Temperature (˚C)

2θ

^† FWHM

(h K l)

^† d(A˚)

^† a (A˚)

^† Size (nm)

175

43.565

0.6098

(1 1 1)

2.0758

3.5954

14.05 ± 0.7

180

43.549

0.6006

(1 1 1)

2.0765

3.5967

14.03 ± 1.4