10.9k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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14 papers · 2 filters
Imaginary crystals made real
Simone Taioli, Ruggero Gabbrielli, Stefano Simonucci +2
We realize Lobachevsky geometry in a simulation lab, by producing a carbon-based mechanically stable molecular structure, arranged in the shape of a Beltrami pseudosphere. We find…
Room-temperature spin-orbit torque in NiMnSb
C. Ciccarelli, L. Anderson, V. Tshitoyan +11
Materials that crystalize in diamond-related lattices, with Si and GaAs as their prime examples, are at the foundation of modern electronics. Simultaneoulsy, the two atomic sites i…
Generation of high-frequency strain waves during femtosecond demagnetization of Fe/MgO films
T. Henighan, M. Trigo, S. Bonetti +22
We use femtosecond time-resolved hard x-ray scattering to detect coherent acoustic phonons excited during ultrafast laser demagnetization of bcc Fe films. We determine the lattice…
Optical investigation of magneto-structural phase transition in FeRh
V. Saidl, M. Brajer, L. Horak +9
Magneto-structural phase transition in FeRh epitaxial layers was studied optically. It is shown that the transition between the low-temperature antiferromagnetic phase and the high…
Multiple-stable anisotropic magnetoresistance memory in antiferromagnetic MnTe
D. Kriegner, K. Vyborny, K. Olejnik +10
A common perception assumes that magnetic memories require ferromagnetic materials with a non-zero net magnetic moment. However, it has been recently proposed that compensated anti…
Singles correlation energy contributions in solids
Jiří Klimeš, Merzuk Kaltak, Emanuele Maggio +1
The random phase approximation to the correlation energy often yields highly accurate results for condensed matter systems. However, ways how to improve its accuracy are being soug…
Towards room-temperature single-layer graphene synthesis by C60 Supersonic Molecular Beam Epitaxy
Roberta Tatti, Lucrezia Aversa, Roberto Verucchi +5
High-kinetic energy impacts between inorganic surfaces and molecular beams seeded by organics represent a fundamental case study in materials science, most notably when they activa…
Ab initio investigation of light-induced relativistic spin-flip effects in magneto-optics
Ritwik Mondal, Marco Berritta, Karel Carva +1
Excitation of a metallic ferromagnet such as Ni with an intensive femtosecond laser pulse causes an ultrafast demagnetization within approximately 300 fs. It was proposed that the…
Giant reversible nanoscale piezoresistance at room temperature in Sr2IrO4 thin films
Neus Domingo, Laura López-Mir, Marcos Paradinas +10
Layered iridates have been the subject of intense scrutiny on account of their unusually strong spin-orbit coupling, which opens up a narrow gap in a material that would otherwise…
Proposed parameter-free model for interpreting the measured positron annihilation spectra of materials using a generalized gradient approximation
Bernardo Barbiellini, Jan Kuriplach
Positron annihilation spectroscopy is often used to analyze the local electronic structure of materials of technological interest. Reliable theoretical tools are crucial to interpr…
Multiscale modeling of ultrafast element-specific magnetization dynamics of ferromagnetic alloys
D. Hinzke, U. Atxitia, K. Carva +4
A hierarchical multiscale approach to model the magnetization dynamics of ferromagnetic ran- dom alloys is presented. First-principles calculations of the Heisenberg exchange integ…
Room-temperature antiferromagnetic memory resistor
X. Marti, I. Fina, C. Frontera +17
The bistability of ordered spin states in ferromagnets (FMs) provides the magnetic memory functionality. Traditionally, the macroscopic moment of ordered spins in FMs is utilized t…
Surface versus bulk contributions to the giant Rashba splitting in the ferroelectric α-GeTe(111) semiconductor
J. Krempaský, H. Volfová, S. Muff +14
In systems with broken inversion symmetry spin-orbit coupling (SOC) yields a Rashba-type spin splitting of electronic states, manifested in a k-dependent splitting of the bands. Wh…
Powder diffraction in Bragg-Brentano geometry with straight linear detectors
Dominik Kriegner, Zdenek Matej, Radomir Kuzel +1
A common way of speeding up powder diffraction measurements is the use of one or two dimensional detectors. This usually goes along with worse resolution and asymmetric peak profil…