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DAFS - Universidad de Zaragoza

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Medidas <strong>de</strong> <strong>DAFS</strong> al umbral K <strong>de</strong>l Fe<br />

Linea CRG-D2AM <strong>de</strong>l ESRF<br />

Goniómetro 7 círculos +monocromador<br />

Reflexiones prohibidas (002) y (006)<br />

Medidas en función <strong>de</strong> T(20 K y 300K)<br />

Medidas en función <strong>de</strong> φ (analizador <strong>de</strong> MgO(111))<br />

---- T=20K<br />

_____ T=300K<br />

Resonancia antes <strong>de</strong>l umbral (prepico)<br />

Resonancia en el umbral<br />

Región extendida<br />

El espectro no cambia para T>T c

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