We have investigated the electronic structure of the dilute magnetic semiconductor (DMS) Ga0.98Mn0.02P and compared it to that of an undoped GaP reference sample, using hard x-ray photoelectron spectroscopy (HXPS) and hard x-ray angle-resolved photoemission spectroscopy (HARPES) at energies of ab...

WestudythemagneticComptonprofile(MCP)ofthedisorderedFe0.5Ni0.5 andoftheorderedFeNialloysand discusstheinterplaybetweenstructuraldisorderandelectroniccorrelations.Thecoherentpotentialapproximation is employed to model the substitutional disorder within the single-site approximation, while local electronic correlations are captured with the dynamical mean field theory. ...

For the generation of spin-polarized photocurrents in topological insulators, a coupling between photon angular momentum and electron spin is often assumed. Such a coupling seems to be supported by dichroism reported in E(ky)-intensity maps in photoemission. We show in three dimensional two-...

Various apparative developments extended the potential of angle-resolved photoemission spectroscopy tremendously during the last two decades. The following article reviews the corresponding recent theoretical developments in the field of angle-resolved photoemission with a special emphasis on correlation effects,...

The dilute magnetic semiconductors have promise in spin-based electronics applications due to their potential for ferromagnetic order at room temperature, and various unique switching and spin-dependent conductivity properties. However, the precise mechanism by which the transition-metal doping produces fe...

Femtosecond laser excitations in half-metal (HM) compounds are theoretically predicted to induce an exotic picosecond spin dynamics. Femtosecond spin dynamics experiments performed on Fe 3 O 4 by time- and spin-resolved photoelectron spectroscopy support our model. Furthermore, the spin polarization&#...

We compute the thermal conductivity and electrical resistivity of solid hcp Fe to pressures and temperatures of Earth’s core. We obtain thermal and electrical conductivities that are consistent with experiments considering reasonable error. The predicted thermal conductivity is reduced from previ...

The nanopowders of ZnO coded Al and Cd were synthesized by thermal decomposition and were characterized by XRD. The measured optical properties point to a band gap of 3.23-3.12eV. By the hydrogenation of ZnO, we were able to stabilize the magnifying phase as confirmed by ...

The control of the electron spin by external means is a key issue for spintronic devices. Using spin- and angle-resolved photoemission spectroscopy (SARPES) with three-dimensional spin detection, we demonstrate operando electrostatic spin manipulation in ferroelectric α-GeTe and multiferroic Ge1−xMnxTe.&#x...

PhotoEmission Spectroscopy (PES) is a surface sensitive technique within the Ultra-Violet regime. A way to make it more bulk sensitive consists in increasing the photon energy for entering the X-ray regime. As a counterpart, this increase breaks the k-conserving dipole selection rule an...

Manganese twinning induced plasticity (TWIP) steels are attractive materials for the automotive industry thanks to their combination of strength and excellent toughness. This article deals with basic microstructural and mechanical properties of sheet metal of two heats of low-carbon medium-manganese&#...

The influence of alloying (10 wt% Molybdenum) and post deposition treatment (Laser Surface Melting) on the structural characteristics and wear performance of Plasma Transfer Arc deposited M2 hardfacings have been investigated. The nature of matrix and carbides of M2 hardfacing had changed&#x...

Formation of silicon nanostructures embedded in silicon nitride layers can be of great interest for micro and optoelectronic devices such as non-volatile memories and solar cells. In this work, we synthesized amorphous multilayered a-Si:H/a-SiNx:H superlattice structures with different thickness ...

Chronopotentiometry is a powerful experimental technique for characterization of ion-exchange membranes, especially phenomena associated with ion transport and the occurrence of overlimiting current. One also uses this technique to estimate heterogeneity of ion-exchange membranes, or more precisely the fra...

Using density functional theory (DFT) calculations, we have explored the effect of Ag and Cs atoms on the electronic transport properties of ASbO3 (A = K, Ag and Cs). We employed first principle calculations for investigation of electronic, optical and thermoelectric properties of ...

Recently Cu3SbSe4 have attracted enhanced an interest due to abundant potential for extensive thermoelectric applications. To get a complete prediction of its thermoelectric performance and charge transport details it is important to have fundamental data concerning band structure. In the present...

Acyl derivatives of hyaluronan (acyl-HA) are promising materials for biomedical applications. Depending on the acyl length and the degree of substitution, these derivatives range from self-assembling watersoluble polymers to materials insoluble in aqueous environments. The behaviour of acyl-HA was stu...

SPD (severe plastic deformation) processing of materials provides a great potential associated with the enhancement of their properties by refining the initial grain structure. The present experiments involved mechanical working of commercial-purity titanium (Ti Grade 2) with the CONFORM SPD tech...

Thermally sprayed hard metal coatings are the industrial standard solution for numerous demanding applications to improve wear resistance. In the aim of improving coating quality by utilising finer particle size distributions, several approaches have been studied to control the spray temperature....

In our contribution we study the electrocatalytic effect of oxygen functionalization of thermally treated graphite felt on kinetics of electrode reactions of vanadium redox flow battery. Chemical and morphological changes of the felts are analysed by standard physico-chemical characterization techniqu...