Th. Rasing
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Ultrafast Ferromagnetic Spin Switching by a Single Pair of Optical Pulses Open
All-optical magnetic recording potentially realizes orders of magnitude faster and more energy-efficient writing of magnetic bits but all-optical switching of ferromagnets is so far ultraslow. Here, we demonstrate a new mechanism to all-op…
All-Optical Switching: A Path to Recording Technology Beyond HAMR Open
Contains fulltext : 317986.pdf (Publisher’s version ) (Open Access)
View article: Laser-induced helicity and texture-dependent switching of nanoscale stochastic domains in a ferromagnetic film
Laser-induced helicity and texture-dependent switching of nanoscale stochastic domains in a ferromagnetic film Open
Controlling magnetic textures at ever smaller length and time scales is of key fundamental and technological interest. Achieving nanoscale control often relies on finding an external stimulus that is able to act on that small length scales…
Optical read-out and control of antiferromagnetic Néel vector in altermagnets and beyond Open
Contains fulltext : 315326.pdf (Publisher’s version ) (Open Access)
View article: The 2024 magnonics roadmap
The 2024 magnonics roadmap Open
Magnonics is a research field that has gained an increasing interest in both the fundamental and applied sciences in recent years. This field aims to explore and functionalize collective spin excitations in magnetically ordered materials f…
Optical read-out and control of antiferromagnetic Neel vector in altermagnets and beyond Open
Finding methods for the most efficient and fastest detection and control of magnetic domains in antiferromagnets is presently among the main challenges of magnetic research at large. We analyse the problem of optical read-out and control o…
View article: Phase diagrams for magnetic field and temperature induced ferromagnetism in antiferromagnetic FeRh
Phase diagrams for magnetic field and temperature induced ferromagnetism in antiferromagnetic FeRh Open
\n Contains fulltext :\n 299259.pdf (Publisher’s version ) (Open Access)\n
Magneto-optical diffraction of visible light as a probe of nanoscale displacement of domain walls at femtosecond timescales Open
Using diffraction of femtosecond laser pulses of visible light by a magnetic domain pattern in an iron garnet, we demonstrate a proof of concept of time-resolved measurements of domain pattern movements with nanometer spatial and femtoseco…
Ultrafast laser-induced spin–lattice dynamics in the van der Waals antiferromagnet CoPS3 Open
CoPS3 stands out in the family of the van der Waals antiferromagnets XPS3 (X = Mn, Ni, Fe, and Co) due to the unquenched orbital momentum of the magnetic Co2+ ions, which is known to facilitate the coupling of spins to both electromagnetic…
Dynamics of all-optical single-shot switching of magnetization in Tb/Co multilayers Open
Recent works have shown that the magnetization of Tb/Co multilayers can be switched all-optically by a single ultrashort laser pulse. Surprisingly, the same process cannot be achieved in TbCo alloys. Here, we present a plausible explanatio…
Ultrafast laser-induced spin-lattice dynamics in the van der Waals antiferromagnet CoPS3 Open
CoPS3 stands out in the family of the van der Waals antiferromagnets XPS3 (X=Mn, Ni, Fe, Co) due to the unquenched orbital momentum of the magnetic Co2+ ions which is known to facilitate the coupling of spins to both electromagnetic waves …
Terahertz wave rectification in a ferroelectric triglycine sulfate single crystal Open
The effect of optical rectification (OR) in the terahertz range (THz rectification, TR) is experimentally demonstrated. The effect consists of generating a DC voltage on the faces of a ferroelectric triglycine sulfate (TGS) single crystal …
Benchmarking energy consumption and latency for neuromorphic computing in condensed matter and particle physics Open
The massive use of artificial neural networks (ANNs), increasingly popular in many areas of scientific computing, rapidly increases the energy consumption of modern high-performance computing systems. An appealing and possibly more sustain…
View article: Correction to “Terahertz Magnon-Polaritons in TmFeO<sub>3</sub>”
Correction to “Terahertz Magnon-Polaritons in TmFeO<sub>3</sub>” Open
[This corrects the article DOI: 10.1021/acsphotonics.7b01402.].
