Elke Arenholz
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View article: Single rhenium atoms on nanomagnetite: Probing the recharge process that controls the fate of rhenium in the environment
Single rhenium atoms on nanomagnetite: Probing the recharge process that controls the fate of rhenium in the environment Open
Understanding the redox transitions that control rhenium geochemistry is central to paleoredox and geochronology studies, as well as predicting the fate of chemically similar hazardous oxyanions in the environment such as pertechnetate. Ho…
View article: Oxidation and recharge of reactive structural Fe(<scp>ii</scp>) in titanomagnetite (Fe<sub>3−<i>x</i></sub>Ti<sub><i>x</i></sub>O<sub>4</sub>) nanoparticles
Oxidation and recharge of reactive structural Fe(<span>ii</span>) in titanomagnetite (Fe<sub>3−<i>x</i></sub>Ti<sub><i>x</i></sub>O<sub>4</sub>) nanoparticles Open
Mixed-valent iron oxide minerals, e.g. titanomagnetite (Fe 3− x Ti x O 4 ), are an important source of solid-state ferrous iron that affect the speciation and transport of electron accepting contaminants in the subsurface, such as radioact…
View article: Celebrating 1 year of npj Spintronics
Celebrating 1 year of npj Spintronics Open
View article: A US perspective on closing the carbon cycle to defossilize difficult-to-electrify segments of our economy
A US perspective on closing the carbon cycle to defossilize difficult-to-electrify segments of our economy Open
View article: IEEE Magnetics Society Information
IEEE Magnetics Society Information Open
View article: Influence of time and ageing conditions on the properties of ferrihydrite
Influence of time and ageing conditions on the properties of ferrihydrite Open
Storage conditions affect the initial tetrahedral iron and hydroxyl populations of ferrihydrite, both are correlated and decrease over time as function of ageing.
View article: Observation of coherently coupled cation spin dynamics in an insulating ferrimagnetic oxide
Observation of coherently coupled cation spin dynamics in an insulating ferrimagnetic oxide Open
Many technologically useful magnetic oxides are ferrimagnetic insulators, which consist of chemically distinct cations. Here, we examine the spin dynamics of different magnetic cations in ferrimagnetic NiZnAl-ferrite (Ni0.65Zn0.35Al0.8Fe1.…
View article: Enhanced Magnetization in CoFe<sub>2</sub>O<sub>4</sub> Through Hydrogen Doping
Enhanced Magnetization in CoFe<sub>2</sub>O<sub>4</sub> Through Hydrogen Doping Open
Magnetic spinel oxides have attracted extensive research interest due to their rich physics and wide range of applications. However, these materials invariably suffer suppressed magnetization, due to structural imperfections (e.g., disorde…
View article: Magnetic phase diagram mapping in Fe1−<i>x</i>Rh<i>x</i> composition-spread thin films
Magnetic phase diagram mapping in Fe1−<i>x</i>Rh<i>x</i> composition-spread thin films Open
We have fabricated high-quality polycrystalline Fe1−xRhx composition-spread thin films by cosputtering Fe and Rh, and investigated their structural and magnetic transformations as a systematic function of composition. With increasing Rh co…
View article: Large moments in BCC FExCOyMNz and other alloy thin films
Large moments in BCC FExCOyMNz and other alloy thin films Open
Large magnetic moment compositions are formed by stabilizing ternary or other alloys with a epitaxial control layer. Compositions that are unstable in bulk specimen are thus stabilized and exhibit magnetic moments that are greater that a S…
View article: Positive spin Hall magnetoresistance in single-crystalline Pt/CoO(001) bilayers
Positive spin Hall magnetoresistance in single-crystalline Pt/CoO(001) bilayers Open
Here, the spin Hall magnetoresistance (SMR) effect in single-crystalline Pt/CoO(001) bilayers has been systematically investigated. X-ray magnetic linear dichroism measurements prove that CoO antiferromagnetic (AFM) spins can be switched i…
View article: Interfacial magnetic vortex formation in exchange-coupled hard-soft magnetic bilayers
Interfacial magnetic vortex formation in exchange-coupled hard-soft magnetic bilayers Open
View article: IEEE MAGNETICS SOCIETY
IEEE MAGNETICS SOCIETY Open
View article: State-resolved ultrafast charge and spin dynamics in [Co/Pd] multilayers
State-resolved ultrafast charge and spin dynamics in [Co/Pd] multilayers Open
We use transient absorption spectroscopy with circularly polarized x rays to detect laser-excited hole states below the Fermi level and compare their dynamics with that of unoccupied states above the Fermi level in ferromagnetic [Co/Pd] mu…
View article: The INTERSECT Open Federated Architecture for the Laboratory of the Future
The INTERSECT Open Federated Architecture for the Laboratory of the Future Open
View article: Towards a Software Development Framework for Interconnected Science Ecosystems
Towards a Software Development Framework for Interconnected Science Ecosystems Open
View article: Experimental realization of linearly polarized x-ray detected ferromagnetic resonance
Experimental realization of linearly polarized x-ray detected ferromagnetic resonance Open
We present the first theoretical and experimental evidence of time-resolved dynamic x-ray magnetic linear dichroism (XMLD) measurements of GHz magnetic precessions driven by ferromagnetic resonance in both metallic and insulating thin film…
View article: Chiral Spin Bobbers in Exchange-Coupled Hard-Soft Magnetic Bilayers
Chiral Spin Bobbers in Exchange-Coupled Hard-Soft Magnetic Bilayers Open
The spin structure of exchange-coupled MnBi:Co-Fe bilayers is investigated by X-ray magnetic circular dichroism (XMCD), polarized neutron reflectometry (PNR), and micromagnetic simu-lations. The purpose of the present research is two-fold.…
View article: IEEE Magnetics Society Information
IEEE Magnetics Society Information Open
View article: IEEE Magnetics Society Information
IEEE Magnetics Society Information Open
View article: IEEE Magnetics Society Information
IEEE Magnetics Society Information Open
View article: IEEE Magnetics Society Information
IEEE Magnetics Society Information Open
View article: IEEE Magnetics Society Information
IEEE Magnetics Society Information Open
View article: Hidden transformations in entropy-stabilized oxides
Hidden transformations in entropy-stabilized oxides Open
View article: IEEE Transactions on Magnetics publication information
IEEE Transactions on Magnetics publication information Open
View article: Emergent long-range magnetic order in ultrathin (111)-oriented LaNiO3 films
Emergent long-range magnetic order in ultrathin (111)-oriented LaNiO3 films Open
The emergence of ferromagnetism in materials where the bulk phase does not show any magnetic order demonstrates that atomically precise films can stabilize distinct ground states and expands the phase space for the discovery of materials. …
View article: Reversible hydrogen control of antiferromagnetic anisotropy in α-Fe2O3
Reversible hydrogen control of antiferromagnetic anisotropy in α-Fe2O3 Open
Antiferromagnetic insulators are a ubiquitous class of magnetic materials, holding the promise of low-dissipation spin-based computing devices that can display ultra-fast switching and are robust against stray fields. However, their imperv…
View article: Proximate Quantum Spin Liquid on Designer Lattice
Proximate Quantum Spin Liquid on Designer Lattice Open
Complementary to bulk synthesis, here we propose a designer lattice with extremely high magnetic frustration and demonstrate the possible realization of a quantum spin liquid state from both experiments and theoretical calculations. In an …
View article: Single magnetic domain Terfenol-D microstructures with passivating oxide layer
Single magnetic domain Terfenol-D microstructures with passivating oxide layer Open
View article: IEEE Magnetics Society Information
IEEE Magnetics Society Information Open