Chemical pressure and physical pressure in BaFe2(As 1-xPx)2

Lina E. Klintberg; Swee K. Goh; Shigeru Kasahara; Yusuke Nakai; Kenji Ishida; Michael Sutherland; Takasada Shibauchi; Yuji Matsuda; Takahito Terashima

doi:10.1143/JPSJ.79.123706

Chemical pressure and physical pressure in BaFe₂(As _1-xP_x)₂

Lina E. Klintberg, Swee K. Goh, Shigeru Kasahara, Yusuke Nakai, Kenji Ishida, Michael Sutherland, Takasada Shibauchi, Yuji Matsuda, Takahito Terashima

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

47 Citations (Scopus)

Abstract

Measurements of the superconducting transition temperature, T_c, under hydrostatic pressure via bulk AC susceptibility were carried out on several concentrations of phosphorous substitution in BaFe₂-(As _1-xP_x)₂. The pressure dependence of unsubstituted BaFe₂As₂, phosphorous concentration dependence of BaFe₂(As_1-xP_x)₂, as well as the pressure dependence of BaFe₂(As_1-xP _x)₂ all point towards an identical maximum T_c of 31 K. This demonstrates that phosphorous substitution and physical pressure result in similar superconducting phase diagrams, and that phosphorous substitution does not induce substantial impurity scattering.

Original language	English
Article number	123706
Journal	journal of the physical society of japan
Volume	79
Issue number	12
DOIs	https://doi.org/10.1143/JPSJ.79.123706
Publication status	Published - Dec 2010
Externally published	Yes

Keywords

Isoelectronic substitution
Pnictides
Pressure
Superconductivity

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1143/JPSJ.79.123706

Cite this

Chemical pressure and physical pressure in BaFe₂(As _1-xP_x)₂. / Klintberg, Lina E.; Goh, Swee K.; Kasahara, Shigeru; Nakai, Yusuke; Ishida, Kenji; Sutherland, Michael; Shibauchi, Takasada; Matsuda, Yuji; Terashima, Takahito.

In: journal of the physical society of japan, Vol. 79, No. 12, 123706, 12.2010.

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

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AU - Ishida, Kenji

AU - Sutherland, Michael

AU - Shibauchi, Takasada

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AB - Measurements of the superconducting transition temperature, Tc, under hydrostatic pressure via bulk AC susceptibility were carried out on several concentrations of phosphorous substitution in BaFe2-(As 1-xPx)2. The pressure dependence of unsubstituted BaFe2As2, phosphorous concentration dependence of BaFe2(As1-xPx)2, as well as the pressure dependence of BaFe2(As1-xP x)2 all point towards an identical maximum Tc of 31 K. This demonstrates that phosphorous substitution and physical pressure result in similar superconducting phase diagrams, and that phosphorous substitution does not induce substantial impurity scattering.

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