Figure 2

The MCD-H at the 2.1 eV from the Scotch tape obtained at (a) 0°, (b) 90°, (c) 180°, and (d) 270°. The inset in (d) shows the M-H result of the Scotch tape measured by VSM. No detectable FM was observed.

The MCD-H at the 2.1 eV from the Scotch tape obtained at (a) 0°, (b) 90°, (c) 180°, and (d) 270°. The inset in (d) shows the M-H result of the Scotch tape measured by VSM. No detectable FM was observed.