Abstract
Using the density of states curve of Pt metal determined from the low temperature specific heat measurements for Pt-Au and Pt-Ir alloys, the electronic specific heat and the spin paramagnetic susceptibility of Pt metal are calculated for a temperature range from 0°K to 2000°K. The calculated result for the electronic specific heat explains the experimental result that C E <γ(0) T at higher temperatures. By comparing the calculated result of the spin paramagnetic susceptibility with the experimental data, the values of the molecular field coefficient, α, and the orbital paramagnetic susceptibility, χ orb. are estimated as α=0.64∼0.74×10 4 mole/emu and χ orb. =0.13∼0.48×10 -4 emu/mole for Pt metal. Similar calculations are performed for Pt-Au and Pt-Ir alloys.
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