S. Holenstein
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View article: Compact setup for spin-, time-, and angle-resolved photoemission spectroscopy
Compact setup for spin-, time-, and angle-resolved photoemission spectroscopy Open
We present a compact setup for spin-, time-, and angle-resolved photoemission spectroscopy. A 10 kHz titanium sapphire laser system delivers pulses of 20 fs duration, which drive a high harmonic generation-based source for ultraviolet phot…
View article: Observation of a Charge-Neutral Muon-Polaron Complex in Antiferromagnetic Cr2O3
Observation of a Charge-Neutral Muon-Polaron Complex in Antiferromagnetic Cr2O3 Open
We report a comprehensive muon spin rotation (μSR) study of the prototypical magnetoelectric antiferromagnet Cr2O3. We find the positively charged muon (μ+) occupies several distinct interstitial sites and displays a rich dynamic behavior …
View article: Coupled Magnetic and Superconducting Transitions in Sr$_{2}$VO$_{3}$FeAs Under Pressure
Coupled Magnetic and Superconducting Transitions in Sr$_{2}$VO$_{3}$FeAs Under Pressure Open
We report muon spin rotation ($μ$SR) and magnetization measurements on superconducting Sr$_{2}$VO$_{3}$FeAs under pressure. At ambient pressure, Sr$_{2}$VO$_{3}$FeAs undergoes an antiferromagnetic transition of the V moments at $T_{N}$ and…
View article: Muon spin rotation measurements on RbEuFe$_{4}$As$_{4}$ under pressure
Muon spin rotation measurements on RbEuFe$_{4}$As$_{4}$ under pressure Open
We report muon spin rotation and magnetization measurements on the magnetic superconductor RbEuFe$_{4}$As$_{4}$ under hydrostatic pressures up to 3.8 GPa. At ambient pressure, RbEuFe$_{4}$As$_{4}$ exhibits a superconducting transition at $…
View article: CSD 1791320: Experimental Crystal Structure Determination
CSD 1791320: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: Collective magnetism in an artificial 2D XY spin system
Collective magnetism in an artificial 2D XY spin system Open
Two-dimensional magnetic systems with continuous spin degrees of freedom exhibit a rich spectrum of thermal behaviour due to the strong competition between fluctuations and correlations. When such systems incorporate coupling via the aniso…
View article: Pressure effects on the electronic properties of the undoped superconductor ThFeAsN
Pressure effects on the electronic properties of the undoped superconductor ThFeAsN Open
The recently synthesized ThFeAsN iron-pnictide superconductor exhibits a $T_c$ of 30 K, the highest of the 1111-type series in absence of chemical doping. To understand how pressure affects its electronic properties, we carried out microsc…
View article: Magnetic order and spin dynamics in the helical magnetic system Fe$_3$PO$_4$O$_3$
Magnetic order and spin dynamics in the helical magnetic system Fe$_3$PO$_4$O$_3$ Open
The 3$d$-electronic spin dynamics and the magnetic order in Fe$_3$PO$_4$O$_3$ were investigated by muon spin rotation and relaxation ($μ$SR) and $^{57}$Fe Mössbauer spectroscopy. Zero-field (ZF)-$μ$SR and $^{57}$Fe Mössbauer studies confir…