^
|
R_0 |_____________
|
. \
|
. \
|
. \
|
. \
R_m ....................................\
|
. |
|
. |
|
. |
|
. |
+----------------+------+----->
Q, theta
0
Q_c m*Q_c(Ni)
theta_c m*theta_c(Ni)
m : factor
of supermirror
Q_c : crit. momentum transfer (see
figure)
theta_c : crit. angle for lambda = 1 Angstroem
R_0 : reflectivity for 0 <= Q <=
Q_c
(or 0 <= theta <= theta_c)
R_m : reflectivity for Q = m * Q_c(Ni)
Last modified: Tuesday, 03-Jul-2007 16:14:08 CEST