Visualization 1: Responses transition in a monolayer Al-Al<sub>2</sub>O<sub>3</sub> nanoparticle-crystal due to oxidation JiaZi-Xun ShuaiYong LiMeng GuoYan-Ming TanHe-ping 2017 Visualization of Figure. 3(a) Originally published in Optics Express on 07 August 2017 (oe-25-16-A722)