DAFS - Universidad de Zaragoza
DAFS - Universidad de Zaragoza
DAFS - Universidad de Zaragoza
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Resonant atomic scattering factor f<br />
f A(Q,E) = f 0 A(Q) + f’ A(E) + if’’ A(E)<br />
Thomson<br />
II<br />
II<br />
Abs.<br />
II<br />
As<br />
δf<br />
r 0f’’ A(ω, Q=0) = (ω/4πc) σ tot(ω)<br />
f’’ As(E) = f’’ 0As + χ’’ As<br />
f’ As(E) = f’ 0As + χ’ As<br />
In<br />
δf As(E) of As in InAs<br />
f’’ 0As<br />
χ’’ As oscillations<br />
As K-edge : 10867eV<br />
χ’ As oscillations<br />
Energy (eV)<br />
∆f’’ 0As