DAFS - Universidad de Zaragoza
DAFS - Universidad de Zaragoza
DAFS - Universidad de Zaragoza
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Distorsión trigonal<br />
(z’es el eje trigonal)<br />
tensor f diagonal<br />
fxx=fyy=f⊥<br />
fzz=f//<br />
16<br />
3<br />
( ) 2<br />
f −<br />
2<br />
I002 ∝ 16 fb<br />
= // f⊥<br />
f<br />
f<br />
1<br />
a<br />
F<br />
⎛ f<br />
⎜<br />
= ⎜ 0<br />
⎜<br />
⎝ 0<br />
2<br />
= f<br />
3<br />
=<br />
xx<br />
⊥<br />
4i<br />
f<br />
0<br />
yy<br />
1<br />
+ f<br />
3<br />
4 Fe octaédricos:<br />
(1) (1/8 1/8 1/8) z’(111)<br />
(2) (3/8 3/8 1/8) z’(-1-11)<br />
(3) (3/8 1/8 3/8) z’(1-11)<br />
(4) (1/8 1/8 1/8) z’(-111)<br />
//<br />
0 ⎞ ⎛ f⊥<br />
0<br />
⎟ ⎜<br />
0 ⎟=<br />
⎜ 0 f<br />
f ⎟ ⎜<br />
zz⎠<br />
⎝ 0<br />
1<br />
fb<br />
=<br />
3<br />
⊥<br />
[ + − − ]<br />
1 2 3 4<br />
f f f f<br />
0 ⎞ ⎛ f<br />
⎟ ⎜<br />
0 ⎟=<br />
⎜ f<br />
f ⎟ ⎜<br />
// ⎠ ⎝ f<br />
( f − f )<br />
002 b<br />
//<br />
⊥<br />
⎛ 0<br />
⎜<br />
= 16i⎜<br />
f<br />
⎜<br />
⎝ 0<br />
a<br />
b<br />
b<br />
f<br />
b<br />
0<br />
0<br />
f<br />
f<br />
f<br />
b<br />
a<br />
b<br />
f<br />
f<br />
f<br />
b<br />
b<br />
a<br />
0⎞<br />
⎟<br />
0⎟<br />
0⎟<br />
⎠<br />
⎞<br />
⎟<br />
⎟<br />
⎟<br />
⎠
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