C. Laubschat
YOU?
Author Swipe
View article: Long-lived spin waves in a metallic antiferromagnet
Long-lived spin waves in a metallic antiferromagnet Open
View article: Crystal electric field and properties of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>4</mml:mn><mml:mi>f</mml:mi></mml:mrow></mml:math> magnetic moments at the surface of the rare-earth compound <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>TbRh</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>Si</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math>
Crystal electric field and properties of magnetic moments at the surface of the rare-earth compound Open
The crystal electric field (CEF) plays an essential role in defining the magnetic properties of 4f materials. It forces the charge density of 4f electrons and the related magnetic moment to be oriented along a certain dir…
View article: Strong Rashba Effect and Different <i>f</i>−<i>d</i> Hybridization Phenomena at the Surface of the Heavy‐Fermion Superconductor CeIrIn<sub>5</sub>
Strong Rashba Effect and Different <i>f</i>−<i>d</i> Hybridization Phenomena at the Surface of the Heavy‐Fermion Superconductor CeIrIn<sub>5</sub> Open
New temperature scales and remarkable differences from bulk properties have increasingly placed the surfaces of strongly correlated f materials into the focus of research activities. Applying first‐principles calculations and angle‐resolve…
View article: Classical and cubic Rashba effect in the presence of in-plane <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mn>4</mml:mn><mml:mi>f</mml:mi></mml:math> magnetism at the iridium silicide surface of the antiferromagnet <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mrow><mml:mi>GdIr</mml:mi></mml:mrow><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mrow><mml:mi>Si</mml:mi></mml:mrow><mml:mn>2</mml:mn></mml:msub></mml:math>
Classical and cubic Rashba effect in the presence of in-plane magnetism at the iridium silicide surface of the antiferromagnet Open
We present a combined experimental and theoretical study of the two-dimensional electron states at the iridium-silicide surface of the antiferromagnet GdIr2Si2 above and below the Néel temperature. Using angle-resolved photoemission spectr…
View article: Correction: Influence of 4f filling on electronic and magnetic properties of rare earth-Au surface compounds
Correction: Influence of 4f filling on electronic and magnetic properties of rare earth-Au surface compounds Open
Correction for ‘Influence of 4f filling on electronic and magnetic properties of rare earth-Au surface compounds’ by L. Fernandez et al. , Nanoscale , 2020, 12 , 22258–22267, DOI: 10.1039/D0NR04964F.
View article: Photoelectron diffraction for probing valency and magnetism of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>4</mml:mn><mml:mi>f</mml:mi></mml:mrow></mml:math>-based materials: A view on valence-fluctuating <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>EuIr</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>Si</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math>
Photoelectron diffraction for probing valency and magnetism of -based materials: A view on valence-fluctuating Open
We present and discuss the methodology for modeling 4f photoemission spectra, 4f photoelectron diffraction (PED) patterns, and magnetic dichroism effects for rare-earth-based materials. Using PED and magnetic dichroism in photoemission, we…
View article: Unexpected differences between surface and bulk spectroscopic and implied Kondo properties of heavy fermion CeRh2Si2
Unexpected differences between surface and bulk spectroscopic and implied Kondo properties of heavy fermion CeRh2Si2 Open
Ultra-violet angle-resolved photoemission spectroscopy (UV-ARPES) was used to explore the temperature dependence of the Ce-4 f spectral responses for surface and bulk in the antiferromagnetic Kondo lattice CeRh 2 Si 2 . Spectra were taken …
View article: Spin structure of spin-orbit split surface states in a magnetic material revealed by spin-integrated photoemission
Spin structure of spin-orbit split surface states in a magnetic material revealed by spin-integrated photoemission Open
The emergence of ferromagnetism in Rashba systems, where the evolving exchange interaction enters into competition with spin-orbit coupling, leads to a nontrivial spin-polarized electronic landscape with an intricate momentum-dependent spi…
View article: Cubic Rashba Effect in the Surface Spin Structure of Rare-Earth Ternary Materials
Cubic Rashba Effect in the Surface Spin Structure of Rare-Earth Ternary Materials Open
Spin-orbit interaction and structure inversion asymmetry in combination with magnetic ordering is a promising route to novel materials with highly mobile spin-polarized carriers at the surface. Spin-resolved measurements of the photoemissi…
View article: Influence of 4f filling on electronic and magnetic properties of rare earth-Au surface compounds
Influence of 4f filling on electronic and magnetic properties of rare earth-Au surface compounds Open
HoAu 2 , YbAu 2 and GdAu 2 surface compounds are investigated by electron spectroscopies, microscopy and theory. Yb in YbAu 2 reveals a mixed valence character while Gd and Ho are trivalent. HoAu 2 is ferromagnetic with an out-of-plane eas…
View article: Structure and electronic properties of h-BN on curved crystals
