Figure 1.

EPR spectra of surface-doped samples at 5 K. 1, C-TiO2-2; 2, C-TiO2-3. Inset shows the same samples but at 300 K. Arrow shows the position of g-values.

Minnekhanov et al. Nanoscale Research Letters 2012 7:333   doi:10.1186/1556-276X-7-333
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