Various discharge modes, such as square, hexagon, superlattice, and like-glow discharge, have been observed in ac-driven gas discharge by using the dielectric barrier discharge device.

• 本工作采用介质阻挡放电装置,在交流气体放电中观察到不同类型的四边形、六边形、超点阵以及类辉光放电等放电模式。