Figure 1.

In situ STM images of the surface structure transitions on the InAs WL without As4 irradiation. acWhite points indicate the positions of applying voltage. (a’)–(c’) Show after applying voltage from −6 to +6 V at 50°C, −6 to +6 V at 150°C, and −3 to +3 V at 150°C

Toujyou and Tsukamoto Nanoscale Research Letters 2010 5:1930-1934   doi:10.1007/s11671-010-9802-z