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. 2014 Feb 12;7(2):1155–1164. doi: 10.3390/ma7021155

Figure 2.

Figure 2.

Faraday rotation of the 5% holmium-containing nanoparticles was measured in solution and embedded in a thin polymer film. Although a similar trend is visible in both spectra, the error margins of the thin film are larger, which is caused by uncertainty in the superparamagnetic fitting procedure due to the smaller signal.