Unusual B-T phase diagram of the heavy-fermion superconductor CeCu2Si2

Bruls, G.; Wolf, B.; Finsterbusch, D.; Thalmeier, P.; Kouroudis, I.; Sun, W.; Assmus, W.; Lüthi, B.; Lang, M.; Gloos, K.; Steglich, F.; Modler, R.

doi:10.1103/PhysRevLett.72.1754

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Unusual B-T phase diagram of the heavy-fermion superconductor CeCu₂Si₂

Bruls, G., Wolf, B., Finsterbusch, D., Thalmeier, P., Kouroudis, I., Sun, W., et al. (1994). Unusual B-T phase diagram of the heavy-fermion superconductor CeCu₂Si₂. Physical Review Letters, 72(11), 1754-1757. doi:10.1103/PhysRevLett.72.1754.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0019-DD7E-3 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0019-DD80-C

Genre: Journal Article

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Creators:
Bruls, G.¹, Author
Wolf, B.¹, Author
Finsterbusch, D.¹, Author
Thalmeier, P.¹, Author
Kouroudis, I.¹, Author
Sun, W.¹, Author
Assmus, W.¹, Author
Lüthi, B.¹, Author
Lang, M.¹, Author
Gloos, K.¹, Author
Steglich, F.², Author
Modler, R.¹, Author

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1external, ou_persistent22
2External Organizations, ou_persistent22

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Abstract: Elastic constant and thermal expansion data for a high quality single crystal of CeCu2Si2 are presented. The data yield a detailed B-T phase diagram exhibiting a previously unknown high-field phase. From the unusual behavior of the elastic constants and the thermal expansion on entering the superconducting phase we deduce that, in contrast to other heavy-fermion superconductors, the superconducting phase of CeCU2Si2 does not coexist with the surrounding phase.

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Dates: Date issued: 1994-03-14

Publication Status: Issued

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Identifiers: ISI: A1994NA49200046
DOI: 10.1103/PhysRevLett.72.1754

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Title: Physical Review Letters

Other : Phys. Rev. Lett.

Source Genre: Journal

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Publ. Info: Woodbury, N.Y. : American Physical Society

Pages: - Volume / Issue: 72 (11) Sequence Number: - Start / End Page: 1754 - 1757 Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1