Table 6.

Main conclusions from the obtained results.

Exp. Number	Morphology	Main Size Ranges	Magnetic Character	Conclusions
1	Undefined	92–100 nm: 12% >100 nm: 80%	Regular	The low resolution does not allow to determine their precise morphology. Size much larger than desired. Presents some large agglomerations.
2	Undefined	76–84 nm: 14% 84–92 nm: 14% 92–100 nm: 13% >100 nm: 32%	Slightly Higher	The low resolution does not allow to determine their precise morphology. Size much larger than desired. Presents some large agglomerations.
3	Generally irregular. Some cubic-shaped particles are present.	36–44 nm: 15% 44–52 nm: 24% 52–60 nm: 27% 60–68 nm: 15% 68–76 nm: 12%	Regular	Acceptable morphology. Size larger than desired. Some large agglomerations are present.
4	Irregular	28–36 nm: 12% 36–44 nm: 28% 44–52 nm: 26% 52–60 nm: 18%	Regular	Poorly defined morphology. Size slightly larger than desired. Small agglomerations of medium size are seen.
5	Irregular	28–36 nm: 12% 36–44 nm: 25% 44–52 nm: 26% 52–60 nm: 14%	Regular	Poorly defined morphology. Size slightly larger than desired. Small agglomerations of medium size are seen.
6	Generally irregular. Some cubic-shaped particles are present.	28–36 nm: 24% 36–44 nm: 25% 44–52 nm: 17% 52–60 nm: 17%	Regular	Acceptable morphology. Size slightly larger than desired. Some agglomerations of medium size are seen.
7	Cubic/cobblestone particles	68–76 nm: 11% 76–84 nm: 12% 84–92 nm: 12% 92–100 nm: 10% >100 nm: 46%	Slightly Lower	Ideal morphology. Size much larger than desired. There are no agglomerations.
8	Cubic/cobblestone particles	>100 nm: 82%	Regular	Ideal morphology. Size much larger than desired. There are no agglomerations.
9	Cubic/cobblestone particles	>100 nm: 93%	Regular	Ideal morphology. Size much larger than desired. There are no agglomerations.
10	Generally irregular. Some cubic-shaped particles are present.	20–28 nm: 11% 28–36 nm: 9% 36–44 nm: 19% 44–52 nm: 30% 52–60 nm: 18%	Slightly Lower	Acceptable morphology. Size slightly larger than desired. Large agglomerations are not visible.
11	Generally irregular. Some cubic-shaped particles are present.	28–36 nm: 13% 36–44 nm: 18% 44–52 nm: 16% 52–60 nm: 20% 60–68 nm: 10% 68–76 nm: 13%	Slightly Higher	Acceptable morphology. Size slightly larger than desired. There are several medium-sized agglomerations
13	Undefined	44–52 nm: 15% 52–60 nm: 20% 60–68 nm: 24% 68–76 nm: 12%	Regular	The low resolution does not allow to determine their precise morphology. Size much larger than required. Presents some large agglomerations.
12 and 14	Generally cubic-shaped particles are present. Some irregular shape also appears.	20–28 nm: 26% 28–36 nm: 32% 36–44 nm: 16%	Slightly Higher	Very good morphology. Very good size. There are no agglomerations.
15	No particles obtained	-----------	-----------	-----------
16	No particles obtained	-----------	-----------	-----------