T. Plackowski

Simple calorimeter for temperature range 50–350 K

Abstract The construction of a fully automated adiabatic calorimeter for the temperature range 50–350 K is described. Appropriate operation of the calorimeter was tested by measuring the specific heat of a pure copper sample with a mass of 0.36 g. The measurements showed agreement within ±1.5% of the standard literature values. Some results obtained for niobium hydride are also reported.

Magnetic and transport properties of rare-earth-based half-Heusler phases RPdBi: Prospective systems for topological quantum phenomena

RPdBi (R = Er, Ho, Gd, Dy, Y, Nd) compounds were studied by means of x-ray diffraction, magnetic susceptibility, electrical resistivity, magnetoresistivity, thermoelectric power and Hall effect measurements, performed in the temperature range 1.5-300 K and in magnetic fields up to 12 T. These ternaries, except diamagnetic YPdBi, exhibit localized magnetism of

Heat capacity and phonon mean free path of wurtzite GaN

R^{3+}

Electronic structure parameters of Sm1+xBa2−xCu3Oy solid solution of orthorhombic and tetragonal structure

ions, and order antiferromagnetically at low temperatures (

Specific heat of NbHx with high hydrogen concentration

T_{N}

Single-crystal study of highly anisotropic CeNiGe2

= 2-13 K). The transport measurements revealed behavior characteristic of semimetals or narrow-band semiconductors. Both, electrons and holes contribute to the conductivity with dominant role of p-type carriers. The Hall effect of ErPdBi is strongly temperature and magnetic field dependent, reflecting complex character of the underlying electronic structures with multiple electron and hole bands. RPdBi, and especially DyPdBi, exhibit very good thermoelectric properties with a power factor coefficient

The magnetic state of 1212-type ruthenocuprate in magnetocaloric and magnetoresistivity measurements of polycrystalline samples of RuSr2Gd1−xCexCu2O8 and Ru1−xSr2GdCu2O8

PF

Thermomagnetic properties of the overdoped La1.7Sr0.3CuO4 superconductor

ranging from 6 to 20

Order-disorder phase transitions in

\mu

Specific heat of Sm1+xBa2−xCu3Oysolid solution of orthorhombic and tetragonal structure

Wcm