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JST Vol. 21 (1) Jan. 2013 - Pertanika Journal - Universiti Putra ...

JST Vol. 21 (1) Jan. 2013 - Pertanika Journal - Universiti Putra ...

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Intensity ( arbritary unit )<br />

(f)<br />

(e)<br />

(d)<br />

(c)<br />

(b)<br />

(a)<br />

Wong Y. C. and Tan Y. P.<br />

10 20 30 40 50 60<br />

2 Θ (degrees)<br />

100 <strong>Pertanika</strong> J. Sci. & Technol. <strong>21</strong> (1): 283 - 298 (<strong>2013</strong>)<br />

*<br />

#<br />

*<br />

#<br />

#<br />

#<br />

* Cr 2 O 3<br />

# Bi 2 O 3<br />

Fig.1: The XRD patterns of (a) Bi 3Cr 2O 10.5, (b)Bi 4Cr 2O 12, (c) Bi 5Cr 2O 13.5, (d) Bi 6Cr 2O 15, (e) Bi 7Cr 2O 16.5,<br />

and (f) Bi 8Cr 2O 18 prepared at 600 o C<br />

Fig.2: Variation of the lattice parameter, a, with composition, x, in Bi xCr 2O δ, 4 ≤ x ≤ 7<br />

#<br />

#<br />

#

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