matter, such as topological insulators, Dirac and Weyl semimetals. The semimetals are characterized by band-touching points with linear dispersion, similar to massless relativistic particles in high energy physics. [more]
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The Quantum Sound of Metals

July 16, 2018
The Yearbook 2018 of the Max Planck Society is online. [more]
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Satya Narayan Guin receives a Humboldt Research Fellowship for Postdoctoral Researchers

April 03, 2018
The Alexander von Humboldt foundation, Germany, awarded Satya a Humboldt Research Fellowship for postdoctoral researchers. He is currently working as a postdoc with Prof. Claudia Felser. [more]
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Leopoldina: Claudia Felser

March 23, 2018
Since the beginning of the year, Claudia Felser has been a member of the Leopoldina. [more]
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GDCh: Claudia Felser

February 16, 2018
Structural changes have occurred with the new year in the „Gesellschaft Deutscher Chemiker“, the society for German Chemists: Professor Felser is now the new head of the research group for solid-state chemistry and material research.  [more]
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Charge Order and Electron Localization in a Molecule-Based Solid 

January 20, 2018
Charge ordering in cationic mixed-valence compounds is of crucial importance for materials science. The prototypic example for a transition from a charge-disordered  to a charge-ordered state has been magnetite, Fe3O4, where Evert Verwey  observed a sudden jump in resistivity near -150°C. In the journal Science Advances now a research team of scientists from Germany and Slovenia reports a Verwey-type charge-ordering transition in a different class of mixed-valence compounds which is composed of negatively charged dioxygen molecules. [more]
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Ultraclean metal-like conductivity in semimetallic WP2

November 27, 2017
Ultraclean metals show high conductivity with a high number of charge carriers, whereas semiconductors and semimetals with low charge carriers normally show a low conductivity. This scenario in semimetals can be changed if one can protect the carriers from scattering.  [more]
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The Iron Age: about the understanding of the new iron-based high-temperature superconductors and related compounds

November 24, 2017
In the new iron-based superconductors (FeSC), superconductivity occurs close to an antiferromagnetic phase. This indicates that correlation effects may be important in these materials. Theoretical calculations predict that different from cuprates, besides the on-site Coulomb interaction also the on-site Hund exchange interaction plays an important role in the correlation effects of FeSCs. This would mean that a completely new state of correlated matter has appeared which has been termed “Hund’s metal”. [more]
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Robust Bain distortion in the premartensite phase of a platinum-substituted Ni2MnGa magnetic shape memory alloy

October 23, 2017
The premartensite phase of shape memory and magnetic shape memory alloys is believed to be a precursor state of the martensite phase with preserved austenite phase symmetry. The thermodynamic stability of the premartensite phase and its relation to the martensitic phase is still an unresolved issue, even though it is critical to the understanding of the functional properties of magnetic shape memory alloys. [more]
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Bit data goes anti-skyrmions

September 01, 2017
Today’s world, rapidly changing because of “big data”, is encapsulated in trillions of tiny magnetic objects – magnetic bits – each of which stores one bit of data in magnetic disk drives.   A group of scientists from the Max Planck Institutes in Halle and Dresden have discovered a new kind of magnetic nano-object in a novel material that could serve as a magnetic bit with cloaking properties to make a magnetic disk drive with no moving parts – a Racetrack Memory – a reality in the near future. [more]
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Dr. Enke Liu honored with National Science Fund for Excellent Young Scholars

September 01, 2017
The National Natural Science Foundation of China honors Dr. Enke Liu, a Humboldt research fellow of the Alexander von Humboldt Foundation, with the 2017 National Science Fund for Excellent Young Scholars for his great contribution to magnetic phase transitions. This scholarship serves as a substantial bolster to the young talents in China. [more]
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Topological Quantum Chemistry

July 20, 2017
Researchers find path to discovering new topological materials, holding promise for technological applications. [more]
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IBM Scientists Observe Elusive Gravitational Effect in Solid-State Physics

July 19, 2017
Previously thought to only occur in the early stages of the universe and within neutron stars and black holes [more]
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PETMEM Meeting

June 22, 2017
The PETMEM consortium met at MPI-CPfS Dresden on the 15th and 16th of June 2017 for the Month-18 consortium meeting. [more]
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Prof. Claudia Felser receives her second ERC Advanced Grant

April 11, 2017
With this prestigious grant of the European Research Council, Claudia Felser and her team will study single crystals of topological materials and their physical properties. She will receive more than two million Euros over a period of five years. Using this grant, they plan to engineer this new class of quantum materials via the synthesis of high quality single crystals and tune their topological phase transitions, transport properties and surface states by the application of electric and magnetic fields and high pressure. To further boost topological science in Europe, a single crystal platform will be established within the project. The institute sincerely congratulates Claudia Felser on this success! [more]
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Ajaya K. Nayak appointed Assistant Professor at the School of Physical Science, National Institute of Science Education and Research (NISER), Bhubaneswar, India

March 31, 2017
Ajaya K. Nayak has been working in the group of Prof. Claudia Felser since 2011. Recently, he has been appointed as an Assistant Professor at the "School of Physical Science, National Institute of Science Education and Research (NISER), Bhubaneswar, India". In the new institute, he will be continuing his research on skyrmions and other related topics in collaboration with Prof. Felser. [more]
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Symposium on Heusler compounds as hardmagnetic materials

March 24, 2017
The symposium was organized by a joint initiative of the Max Planck Institute for Chemical Physics of Solids in Dresden, the Max Planck Institute of Microstructure Physics in Halle, the Fraunhofer Institute for Microstructure of Materials and Systems in Halle, and the Fraunhofer Institute for Mechanics of Materials in Freiburg. The goal of the symposium was to present and to discuss current concepts and latest advancements of Heusler compounds as hardmagnetic materials with participation of industrial partners. [more]
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Weyl semimetals split water

March 24, 2017
Catalysis significantly affects our way of life. Catalysis plays an important role in many biological and technological processes.  For example, the world’s food supply is based on a famous catalytic process – the Haber Bosch process, that converts hydrogen and nitrogen into ammoniac which is then used as the central ingredient for fertilizers.  Gaining improved understanding of catalysis at the fundamental level of atomic orbitals, chemical interactions, energetics and symmetry is a very active field in chemistry. [more]
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Sanjay Singh leaving for the School of Materials Science and Technology at the Indian Institute of Technology (IIT-BHU), Varanasi, India

February 13, 2017
Sanjay Singh has been working as a group leader in the Solid State Chemistry department of Prof. Claudia Felser. He has joined as an assistant professor in the School of Materials Science and Technology at the Indian Institute of technology (IIT-BHU), Varanasi, India. He will be actively collaborating with Prof. Claudia Felser and his colleagues in MPI-CPfS. [more]
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