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Condensed Matter Physics

The Condensed Matter Physics group uses the radiation of free electron laser FELIX to study both static and dynamic properties of matter.

Our research

Infrared and THz radiation is uniquely suited for studying and controlling systems such as molecules, clusters and complexes, but also electrons in metals and semiconductors, as well as the collective modes of atomic-scale particles. Our department uses the radiation of FELIX lasers for fundamental studies of matter. The research directions range from ultrafast spin and magnetization dynamics, to extreme nonlinear phononics and optics, and to a rational design of matter at an atom-by-atom level.

Research directions

Ultrafast phononic switching of magnetic order

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Circular phonons and phono-magnetism

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Strong light-matter interaction in the epsilon-near-zero regime

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Propagation of magneto-elastic waves

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Catalytic processes on a molecular level

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Geometric and electronic structure of transition metal clusters

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Our publications

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Phononic Switching of Magnetization by the Ultrafast Barnett Effect

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Author(s) C.S. Davies, F.G.N. Fennema, A. Tsukamoto, I. Razdolski, A.V. Kimel and A. Kirilyuk
Year 2024
Journal Nature 628, 540
View this paper in Nature

Epsilon-near-zero regime enables permanent ultrafast all-optical reversal of ferroelectric polarization

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Author(s) M. Kwaaitaal, D. G. Lourens, C. S. Davies & A. Kirilyuk
Year 2024
Journal Nature Photonics 18, 569
View this paper in Nature Photonics

Ultrafast optical manipulation of magnetic order

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Author(s) A. Kirilyuk, A.V. Kimel, and Th. Rasing
Year 2010
Journal Reviews of Modern Physics 82, 2731
View this paper in Reviews of Modern Physics

Our projects

Research

ERC Starting Grant – Circular phonons and magnetism

Read more about ERC Starting Grant – Circular phonons and magnetism
Research

ERC Advanced Grant – Interactive phononic matter

Read more about ERC Advanced Grant – Interactive phononic matter

Group members

Working at HFML-FELIX

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