Chinese 分子束 Cited by user 邪王の真眼 on 29 Jul 2018 分子束是一種以移動速度近乎相同且极少相互碰撞颗粒(原子、自由基、分子或离子)组成的波束,一种气体在较高的压力下膨胀以通过一个小孔进入压力较低的腔室内而形成分子束。分子束可應用於以分子束外延的方法生产薄膜和人工结构(如量子阱、量子线和量子点),在交叉分子束法中亦有應用。可通过操纵电场和磁场使分子束中的分子减速,斯塔克减速或者可使其减速。 =…
English Molecular beam Cited by user V8rik on 04 May 2012 A molecular beam is produced by allowing a gas at higher pressure to expand through a small orifice into a chamber at lower pressure to form a beam of particles (atoms…