Small-Angle Neutron Scattering - Kfki
Small-Angle Neutron Scattering - Kfki
Small-Angle Neutron Scattering - Kfki
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Structural polydispersity<br />
V c<br />
= const<br />
=< ρ ><br />
I<br />
ρ e<br />
2 2<br />
2 2 ~ 2 2 2 2<br />
( 0) = n∆<br />
~ ρ Vc<br />
+ n < ( ρ − ρe<br />
) > Vc<br />
= n∆ρ<br />
Vc<br />
+ nσ<br />
ρVc<br />
~ 2 2 A B<br />
Rg = ( Rc<br />
+ ~ − ~ ) /(1 +<br />
2<br />
∆ρ<br />
( ∆ρ)<br />
D<br />
( ∆<br />
~ ρ)<br />
2<br />
)<br />
A =< α ><br />
B<br />
=<<br />
β > − <<br />
2 2<br />
2 2<br />
( ρ − ρe<br />
) α > − < ( ρ − ρe<br />
) > Rc<br />
=< β > − < ( ρ − ρe<br />
) α > −σ<br />
ρ<br />
Rc<br />
Mitglied in der Helmholtz-Gemeinschaft<br />
D =< ρ ρe<br />
>= σ<br />
2 2<br />
( − )<br />
ρ
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