Magnetic properties, Mössbauer measurements, and specific-heat studies of La2MCu2O6 (M=Ca or Sr) compounds

I. Felner; D. Hechel; E. R. Yacoby; G. Hilscher; T. Holubar; G. Schaudy

doi:10.1103/PhysRevB.47.12190

Magnetic properties, Mössbauer measurements, and specific-heat studies of La2MCu2O6 (M=Ca or Sr) compounds

I. Felner^*, D. Hechel, E. R. Yacoby, G. Hilscher, T. Holubar, G. Schaudy

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

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Abstract

Magnetic-susceptibility powder-x-ray-diffraction Mössbauer studies on doped57 samples and specific-heat measurements were used to study the magnetic nature of La2MCu2O6 and La1.6Sr0.4CaCu2O6 materials. The fivefold pyramidal coordination of the double CuO2 planes is similar to that of the Cu(2) site in YBa2Cu3Oz 6<z<7. All the compounds studied are not superconducting and order antiferromagnetically at TN=10-20 K, which is extremely low as compared with TN=420 K, obtained for nonsuperconducting YBa2Cu3O6. The presence of Fe does not affect TN. The specific-heat curves do not show any anomaly at TN, and the electronic specific-heat coefficient is around 4 mJ/mol K2.

Original language	English
Pages (from-to)	12190-12196
Number of pages	7
Journal	Physical Review B
Volume	47
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevB.47.12190
State	Published - 1993

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10.1103/PhysRevB.47.12190

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author = "I. Felner and D. Hechel and Yacoby, {E. R.} and G. Hilscher and T. Holubar and G. Schaudy",

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AU - Hilscher, G.

AU - Holubar, T.

AU - Schaudy, G.

PY - 1993

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AB - Magnetic-susceptibility powder-x-ray-diffraction Mössbauer studies on doped57 samples and specific-heat measurements were used to study the magnetic nature of La2MCu2O6 and La1.6Sr0.4CaCu2O6 materials. The fivefold pyramidal coordination of the double CuO2 planes is similar to that of the Cu(2) site in YBa2Cu3Oz 6

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Magnetic properties, Mössbauer measurements, and specific-heat studies of La2MCu2O6 (M=Ca or Sr) compounds

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