X-Ray Diffraction

21

I

S

q

qqCidR

z

zzhh

S

() exp( )exp[()] exp( )qRQRµ- ◊◊

ÚÚ

2

22 22

s

.

        

but also the specularly scattered part, which can be eliminated by



In the case of Gaussian distributed h(R), the ACF is a symmetric

function and the complex Fourier transformation becomes real.

    



I

S

q

qqCdR

z

zzhhdiff

() exp( )exp[()] cos( )qRQRµ- -

()

◊

ÚÚ

2

22 22

1s

.

(1.18)

To understand the meaning of this equation, in the following

small q

z

s are discussed. ...