One-dimensional model for cooperative hydrogen motion in ferroelectric crystals
Schmidt, V. Hugo
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The static and dynamic behavior is examined for “Takagi groups” in double-minimum potential wells containing protons (or deuterons) coupled by harmonic forces. Predictions of this model are compared with observed isotope effects on domain wall mobility and dielectric relaxation in KH2PO4. The model predicts effects previously attributed to tunneling.
V.H. Schmidt, "One-dimensional model for cooperative hydrogen motion in ferroelectric crystals" Ferroelectrics 7, 199-200 (1974).