wide band gap materials

The photonic band gap materials have wide potential applications in fabricating new type of optical devices.

光子晶体可以用来制备全新原理、高性能的光学器件，具有广阔的应用前景。

In recent years, with the extensive application of short wavelength devices, the research of direct wide band gap semiconductor materials attracted more and more attention.

近年来，随着短波长光电器件的逐渐广泛应用，直接宽禁带半导体材料的研究越来越受到人们的重视。

Other interesting properties of these materials include their wide band gap, stability under high temperature and chemical inertness.

除超硬性质以外，这些材料大都具有宽带隙、高温稳定性、化学惰性等优良的物理化学性质。