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Resolution: standard / high Figure 4.
Typical CR spectra for sample 2 measured using 3.2-THz QCL. In the absence of visible light illumination (1) and at various levels of illumination
(2 to 5). The carrier density in units of 1010 cm-2 is 3.5 (1), 5.4 (2), 7.2 (3), 9.3 (4), and 10.3 (5).
Zholudev et al. Nanoscale Research Letters 2012 7:534 doi:10.1186/1556-276X-7-534 |
