Semiconductor–metal transition in GaAs nanowires under high pressure
Liang Yi-Lan1, Yao Zhen1, Yin Xue-Tong1, Wang Peng1, ‡, Li Li-Xia2, Pan Dong2, §, Li Hai-Yan1, Li Quan-Jun1, Liu Bing-Bing1, Zhao Jian-Hua2
       

(a) IRR spectra of GaAs NWs up to 25.6 GPa. (b) Pressure–reflectivity diagram of two different wavenumbers (1500 cm−1 and 3000 cm−1) upon compression.