On the Influence of a Non-Local Electrodynamics in the Irreversible Magnetization of Non-Magnetic Borocarbides
Silhanek, A. V. · Civale, L. · Thompson, J. R. · Canfield, P. C. · Bud'ko, S. L. · Paul, D. McK. · Tomy, C. V.
Original · EN
We present an overview of the temperature, field and angular dependence of the irreversible magnetization of non-magnetic borocarbides (Y;Lu) Ni₂ B₂ C. We show that nonlocal electrodynamics influences pinning via the unusual behavior of the shear modulus in non-hexagonal lattices. On top of that, we observe that the pinning force density Fₚ exhibits a rich anisotropic behavior that sharply contrasts with its small mass anisotropy. When H c, Fₚ is much larger and has a quite different H dependence, indicating that other pinning mechanisms are present.
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