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Strong peak in Tc of Sr2RuO4 under uniaxial pressure

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Strong peak in Tc of Sr2RuO4 under uniaxial pressure. / Steppke, Alexander; Zhao, Lishan; Barber, Mark; Scaffidi, Thomas; Jerzembeck, Fabian; Rosner, Helge; Gibbs, Alexandra Sarah; Maeno, Yoshiteru; Simon, Steven H; Mackenzie, Andrew Peter; Hicks, Clifford.

In: Science, Vol. 355, No. 6321, eaaf9398, 13.01.2017, p. 1-9.

Research output: Contribution to journalArticlepeer-review

Harvard

Steppke, A, Zhao, L, Barber, M, Scaffidi, T, Jerzembeck, F, Rosner, H, Gibbs, AS, Maeno, Y, Simon, SH, Mackenzie, AP & Hicks, C 2017, 'Strong peak in Tc of Sr2RuO4 under uniaxial pressure', Science, vol. 355, no. 6321, eaaf9398, pp. 1-9. https://doi.org/10.1126/science.aaf9398

APA

Steppke, A., Zhao, L., Barber, M., Scaffidi, T., Jerzembeck, F., Rosner, H., Gibbs, A. S., Maeno, Y., Simon, S. H., Mackenzie, A. P., & Hicks, C. (2017). Strong peak in Tc of Sr2RuO4 under uniaxial pressure. Science, 355(6321), 1-9. [eaaf9398]. https://doi.org/10.1126/science.aaf9398

Vancouver

Steppke A, Zhao L, Barber M, Scaffidi T, Jerzembeck F, Rosner H et al. Strong peak in Tc of Sr2RuO4 under uniaxial pressure. Science. 2017 Jan 13;355(6321):1-9. eaaf9398. https://doi.org/10.1126/science.aaf9398

Author

Steppke, Alexander ; Zhao, Lishan ; Barber, Mark ; Scaffidi, Thomas ; Jerzembeck, Fabian ; Rosner, Helge ; Gibbs, Alexandra Sarah ; Maeno, Yoshiteru ; Simon, Steven H ; Mackenzie, Andrew Peter ; Hicks, Clifford. / Strong peak in Tc of Sr2RuO4 under uniaxial pressure. In: Science. 2017 ; Vol. 355, No. 6321. pp. 1-9.

Bibtex - Download

@article{bdb89eef987f483a8427e520f038ff8f,
title = "Strong peak in Tc of Sr2RuO4 under uniaxial pressure",
abstract = "Sr2RuO4 is an unconventional superconductor that has attracted widespread study because of its high purity and the possibility that its superconducting order parameter has odd parity. We study the dependence of its superconductivity on anisotropic strain. Applying uniaxial pressures of up to ~1 gigapascals along a 〈100〉 direction (a axis) of the crystal lattice results in the transition temperature (Tc) increasing from 1.5 kelvin in the unstrained material to 3.4 kelvin at compression by ≈0.6%, and then falling steeply. Calculations give evidence that the observed maximum Tc occurs at or near a Lifshitz transition when the Fermi level passes through a Van Hove singularity, and open the possibility that the highly strained, Tc = 3.4 K Sr2RuO4 has an even-parity, rather than an odd-parity, order parameter.",
author = "Alexander Steppke and Lishan Zhao and Mark Barber and Thomas Scaffidi and Fabian Jerzembeck and Helge Rosner and Gibbs, {Alexandra Sarah} and Yoshiteru Maeno and Simon, {Steven H} and Mackenzie, {Andrew Peter} and Clifford Hicks",
year = "2017",
month = jan,
day = "13",
doi = "10.1126/science.aaf9398",
language = "English",
volume = "355",
pages = "1--9",
journal = "Science",
issn = "0036-8075",
publisher = "AMER ASSOC ADVANCEMENT SCIENCE",
number = "6321",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Strong peak in Tc of Sr2RuO4 under uniaxial pressure

AU - Steppke, Alexander

AU - Zhao, Lishan

AU - Barber, Mark

AU - Scaffidi, Thomas

AU - Jerzembeck, Fabian

AU - Rosner, Helge

AU - Gibbs, Alexandra Sarah

AU - Maeno, Yoshiteru

AU - Simon, Steven H

AU - Mackenzie, Andrew Peter

AU - Hicks, Clifford

PY - 2017/1/13

Y1 - 2017/1/13

N2 - Sr2RuO4 is an unconventional superconductor that has attracted widespread study because of its high purity and the possibility that its superconducting order parameter has odd parity. We study the dependence of its superconductivity on anisotropic strain. Applying uniaxial pressures of up to ~1 gigapascals along a 〈100〉 direction (a axis) of the crystal lattice results in the transition temperature (Tc) increasing from 1.5 kelvin in the unstrained material to 3.4 kelvin at compression by ≈0.6%, and then falling steeply. Calculations give evidence that the observed maximum Tc occurs at or near a Lifshitz transition when the Fermi level passes through a Van Hove singularity, and open the possibility that the highly strained, Tc = 3.4 K Sr2RuO4 has an even-parity, rather than an odd-parity, order parameter.

AB - Sr2RuO4 is an unconventional superconductor that has attracted widespread study because of its high purity and the possibility that its superconducting order parameter has odd parity. We study the dependence of its superconductivity on anisotropic strain. Applying uniaxial pressures of up to ~1 gigapascals along a 〈100〉 direction (a axis) of the crystal lattice results in the transition temperature (Tc) increasing from 1.5 kelvin in the unstrained material to 3.4 kelvin at compression by ≈0.6%, and then falling steeply. Calculations give evidence that the observed maximum Tc occurs at or near a Lifshitz transition when the Fermi level passes through a Van Hove singularity, and open the possibility that the highly strained, Tc = 3.4 K Sr2RuO4 has an even-parity, rather than an odd-parity, order parameter.

U2 - 10.1126/science.aaf9398

DO - 10.1126/science.aaf9398

M3 - Article

VL - 355

SP - 1

EP - 9

JO - Science

JF - Science

SN - 0036-8075

IS - 6321

M1 - eaaf9398

ER -

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