Structure and electronic properties of h-BN on curved crystals Open
Trabajo presentado en 20th Trends in Nanotechnology International Conference (2019), celebrada en San Sebastián (España), del 30 de septiembre al 4 de octubre de 2019
View article: Emerging 2D-ferromagnetism and strong spin-orbit coupling at the surface of valence-fluctuating EuIr2Si2
Emerging 2D-ferromagnetism and strong spin-orbit coupling at the surface of valence-fluctuating EuIr2Si2 Open
View article: Divalent EuRh2Si2 as a reference for the Luttinger theorem and antiferromagnetism in trivalent heavy-fermion YbRh2Si2
Divalent EuRh2Si2 as a reference for the Luttinger theorem and antiferromagnetism in trivalent heavy-fermion YbRh2Si2 Open
View article: Boron nitride monolayer growth on vicinal Ni(1 1 1) surfaces systematically studied with a curved crystal
Boron nitride monolayer growth on vicinal Ni(1 1 1) surfaces systematically studied with a curved crystal Open
The structural and electronic properties of hexagonal boron nitride (hBN)\ngrown on stepped Ni surfaces are systematically investigated using a\ncylindrical Ni crystal as a tunable substrate. Our experiments reveal\nhomogeneous hBN monolay…
View article: Site- and spin-dependent coupling at the highly ordered <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>h</mml:mi></mml:math>-BN/Co(0001) interface
Site- and spin-dependent coupling at the highly ordered -BN/Co(0001) interface Open
Using photoelectron diffraction and spectroscopy, we explore the structural and electronic properties of the hexagonal boron nitride (h-BN) monolayer epitaxially grown on the Co(0001) surface. Perfect matching of the lattice parameters all…
View article: Strong spin-orbit coupling in the noncentrosymmetric Kondo lattice
Strong spin-orbit coupling in the noncentrosymmetric Kondo lattice Open
Strong spin-orbit coupling (SOC) in combination with a lack of inversion symmetry and exchange magnetic interaction proves to be a sophisticated instrument allowing efficient control of the spin orientation, energy and trajectories of two-…
View article: Photoelectron Diffraction and Holography Studies of 2D Materials and Interfaces
Photoelectron Diffraction and Holography Studies of 2D Materials and Interfaces Open
Photoelectron diffraction (XPD) and holography (XPH) are powerful spectroscopic methods that allow comprehensive exploration and characterization of certain structural properties of materials, in particular those of 2D systems and interfac…
View article: Electron-phonon coupling in graphene placed between magnetic Li and Si layers on cobalt
Electron-phonon coupling in graphene placed between magnetic Li and Si layers on cobalt Open
Using angle-resolved photoemission spectroscopy (ARPES), we study the electronic structure and electron-phonon coupling in a Li-doped graphene monolayer decoupled from the Co(0001) substrate by intercalation of silicon. Based on the photoe…
View article: Insight into the temperature dependent properties of the ferromagnetic Kondo lattice YbNiSn
Insight into the temperature dependent properties of the ferromagnetic Kondo lattice YbNiSn Open
Analyzing temperature dependent photoemission (PE) data of the ferromagnetic Kondo-lattice (KL) system YbNiSn in the light of the periodic Anderson model (PAM) we show that the KL behavior is not limited to temperatures below a temperature…
View article: Observation of a universal temperature scale for valence changes in Kondo lattices independent of the Kondo temperature
Observation of a universal temperature scale for valence changes in Kondo lattices independent of the Kondo temperature Open
The Kondo model predicts both the valence at low temperatures and its temperature dependence to scale with the characteristic energy $T_K$ of the Kondo interaction. We have studied the evolution of the $4f$ occupancy in a series of Yb Kond…
View article: A curious interplay in the films of N-heterocyclic carbene PtII complexes upon deposition of alkali metals
A curious interplay in the films of N-heterocyclic carbene PtII complexes upon deposition of alkali metals Open
View article: Robust and tunable itinerant ferromagnetism at the silicon surface of the antiferromagnet GdRh2Si2
Robust and tunable itinerant ferromagnetism at the silicon surface of the antiferromagnet GdRh2Si2 Open
View article: ARPES view on surface and bulk hybridization phenomena in the antiferromagnetic Kondo lattice CeRh2Si2
ARPES view on surface and bulk hybridization phenomena in the antiferromagnetic Kondo lattice CeRh2Si2 Open
The hybridization between localized 4 f electrons and itinerant electrons in rare-earth-based materials gives rise to their exotic properties like valence fluctuations, Kondo behaviour, heavy-fermions, or unconventional superconductivity. …
View article: Temperature-Independent Fermi Surface in the Kondo Lattice<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>YbRh</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub><mml:msub><mml:mrow><mml:mi>Si</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>
Temperature-Independent Fermi Surface in the Kondo Lattice Open
International audience
View article: Insight into Bio-metal Interface Formation in vacuo: Interplay of S-layer Protein with Copper and Iron
Insight into Bio-metal Interface Formation in vacuo: Interplay of S-layer Protein with Copper and Iron Open