Nature

, volume 394 , issue 6692 , pages 453-456

Doubling the critical temperature of La1.9Sr0.1CuO4 using epitaxial strain

J.-P. Locquet ¹

J Perret ^{1, 2}

J. Fompeyrine ^{1, 3}

E. Mächler ¹

J. W. Seo ^{1, 2}

G. Van Tendeloo ⁴

Hide authors affiliations Show authors affiliations: 4 affiliations

IBM Research Division, Zurich Research Laboratory, Switzerland |

Institut de Physique, Université de Neuchâtel, Switzerland |

Institute of Inorganic Chemistry, University of Bern, Switzerland |

⁴

EMAT, RUCA, University of Antwerp, Belgium |

Publication type: Journal Article

Publication date: 1998-07-01

Springer Nature

Nature

scimago Q1

wos Q1

SJR: 18.288

CiteScore: 78.1

Impact factor: 48.5

ISSN: 00280836, 14764687

DOI: 10.1038/28810

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Multidisciplinary

Abstract

The discovery1 of high-temperature superconductivity in copper oxides raised the possibility that superconductivity could be achieved at room temperature. But since 1993, when a critical temperature (T c) of 133 K was observed in the HgBa2Ca2Cu3O8+δ (ref. 2), no further progress has been made in raising the critical temperature through material design. It has been shown, however, that the application of hydrostatic pressure can raise T c — up to ∼164 K in the case of HgBa2Ca2Cu3O8+δ (ref. 3). Here we show, by analysing the uniaxial strain and pressure derivatives of T c, that compressive epitaxial strain in thin films of copper oxide superconductors could in principle generate much larger increases in the critical temperature than obtained by comparable hydrostatic pressures. We demonstrate the experimental feasibility of this approach for the compound La1.9Sr0.1CuO4, where we obtain a critical temperature of 49 K in strained single-crystal thin films — roughly double the bulk value of 25 K. Furthermore, the resistive behaviour at low temperatures (but above T c) of the strained samples changes markedly, going from insulating to metallic.

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GOST Copy

Locquet J. et al. Doubling the critical temperature of La1.9Sr0.1CuO4 using epitaxial strain // Nature. 1998. Vol. 394. No. 6692. pp. 453-456.

GOST all authors (up to 50) Copy

Locquet J., Perret J., Fompeyrine J., Mächler E., Seo J. W., Van Tendeloo G. Doubling the critical temperature of La1.9Sr0.1CuO4 using epitaxial strain // Nature. 1998. Vol. 394. No. 6692. pp. 453-456.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1038/28810

UR - https://doi.org/10.1038/28810

TI - Doubling the critical temperature of La1.9Sr0.1CuO4 using epitaxial strain

T2 - Nature

AU - Locquet, J.-P.

AU - Perret, J

AU - Fompeyrine, J.

AU - Mächler, E.

AU - Seo, J. W.

AU - Van Tendeloo, G.

PY - 1998

DA - 1998/07/01

PB - Springer Nature

SP - 453-456

IS - 6692

VL - 394

SN - 0028-0836

SN - 1476-4687

ER -

BibTex |

Cite this

BibTex (up to 50 authors) Copy

@article{1998_Locquet,

author = {J.-P. Locquet and J Perret and J. Fompeyrine and E. Mächler and J. W. Seo and G. Van Tendeloo},

title = {Doubling the critical temperature of La1.9Sr0.1CuO4 using epitaxial strain},

journal = {Nature},

year = {1998},

volume = {394},

publisher = {Springer Nature},

month = {jul},

url = {https://doi.org/10.1038/28810},

number = {6692},

pages = {453--456},

doi = {10.1038/28810}

}

MLA

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MLA Copy

Locquet, J.-P., et al. “Doubling the critical temperature of La1.9Sr0.1CuO4 using epitaxial strain.” Nature, vol. 394, no. 6692, Jul. 1998, pp. 453-456. https://doi.org/10.1038/28810.

Publisher

Springer Nature

Journal

Nature

scimago Q1

wos Q1

SJR

18.288

CiteScore

78.1

Impact factor

48.5

ISSN

00280836 (Print)

14764687 (Electronic)