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- Technische Universität DresdenDE676 papers
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13 papers · 2 filters
Kekule' textures, pseudo-spin one Dirac cones and quadratic band crossings in a graphene-hexagonal indium chalcogenide bilayer
Gianluca Giovannetti, Massimo Capone, Jeroen van den Brink +1
Using density-functional theory, we calculate the electronic bandstructure of single-layer graphene on top of hexagonal In_2Te_2 monolayers. The geometric configuration with In and…
Energy-tunable sources of entangled photons: a viable concept for solid-state-based quantum relays
Rinaldo Trotta, Javier Martín-Sánchez, Istvan Daruka +2
We propose a new method of generating triggered entangled photon pairs with wavelength on demand. The method uses a micro-structured semiconductor-piezoelectric device capable of d…
Structure and Giant Inverse Magnetocaloric Effect of Epitaxial Ni-Co-Mn-Al Films
Niclas Teichert, Daniel Kucza, Oguz Yildirim +10
The structural, magnetic, and magnetocaloric properties of epitaxial Ni-Co-Mn-Al thin films with different compositions have been studied. The films were deposited on MgO(001) subs…
Surface aligned magnetic moments and hysteresis of an endohedral single-molecule magnet on a metal
Rasmus Westerström, Anne-Christine Uldry, Roland Stania +10
The interaction between the endohedral unit in the single-molecule magnet DyScN@C and a rhodium (111) substrate leads to alignment of the Dy 4 orbitals. The resulting…
Increased magnetocrystalline anisotropy in epitaxial Fe-Co-C thin films with spontaneous strain
Ludwig Reichel, George Giannopoulos, Sandra Kauffmann-Weiss +8
Rare earth free alloys are in focus of permanent magnet research since the accessibility of the elements needed for nowadays conventional magnets is limited. Tetragonally strained…
Element-resolved thermodynamics of magnetocaloric LaFeSi
M. E. Gruner, W. Keune, B. Roldan Cuenya +10
By combination of two independent approaches, nuclear resonant inelastic X-ray scattering and first-principles calculations in the framework of density functional theory, we determ…