No.

Lattice parameter (Å)

Figure of Merit (FoM) (%)

Calcination temperature (˚C)

a

b

c

Rp

Rwp

Rexp

GoF

1

5.924257

5.957791

16.753927

25.45

34.68

30.43

1.3

300

2

5.950260

5.905344

16.771547

26.65

35.56

30.04

1.4

400

3

5.933054

5.907244

16.775064

25.58

34.99

29.56

1.4

450

4

5.924908

5.912825

16.794828

24.94

33.71

29.85

1.28

500