Laser‐Induced Transient Anisotropy and Large Amplitude Magnetization Dynamics in a Gd/FeCo Multilayer Open
Ultrafast laser‐induced dynamics in a ferrimagnetic gadolinium iron cobalt (Gd/FeCo) multilayer with a magnetization compensation temperature of T M = 320 K is studied at room temperature as a function of laser‐fluence and strength of the …
Study of Domain Wall Dynamics in GdFeCo Using Double High-Speed Photography Open
Contains fulltext : 291629.pdf (Publisher’s version ) (Open Access)
Benchmarking energy consumption and latency for neuromorphic computing in condensed matter and particle physics Open
The massive use of artificial neural networks (ANNs), increasingly popular in many areas of scientific computing, rapidly increases the energy consumption of modern high-performance computing systems. An appealing and possibly more sustain…
View article: Thickness‐Dependent High‐Temperature Piezo‐ and Ferro‐Electricity in a Fluorenone‐Based Molecular Crystal
Thickness‐Dependent High‐Temperature Piezo‐ and Ferro‐Electricity in a Fluorenone‐Based Molecular Crystal Open
Organic polar crystalline materials, featuring the merits of lightweight, flexibility, and low fabrication costs, are emerging as promising alternatives for inorganic ferroelectrics, but so far, they are not competitive. The main reasons a…
Ultrafast kinetics of the antiferromagnetic-ferromagnetic phase transition in FeRh Open
Understanding how fast short-range interactions build up long-range order is one of the most intriguing topics in condensed matter physics. FeRh is a test specimen for studying this problem in magnetism, where the microscopic spin-spin exc…
Efficient All-Optical Helicity Dependent Switching of Spins in a Pt/Co/Pt Film by a Dual-Pulse Excitation Open
All-optical helicity dependent switching (AO-HDS), deterministic control of magnetization by circularly polarized laser pulses, allows to efficiently manipulate spins without the need of a magnetic field. However, AO-HDS in ferromagnetic m…
Training and pattern recognition by an opto-magnetic neural network Open
Neuromorphic computing aims to mimic the architecture of the human brain to carry out computational tasks that are challenging and much more energy consuming for standard hardware. Despite progress in several fields of physics and engineer…
Magnetization reversal of a ferromagnetic Pt/Co/Pt film by helicity dependent absorption of visible to near-infrared laser pulses Open
The practical difficulty in distinguishing the impact of magnetic circular dichroism and the inverse Faraday effect fuels intense debates over which mechanism predominantly drives the process of helicity dependent all-optical switching of …
Domain Wall Deceleration in a Ferrite–Garnet Film by Femtosecond Laser Pulses Open
Contains fulltext : 247890.pdf (Publisher’s version ) (Open Access)
Nonlinear Optical Properties and Applications of Fluorenone Molecular Materials Open
Fluorenone molecular materials provide an excellent platform to engineer new materials that are very promising for photonic and optoelectronic applications, such as very efficient optical second harmonic (SHG) and terahertz (THz) generatio…
Pattern recognition by optically induced surface currents in a magnetic neural network. Open
The search for energy-efficient alternatives for computer data processing urges us to look at the neural architecture of our brain, as it indeed uses much less energy than a computer. While working on one such alternative, we built a neura…
Fully Controllable Structural Phase Transition in Thermomechanical Molecular Crystals with a Very Small Thermal Hysteresis Open
The construction of a practical crystalline molecular machine faces two challenges: to realize a collective molecular movement, and to amplify this movement into a precisely controlled mechanical response in real time and space. Thermosali…
Ultrafast demagnetization in a ferrimagnet under electromagnetic field\n funneling Open
The quest to improve density, speed and energy efficiency of magnetic memory\nstorage has led to exploration of new ways of optically manipulating magnetism\nat the ultrafast time scale, in particular in ferrimagnetic alloys. While\nall-op…
All-optical spin switching probability in [Tb/Co] multilayers Open
Since the first experimental observation of all-optical switching phenomena, intensive research has been focused on finding suitable magnetic systems that can be integrated as storage elements within spintronic devices and whose magnetizat…