The doping and temperature dependence of the complex conductivity is determined for the ferromagnetic semiconductor Ga(1-x)Mn(x)As. A broad resonance develops with Mn doping at an energy scale of approximately 200 meV, well within the GaAs band gap. Possible origins of this feature are explored in the context of a Mn induced impurity band and intervalence band transitions. From a sum rule analy...

Ca-Al-Layered Double Hydroxide (Ca-Al-LDH) coating was explored on 2024-T3 aluminium alloy by in situ growth methodology following a 1 h treatment at atmospheric pressure. Mn-based species were successfully incorporated into the Ca-Al-LDH structure low-temperature post-treatment (Ca-Al-LDH-Mn). Both LDH coatings disclosed flaky-like morphology and low thickness (~0.6 µm). Ca-Al-LDH-Mn showed op...

The thermal conductivity of molten sodium chloride and potassium chloride has been computed through equilibrium molecular dynamics Green-Kubo simulations in the microcanonical ensemble (N,V,E). In order to access the temperature dependence of the thermal conductivity coefficient of these materials, the simulations were performed at five different state points. The form of the microscopic energy...

GUVs were prepared using the electroformation method, introduced by Angelova and Dimitrov. Stock solutions of 4 mM lipid in chlorophorm were prepared from dioleoyphosphatidylcholine (DOPC), dipalmitoyphosphatidylcholine (DPPC) and cholesterol (Chol), and subsequently mixed to form solutions with 5.33:2.66:2, 2.665.3:3:2 and 4.8:3.2:2 DOPC:DPPC:Chol molar lipid ratios. The fluorescent dye N-(lys...

The reproducible formation of a 3D oxalate based coordination compound of formula (NH4)5[Mn(II)2Cr(III)3(ox)9]·10H2O, with an unusual Mn(II)/Cr(III) ratio, is presented. The original topology of the anionic network leads to antiferromagnetic long-range ordering whereas its guests favour high humidity-dependent proton conductivity.

We present a theory of the anomalous Hall effect in ferromagnetic (Ga,Mn)As in the regime when conduction is due to phonon-assisted hopping of holes between localized states in the impurity band. We show that the microscopic origin of the anomalous Hall conductivity in this system can be attributed to a phase that a hole gains when hopping around closed-loop paths in the presence of spin-orbit ...

We demonstrate an electrically controlled high-spin (S = 5/2) to low-spin (S = 1/2) transition in a three-terminal device incorporating a single Mn(2+) ion coordinated by two terpyridine ligands. By adjusting the gate-voltage we reduce the terpyridine moiety and thereby strengthen the ligand-field on the Mn-atom. Adding a single electron thus stabilizes the low-spin configuration and the corres...

The electrical conductivity of several rock meal based fertilizers with expressed ISR activity, measured as voltage dropping when their distilled water solution was affected low – electric currents 5 volts (DC and AC) examined. For comparison, hard soft tap (with 196 65 ppm CaCO3 hardness), 1% solutions NaCL CuSO4.5H2O 0.1% organosilicone surfactant were also tested in the conducted trials. res...