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Field-induced orientation of nonlevitated microcrystals of superconducting YBa2Cu3O7−x

S. A. Solin, N. Garcia, S. Vieira, M. Hortal

DOI 10.1103/PhysRevLett.60.744 · Physical Review Letters

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Abstract

X-ray diffraction patterns of superconducting YBa2Cu3O7−x particles which have typical dimensions D<5 μm and do not levitate in an inhomogeneous magnetic field at T<Tc show marked evidence of particle alignment when powder specimens are subjected to a 0.5-T field at T<Tc, but reveal random orientation for T>Tc. A majority of the particles align preferentially with their antiphase twin boundary planes and a-b planes along the applied field, but a minority align with their b axes along the field.

Source-reported materials — not catalogue approval

FormulaReported Tc (K)Pressure (GPa)Type
YBa2Cu3O7-x

Archive — visibility unverified

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92Pressure unresolvedunknown
YBa2Cu3O7-x

Archive — visibility unverified

Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.

90Pressure not reportedunknown

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