Figure 7.

Typical SSE with TiO2 on Pt. Applied E field increases from 1: 50 V/μm, to 2: 100 V/μm, to 3: with 140 V/μm, showing increasing electron tunneling from EF, left, to the vacuum, right.

Tsu Nanoscale Research Letters 2011 6:127   doi:10.1186/1556-276X-6-127
Download authors' original image