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Structure des Matériaux Partie I, Cristallographie - IUT Annecy

Structure des Matériaux Partie I, Cristallographie - IUT Annecy

Structure des Matériaux Partie I, Cristallographie - IUT Annecy

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Supraconducteur à haute T c , La 2 CuO 4<br />

tétragonal, I4/mmm<br />

a = 3.78, c = 13.23 Å<br />

La 0 0 0.360, ½ ½ 0.860 (vert)<br />

0 0 0.640, ½ ½ 0.140<br />

Cu 0 0 0, ½ ½ ½ (rouge foncé)<br />

O(1) 0 0 0.818, ½ ½ 0.318 (rouge)<br />

0 0 0.192, ½ ½ 0.692<br />

O(2) ½ 0 0, 0 ½ ½ (rouge)<br />

<strong>Structure</strong> <strong>des</strong> <strong>Matériaux</strong> 2011 – <strong>IUT</strong> <strong>Annecy</strong> – Mesures Physiques PG – <strong>Partie</strong> I 31

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