Coexistence of superconductivity and ferromagnetism in 1212-Ru1 - xMxSr2GdCu2O8 (M = Ti, V, Nb)

Sylvie Malo; Donggeun Ko; Job T. Rijssenbeek; Antoine Maignan; Denis Pelloquin; Vinayak P. Dravid; Kenneth R. Poeppelmeier

doi:10.1016/S1466-6049(00)00075-1

Coexistence of superconductivity and ferromagnetism in 1212-Ru_{1 - x}M_xSr₂GdCu₂O₈ (M = Ti, V, Nb)

Sylvie Malo, Donggeun Ko, Job T. Rijssenbeek, Antoine Maignan^*, Denis Pelloquin, Vinayak P. Dravid, Kenneth R. Poeppelmeier

^*Corresponding author for this work

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

15 Scopus citations

Abstract

The coexistence of superconductivity and ferromagnetism in 1212-RuSr₂GdCu₂O₈ is unique among high-T_c materials. Samples of Ru_{1 - x}M_xSr₂GdCu₂O₈, with M = Ti, V and Nb; and 0≤x≤1, were prepared to elucidate the role of the RuO₂ planes in this interesting layered 1212 cuprate. The solubility ranges of M = Ti and V are limited to x<0.15 whereas that of Nb extends to full substitution. In all cases superconductivity is lost at higher substitution levels (x>0.2), however with vanadium substitution the T_c increases from 20 K to 25 K. The ferromagnetism of the RuO₂ layers is dramatically affected by the electronic configuration of the substituting ion, weakened for M = Ti and Nb and enhanced for M = V. These results indicate that the superconductivity and ferromagnetism are intimately linked to the layered architecture of this 1212 structure.

Original language	English (US)
Pages (from-to)	601-608
Number of pages	8
Journal	International Journal of Inorganic Materials
Volume	2
Issue number	6
DOIs	https://doi.org/10.1016/S1466-6049(00)00075-1
State	Published - 2000

Keywords

Cuprates
D. Superconductivity
Ferromagnetism
Ruthenium

ASJC Scopus subject areas

Materials Chemistry

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title = "Coexistence of superconductivity and ferromagnetism in 1212-Ru1 - xMxSr2GdCu2O8 (M = Ti, V, Nb)",

abstract = "The coexistence of superconductivity and ferromagnetism in 1212-RuSr2GdCu2O8 is unique among high-Tc materials. Samples of Ru1 - xMxSr2GdCu2O8, with M = Ti, V and Nb; and 0≤x≤1, were prepared to elucidate the role of the RuO2 planes in this interesting layered 1212 cuprate. The solubility ranges of M = Ti and V are limited to x<0.15 whereas that of Nb extends to full substitution. In all cases superconductivity is lost at higher substitution levels (x>0.2), however with vanadium substitution the Tc increases from 20 K to 25 K. The ferromagnetism of the RuO2 layers is dramatically affected by the electronic configuration of the substituting ion, weakened for M = Ti and Nb and enhanced for M = V. These results indicate that the superconductivity and ferromagnetism are intimately linked to the layered architecture of this 1212 structure.",

keywords = "Cuprates, D. Superconductivity, Ferromagnetism, Ruthenium",

author = "Sylvie Malo and Donggeun Ko and Rijssenbeek, {Job T.} and Antoine Maignan and Denis Pelloquin and Dravid, {Vinayak P.} and Poeppelmeier, {Kenneth R.}",

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Coexistence of superconductivity and ferromagnetism in 1212-Ru_{1 - x}M_xSr₂GdCu₂O₈ (M = Ti, V, Nb). / Malo, Sylvie; Ko, Donggeun; Rijssenbeek, Job T.; Maignan, Antoine; Pelloquin, Denis; Dravid, Vinayak P.; Poeppelmeier, Kenneth R.

In: International Journal of Inorganic Materials, Vol. 2, No. 6, 2000, p. 601-608.

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

TY - JOUR

T1 - Coexistence of superconductivity and ferromagnetism in 1212-Ru1 - xMxSr2GdCu2O8 (M = Ti, V, Nb)

AU - Malo, Sylvie

AU - Ko, Donggeun

AU - Rijssenbeek, Job T.

AU - Maignan, Antoine

AU - Pelloquin, Denis

AU - Dravid, Vinayak P.

AU - Poeppelmeier, Kenneth R.

PY - 2000

Y1 - 2000

N2 - The coexistence of superconductivity and ferromagnetism in 1212-RuSr2GdCu2O8 is unique among high-Tc materials. Samples of Ru1 - xMxSr2GdCu2O8, with M = Ti, V and Nb; and 0≤x≤1, were prepared to elucidate the role of the RuO2 planes in this interesting layered 1212 cuprate. The solubility ranges of M = Ti and V are limited to x<0.15 whereas that of Nb extends to full substitution. In all cases superconductivity is lost at higher substitution levels (x>0.2), however with vanadium substitution the Tc increases from 20 K to 25 K. The ferromagnetism of the RuO2 layers is dramatically affected by the electronic configuration of the substituting ion, weakened for M = Ti and Nb and enhanced for M = V. These results indicate that the superconductivity and ferromagnetism are intimately linked to the layered architecture of this 1212 structure.

AB - The coexistence of superconductivity and ferromagnetism in 1212-RuSr2GdCu2O8 is unique among high-Tc materials. Samples of Ru1 - xMxSr2GdCu2O8, with M = Ti, V and Nb; and 0≤x≤1, were prepared to elucidate the role of the RuO2 planes in this interesting layered 1212 cuprate. The solubility ranges of M = Ti and V are limited to x<0.15 whereas that of Nb extends to full substitution. In all cases superconductivity is lost at higher substitution levels (x>0.2), however with vanadium substitution the Tc increases from 20 K to 25 K. The ferromagnetism of the RuO2 layers is dramatically affected by the electronic configuration of the substituting ion, weakened for M = Ti and Nb and enhanced for M = V. These results indicate that the superconductivity and ferromagnetism are intimately linked to the layered architecture of this 1212 structure.

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