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

Abbie McLaughlin, J P Attfield

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)

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 languageEnglish
Title of host publicationRuthenate and Rutheno-Cuprate Materials
Subtitle of host publicationUnconventional Superconductivity, Magnetism and Quantum Phase Transitions
EditorsC Noce, A Vecchione, M Cuoco, A. Romano
Place of PublicationBerlin
PublisherSpringer
Pages160-175
Number of pages16
Volume603
ISBN (Electronic)978-3-540-45814-2
ISBN (Print)3-540-44275-8
DOIs
Publication statusPublished - 2002

Publication series

NameLecture Notes in Physics
PublisherSpringer
Volume603
ISSN (Print)0075-8450

Keywords

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

Cite this

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). Berlin: 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 proceedingChapter (peer-reviewed)

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). https://doi.org/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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KW - CUPRATE

KW - TRANSITION

KW - COEXISTENCE

KW - TEMPERATURE

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KW - BA2YCU3OX

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