Niobium and niobium silicides due to their good mechanical properties, have high potential for being the high-temperature materials as a substitute for nickel alloys.

铌及铌硅化合物具有优良的力学性能，可替代现有的镍基合金超高温材料。

youdao

And because the gate and the insulation layer are formed right at the end of the chip-making process, after the high-temperature steps have been completed, it is possible to choose from a wider range of materials for the insulation layer.

ECONOMIST: Transistors: A tall story | The