Intermodulation of the two incommensurate waves in Bi2−xPbxSr2CaCu2Oy superconducting crystals

L. Pierre; J. Schneck; J. C. Tolédano; C. Daguet

doi:10.1103/PhysRevB.41.766

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Intermodulation of the two incommensurate waves in Bi2−xPbxSr2CaCu2Oy superconducting crystals

L. Pierre, J. Schneck, J. C. Tolédano, C. Daguet

DOI 10.1103/PhysRevB.41.766 · Physical Review B

T1

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Abstract

X-ray precession experiments on X-ray precession experiments on Bi1.75Pb0.25Sr2CaCu2Oy single crystals show that, beside the previously reported incommensurate satellites at q1=δb*+c* and q2=δ2b*, there are reflections at (q1+q2) and (q1-q2). This result shows that lead addition in (2:2:1:2) bismuth compounds can induce, homogeneously in the crystal, a doubly modulated (q1,q2) state corresponding to an intermodulation of the two incommensurate waves with wave vectors q1 and q2. .AE

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
Bi2-xPbxSr2CaCu2Oy Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
Bi1.75Pb0.25Sr2CaCu2Oy Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown