W. Keune
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View article: Interface-related magnetic and vibrational properties in Fe/MgO heterostructures from nuclear resonant spectroscopy and first-principles calculations
Interface-related magnetic and vibrational properties in Fe/MgO heterostructures from nuclear resonant spectroscopy and first-principles calculations Open
We combine ⁵⁷Fe Mössbauer spectroscopy and ⁵⁷Fe nuclear resonant inelastic x-ray scattering (NRIXS) on nanoscale polycrystalline [bcc−⁵⁷Fe/MgO] multilayers with various Fe-layer thicknesses and layer-resolved density-functional-theory (DFT…
View article: Moessbauer effect study of the Fe spin structure in exchange-bias and exchange-spring systems.
Moessbauer effect study of the Fe spin structure in exchange-bias and exchange-spring systems. Open
Theoretical and experimental issues connected with exchange-bias and exchange-spring behavior are briefly reviewed, and the potential of conversion electron Moessbauer spectroscopy (CEMS), including the {sup 57}Fe probe layer technique, to…
View article: Influence of interfaces on the phonon density of states of nanoscale metallic multilayers: Phonon confinement and localization
Influence of interfaces on the phonon density of states of nanoscale metallic multilayers: Phonon confinement and localization Open
Isotope-selective ^(57)Fe nuclear resonant inelastic x-ray scattering (NRIXS) measurements and atomic-layer resolved density functional theory (DFT) calculations were used to investigate the effect of interfaces on the vibrational (phonon)…
View article: Hysteresis Design of Magnetocaloric Materials—From Basic Mechanisms to Applications
Hysteresis Design of Magnetocaloric Materials—From Basic Mechanisms to Applications Open
Magnetic refrigeration relies on a substantial entropy change in a magnetocaloric material when a magnetic field is applied. Such entropy changes are present at first‐order magnetostructural transitions around a specific temperature at whi…
View article: Impact of lattice dynamics on the phase stability of metamagnetic FeRh: Bulk and thin films
Impact of lattice dynamics on the phase stability of metamagnetic FeRh: Bulk and thin films Open
We present phonon dispersions, element-resolved vibrational density of states\n(VDOS) and corresponding thermodynamic properties obtained by a combination of\ndensity functional theory (DFT) and nuclear resonant inelastic X-ray scattering\…
View article: Impact of lattice dynamics on the phase stability of metamagnetic FeRh: Bulk and thin films
Impact of lattice dynamics on the phase stability of metamagnetic FeRh: Bulk and thin films Open
We present phonon dispersions, element-resolved vibrational density of states (VDOS) and corresponding thermodynamic properties obtained by a combination of density functional theory (DFT) and nuclear resonant inelastic X-ray scattering (N…