Thermoelectric power singularities of FeNiBSi amorphous alloys

Thermoelectric power study of magnetic amorphous alloys Fe
x
Ni
80-x
B
y
Si
20-y
is reported. The sensitivity of TEP to the ferro - paramagnetic transition as well as to the crystallization effects is indicated. It is concluded that the Grest - Nagel model gives more appropriate description of electron transport in magnetic amorphous alloys than the Ziman theory. The TEP behaviour in crystallized alloys is discussed using the Kasuya theory.