The synthesis, structure and physical properties of the layered ruthenocuprates RuSr2GdCu2O8 and Pb2Sr2Cu2RuO8Cl

Abbie McLaughlin; J P  Attfield

doi:10.1007/3-540-45814-X_11

The synthesis, structure and physical properties of the layered ruthenocuprates RuSr2GdCu2O8 and Pb2Sr2Cu2RuO8Cl

Abbie McLaughlin, J P Attfield

Chemistry

Research output: Chapter in Book/Report/Conference proceeding › Chapter (peer-reviewed) › peer-review

Abstract

Studies of the structure and physical properties of the layered ruthenocuprates RuSr2GdCu2O8 and Pb2Sr2Cu2RuO8Cl are reviewed. RuSr2GdCu2O8 is a weak ferromagnetic superconductor and doping studies have shown that it is possible to tune the magnetic and superconducting transitions simultaneously. The average crystal structure of RuSr2GdCu2O8 is tetragonal at both 10 and 295 K (space group P4/mmm), but a root2a x root2a x c superstructure resulting from coherent rotations of the RuO6 octahedra within subdomains of 50-200 Angstrom is observed by selected area electron diffraction (SAED). The same tilts and rotations of the RuO6 octahedra are observed in semiconducting Pb2Sr2Cu2RuO8Cl, which has strikingly similar magnetic properties to RuSr2GdCu2O8. Antiferromagnetic order is observed in the 10 K neutron diffraction pattern with a Ru moment of 1.1(1) muB, but a spin-flop transition is observed above a field of 0.5 T.

Original language	English
Title of host publication	Ruthenate and Rutheno-Cuprate Materials
Subtitle of host publication	Unconventional Superconductivity, Magnetism and Quantum Phase Transitions
Editors	C Noce, A Vecchione, M Cuoco, A. Romano
Place of Publication	Berlin
Publisher	Springer
Pages	160-175
Number of pages	16
Volume	603
ISBN (Electronic)	978-3-540-45814-2
ISBN (Print)	3-540-44275-8
DOIs	https://doi.org/10.1007/3-540-45814-X_11
Publication status	Published - 2002

Publication series

Name	Lecture Notes in Physics
Publisher	Springer
Volume	603
ISSN (Print)	0075-8450

Keywords

FERROMAGNETIC SUPERCONDUCTOR RUSR2GDCU2O8
CRYSTAL-STRUCTURE
DC MAGNETIZATION
SEPARATING LAYER
CUPRATE
TRANSITION
COEXISTENCE
TEMPERATURE
ANOMALIES
BA2YCU3OX

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McLaughlin, A., & Attfield, J. P. (2002). The synthesis, structure and physical properties of the layered ruthenocuprates RuSr2GdCu2O8 and Pb2Sr2Cu2RuO8Cl. In C. Noce, A. Vecchione, M. Cuoco, & A. Romano (Eds.), Ruthenate and Rutheno-Cuprate Materials: Unconventional Superconductivity, Magnetism and Quantum Phase Transitions (Vol. 603, pp. 160-175). (Lecture Notes in Physics; Vol. 603). Springer . https://doi.org/10.1007/3-540-45814-X_11

The synthesis, structure and physical properties of the layered ruthenocuprates RuSr2GdCu2O8 and Pb2Sr2Cu2RuO8Cl. / McLaughlin, Abbie; Attfield, J P .
Ruthenate and Rutheno-Cuprate Materials: Unconventional Superconductivity, Magnetism and Quantum Phase Transitions. ed. / C Noce; A Vecchione; M Cuoco; A. Romano. Vol. 603 Berlin: Springer , 2002. p. 160-175 (Lecture Notes in Physics; Vol. 603).

