Shape Tuning of Magnetite Nanoparticles Obtained by Hydrothermal Synthesis: Effect of Temperature

Table 1

Raman mode frequencies reported in literature for magnetite.

Reference	Raman shift (cm^−1)
	Fe-O symmetrical stretching	Fe-O asymmetrical stretching
Boucherit et al. [46]	670	550
Ohtsuka et al. [47]	665	540
Thierry et al. [48]	670	550
De Faria et al. [49]	662.7	533.6
Li et al. [50]	665	540
Bersani et al. [51]	666	541
Present study	667	540