Structural and electronic response upon hole doping of rare-earth iron oxyarsenides Nd1-xSrxFeAsO (0 < x ≤ 0.2)

Karolina Kasperkiewicz; Jan Willem G. Bos; Andrew N. Fitch; Kosmas Prassides; Serena Margadonna

doi:10.1039/b815830d

Structural and electronic response upon hole doping of rare-earth iron oxyarsenides Nd_1-xSr_xFeAsO (0 < x ≤ 0.2)

Karolina Kasperkiewicz, Jan Willem G. Bos, Andrew N. Fitch, Kosmas Prassides, Serena Margadonna

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

40 Citations (Scopus)

Abstract

Hole doping of NdFeAsO via partial replacement of Nd³⁺ by Sr²⁺ is a successful route to obtaining superconducting phases (T_c = 13.5 K for a Sr²⁺ content of 20%); however, the structural and electronic response with doping is different from and non-symmetric to that in the electron-doped side of the phase diagram.

Original language	English
Pages (from-to)	707-709
Number of pages	3
Journal	Chemical Communications
Issue number	6
DOIs	https://doi.org/10.1039/b815830d
Publication status	Published - 2009 Feb 2
Externally published	Yes

ASJC Scopus subject areas

Catalysis
Electronic, Optical and Magnetic Materials
Ceramics and Composites
Chemistry(all)
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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10.1039/b815830d

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abstract = "Hole doping of NdFeAsO via partial replacement of Nd3+ by Sr2+ is a successful route to obtaining superconducting phases (Tc = 13.5 K for a Sr2+ content of 20%); however, the structural and electronic response with doping is different from and non-symmetric to that in the electron-doped side of the phase diagram.",

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AU - Margadonna, Serena

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AB - Hole doping of NdFeAsO via partial replacement of Nd3+ by Sr2+ is a successful route to obtaining superconducting phases (Tc = 13.5 K for a Sr2+ content of 20%); however, the structural and electronic response with doping is different from and non-symmetric to that in the electron-doped side of the phase diagram.

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