It has been come to our attention that in the original paper we showed the same spectra for Figure 1e and f by mistake, although they were actually not the same. The spectra in Figure 1e was correct, while the spectra in Figure 1f was wrong. Except the figure itself, the text and caption were all right. Therefore, the findings of the paper are not impacted. This revised Figure 1 has the correct information.
All Science Journal Classification (ASJC) codes
- Materials Science(all)
- Condensed Matter Physics
- Mechanical Engineering