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Thermal and transport properties of the Heusler-type Fe2 VAl1-x Gex (0?x?0.20) alloys: Effect of doping on lattice thermal conductivity, electrical resistivity, and Seebeck coefficient
We report on the thermoelectric properties of the Heusler-type ${\mathrm{Fe}}_{2}{\mathrm{VAl}}_{1\ensuremath{-}x}{\mathrm{Ge}}_{x}$ alloys with compositions $0\ensuremath{\le}x\ensuremath{\le}0.20$.
Revisiting the valence-band and core-level photoemission spectra of NiO.
TLDR
The results indicate that the ZR character first ionization (the lowest hole-addition) states are responsible for transport properties in NiO and doped NiO.
Thermoelectric properties of Heusler-type off-stoichiometric Fe2V1+xAl1−x alloys
We report the thermoelectric properties of Heusler-type off-stoichiometric Fe2V1+xAl1�x alloys. Due to the off-stoichiometric effect, which is the substitution of V/Al atoms with Al/V atoms,
Development of thermoelectric materials based on Fe2VAl Heusler compound for energy harvesting applications
The Heusler-type Fe2VAl compound is a nonmagnetic semimetal with a sharp pseudogap at the Fermi level. Doping of quaternary elements causes a large enhancement in the Seebeck coefficient, in parallel
Electrons per atom ratio determination and Hume-Rothery electron concentration rule for P-based polar compounds studied by FLAPW-fourier calculations.
The extent to which reliable electrons per atom ratio, e/a, are determined and the validity of the Hume-Rothery stabilization mechanism are ensured upon increasing ionicity are studied by applying
Thermoelectric properties of supersaturated Re solid solution of higher manganese silicides
In this study, we developed a higher manganese silicide (HMS) that possesses a high dimensionless figure of merit ZT exceeding unity. HMSs containing a larger amount of Re than its solubility limit
Effect of Off-Stoichiometry on the Thermoelectric Properties of Heusler-Type Fe2VAl Sintered Alloys
Heusler-type Fe2V1−xAl1+x sintered alloys with micrometer-sized grains were fabricated by the powder metallurgical process using mechanical alloying and pulse-current sintering. Both positive (∼90
Temperature Dependence of Magnetically Active Charge Excitations in Magnetite across the Verwey Transition.
TLDR
The results indicate that the Verwey transition is driven by changes in the strongly correlated and magnetically active B-site electronic states, consistent with resistivity and optical spectra.
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