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RMN dans des alliages dilués

RMN dans des alliages dilués. RMN: Déplacement de Knight de l ’impureté K = A hf c 0 ( impurity ). Polarisation RKKY de la matrice. n(r). Les noyaux du métal hôte sondent la réponse du métal. nb nuclei. H loc. RMN des noyaux du métal hôte. Concentration c d ’impurertés.

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RMN dans des alliages dilués

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  1. RMN dans des alliages dilués RMN: Déplacement de Knight de l ’impureté K = Ahfc0(impurity) Polarisation RKKY de la matrice n(r) Les noyaux du métal hôte sondent la réponse du métal

  2. nb nuclei Hloc RMN des noyaux du métal hôte Concentration c d ’impurertés Raie centrale (élargie) Dn DK proches voisins (raie résolue)

  3. RMN du cuivre dans CuMn 65Cu 63Cu T=1.33K 180 ppm Mn DKB 40 ppm Mn

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