Research output: Chapter in Book/Report/Conference proceeding › Chapter (peer-reviewed) › peer-review

McLaughlin, A & Attfield, JP 2002, The synthesis, structure and physical properties of the layered ruthenocuprates RuSr2GdCu2O8 and Pb2Sr2Cu2RuO8Cl. in C Noce, A Vecchione, M Cuoco & A Romano (eds), Ruthenate and Rutheno-Cuprate Materials: Unconventional Superconductivity, Magnetism and Quantum Phase Transitions. vol. 603, Lecture Notes in Physics, vol. 603, Springer , Berlin, pp. 160-175. https://doi.org/10.1007/3-540-45814-X_11

McLaughlin A, Attfield JP. The synthesis, structure and physical properties of the layered ruthenocuprates RuSr2GdCu2O8 and Pb2Sr2Cu2RuO8Cl. In Noce C, Vecchione A, Cuoco M, Romano A, editors, Ruthenate and Rutheno-Cuprate Materials: Unconventional Superconductivity, Magnetism and Quantum Phase Transitions. Vol. 603. Berlin: Springer . 2002. p. 160-175. (Lecture Notes in Physics). doi: 10.1007/3-540-45814-X_11

McLaughlin, Abbie ; Attfield, J P . / The synthesis, structure and physical properties of the layered ruthenocuprates RuSr2GdCu2O8 and Pb2Sr2Cu2RuO8Cl. Ruthenate and Rutheno-Cuprate Materials: Unconventional Superconductivity, Magnetism and Quantum Phase Transitions. editor / C Noce ; A Vecchione ; M Cuoco ; A. Romano. Vol. 603 Berlin : Springer , 2002. pp. 160-175 (Lecture Notes in Physics).

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abstract = "Studies of the structure and physical properties of the layered ruthenocuprates RuSr2GdCu2O8 and Pb2Sr2Cu2RuO8Cl are reviewed. RuSr2GdCu2O8 is a weak ferromagnetic superconductor and doping studies have shown that it is possible to tune the magnetic and superconducting transitions simultaneously. The average crystal structure of RuSr2GdCu2O8 is tetragonal at both 10 and 295 K (space group P4/mmm), but a root2a x root2a x c superstructure resulting from coherent rotations of the RuO6 octahedra within subdomains of 50-200 Angstrom is observed by selected area electron diffraction (SAED). The same tilts and rotations of the RuO6 octahedra are observed in semiconducting Pb2Sr2Cu2RuO8Cl, which has strikingly similar magnetic properties to RuSr2GdCu2O8. Antiferromagnetic order is observed in the 10 K neutron diffraction pattern with a Ru moment of 1.1(1) muB, but a spin-flop transition is observed above a field of 0.5 T.",

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N2 - Studies of the structure and physical properties of the layered ruthenocuprates RuSr2GdCu2O8 and Pb2Sr2Cu2RuO8Cl are reviewed. RuSr2GdCu2O8 is a weak ferromagnetic superconductor and doping studies have shown that it is possible to tune the magnetic and superconducting transitions simultaneously. The average crystal structure of RuSr2GdCu2O8 is tetragonal at both 10 and 295 K (space group P4/mmm), but a root2a x root2a x c superstructure resulting from coherent rotations of the RuO6 octahedra within subdomains of 50-200 Angstrom is observed by selected area electron diffraction (SAED). The same tilts and rotations of the RuO6 octahedra are observed in semiconducting Pb2Sr2Cu2RuO8Cl, which has strikingly similar magnetic properties to RuSr2GdCu2O8. Antiferromagnetic order is observed in the 10 K neutron diffraction pattern with a Ru moment of 1.1(1) muB, but a spin-flop transition is observed above a field of 0.5 T.

AB - Studies of the structure and physical properties of the layered ruthenocuprates RuSr2GdCu2O8 and Pb2Sr2Cu2RuO8Cl are reviewed. RuSr2GdCu2O8 is a weak ferromagnetic superconductor and doping studies have shown that it is possible to tune the magnetic and superconducting transitions simultaneously. The average crystal structure of RuSr2GdCu2O8 is tetragonal at both 10 and 295 K (space group P4/mmm), but a root2a x root2a x c superstructure resulting from coherent rotations of the RuO6 octahedra within subdomains of 50-200 Angstrom is observed by selected area electron diffraction (SAED). The same tilts and rotations of the RuO6 octahedra are observed in semiconducting Pb2Sr2Cu2RuO8Cl, which has strikingly similar magnetic properties to RuSr2GdCu2O8. Antiferromagnetic order is observed in the 10 K neutron diffraction pattern with a Ru moment of 1.1(1) muB, but a spin-flop transition is observed above a field of 0.5 T.

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PB - Springer

CY - Berlin

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The synthesis, structure and physical properties of the layered ruthenocuprates RuSr2GdCu2O8 and Pb2Sr2Cu2RuO8Cl

Abstract

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