Weak ferromagnetic order and possible high-T c superconductivity in the RuCa 2RCu 2O 8+δ ruthenium-cuprate

H. C. Ku; C. Y. Yang; B. C. Chang; B. N. Lin; Y. Y. Hsu; M. F. Tai

doi:10.1063/1.1853274

Weak ferromagnetic order and possible high-T _c superconductivity in the RuCa ₂RCu ₂O _8+δ ruthenium-cuprate

H. C. Ku^*, C. Y. Yang, B. C. Chang, B. N. Lin, Y. Y. Hsu, M. F. Tai

^*Corresponding author for this work

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

3 Citations (Scopus)

Abstract

Weak ferromagnetic order with ordering temperature Tm ~47 K and possible superconducting transition with Tc ~37 K are observed for the ruthenium-cuprate RuCa2 PrCu2 O8+δ with the orthorhombic distortion of the tetragonal RuSr2 GdCu2 O8+δ -type [with Tm ~136 K and Tc (max) ~65 K] phase. Anomalous temperature dependent magnetization Mm (T) in both field-cooled and zero-field-cooled modes and isothermal magnetic hysteresis Mm (Ba) below and above Tm and Tc indicates a very complicated coexistence and interplay between weak-ferromagnetic order and possible superconductivity.

Original language	English
Article number	10B110
Journal	Journal of Applied Physics
Volume	97
Issue number	10
DOIs	https://doi.org/10.1063/1.1853274
Publication status	Published - 2005 May 15
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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title = "Weak ferromagnetic order and possible high-T c superconductivity in the RuCa 2RCu 2O 8+δ ruthenium-cuprate",

abstract = "Weak ferromagnetic order with ordering temperature Tm ~47 K and possible superconducting transition with Tc ~37 K are observed for the ruthenium-cuprate RuCa2 PrCu2 O8+δ with the orthorhombic distortion of the tetragonal RuSr2 GdCu2 O8+δ -type [with Tm ~136 K and Tc (max) ~65 K] phase. Anomalous temperature dependent magnetization Mm (T) in both field-cooled and zero-field-cooled modes and isothermal magnetic hysteresis Mm (Ba) below and above Tm and Tc indicates a very complicated coexistence and interplay between weak-ferromagnetic order and possible superconductivity.",

author = "Ku, {H. C.} and Yang, {C. Y.} and Chang, {B. C.} and Lin, {B. N.} and Hsu, {Y. Y.} and Tai, {M. F.}",

note = "Funding Information: This work was supported by the National Science Council of ROC under contract Nos. NSC92-2112-M007-005 and M030. ",

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T1 - Weak ferromagnetic order and possible high-T c superconductivity in the RuCa 2RCu 2O 8+δ ruthenium-cuprate

AU - Ku, H. C.

AU - Yang, C. Y.

AU - Chang, B. C.

AU - Lin, B. N.

AU - Hsu, Y. Y.

AU - Tai, M. F.

N1 - Funding Information: This work was supported by the National Science Council of ROC under contract Nos. NSC92-2112-M007-005 and M030.

PY - 2005/5/15

Y1 - 2005/5/15

N2 - Weak ferromagnetic order with ordering temperature Tm ~47 K and possible superconducting transition with Tc ~37 K are observed for the ruthenium-cuprate RuCa2 PrCu2 O8+δ with the orthorhombic distortion of the tetragonal RuSr2 GdCu2 O8+δ -type [with Tm ~136 K and Tc (max) ~65 K] phase. Anomalous temperature dependent magnetization Mm (T) in both field-cooled and zero-field-cooled modes and isothermal magnetic hysteresis Mm (Ba) below and above Tm and Tc indicates a very complicated coexistence and interplay between weak-ferromagnetic order and possible superconductivity.

AB - Weak ferromagnetic order with ordering temperature Tm ~47 K and possible superconducting transition with Tc ~37 K are observed for the ruthenium-cuprate RuCa2 PrCu2 O8+δ with the orthorhombic distortion of the tetragonal RuSr2 GdCu2 O8+δ -type [with Tm ~136 K and Tc (max) ~65 K] phase. Anomalous temperature dependent magnetization Mm (T) in both field-cooled and zero-field-cooled modes and isothermal magnetic hysteresis Mm (Ba) below and above Tm and Tc indicates a very complicated coexistence and interplay between weak-ferromagnetic order and possible superconductivity.

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Weak ferromagnetic order and possible high-T _c superconductivity in the RuCa ₂RCu ₂O _8+δ ruthenium-cuprate

Abstract

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