Table 1 Main structural and microstructural properties of CFO-NO ceramics as inferred from Rietveld analysis, compared to those of pristine CFO and NO prepared separately as references.

From: On the limits of Reactive-Spark-Plasma Sintering to prepare magnetically enhanced nanostructured ceramics: the case of the CoFe2O4-NiO system

 

Spinel

Rock-salt

Fcc metal

a Å ± 0.005

<LXRD> nm ±2

Content wt.-% ±10

a Å ± 0.005

<LXRD> nm ±2

Content wt.-% ±10

a Å ± 0.005

<LXRD> nm ±2

Content wt.-% ±10

NO small

—

—

0

4.176

10

100

—

—

—

NO large

—

—

0

4.174

39

100

—

—

0

CFO

8.394

37

89

—

—

0

3.545

90

11

CFO-NO small

8.381

33

81

4.178

5

1

3.524

100(*)

18

CFO-NO large

8.389

20

68

4.200

38

22

3.540

100(*)

10

  1. *These values were fixed during MAUD refinements, due to the very large crystal size (more than one hundred nm) of the related phase.
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