Abstract
The thermal stability of Co60Fe20B20 and Co40Fe40B20 thin films are investigated by non-isothermal and isothermal thermal analysis. The differential scanning calorimetry results of amorphous Co60Fe20B20 and Co40Fe40B20 thin films showed the crucial glass forming ability index, γ and γm. The Kissinger formula was applied to calculate the activation energy (Q) of crystallization to measure its resistance of crystallization; 3000 Å was a critical thickness. Based on the non-isothermal and isothermal thermal analysis, it reveals that the thermal stability and incubation time of Co60Fe20B20 films are better than Co40Fe40B20 films.
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