Neutron diffraction study of the heavy fermion superconductors UM2Al3(M=Pd, Ni)

Krimmel, A.; Fischer, P.; Roessli, B.; Maletta, H.; Geibel, C.; Schank, C.; Grauel, A.; Loidl, A.; Steglich, F.

doi:10.1007/BF01313821

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Neutron diffraction study of the heavy fermion superconductors UM₂Al₃(M=Pd, Ni)

Krimmel, A., Fischer, P., Roessli, B., Maletta, H., Geibel, C., Schank, C., et al. (1992). Neutron diffraction study of the heavy fermion superconductors UM₂Al₃(M=Pd, Ni). Zeitschrift für Physik B, 86(2), 161-162. doi:10.1007/BF01313821.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0019-D6F4-2 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0019-D6F5-F

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Krimmel, A.¹, Author
Fischer, P.¹, Author
Roessli, B.¹, Author
Maletta, H.¹, Author
Geibel, C.¹, Author
Schank, C.¹, Author
Grauel, A.¹, Author
Loidl, A.¹, Author
Steglich, F.², Author

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1external, ou_persistent22
2External Organizations, ou_persistent22

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Abstract: An elastic neutron scattering study was performed on the new superconducting heavy fermion systems UPd2Al3 and UNi2Al3. The neutron diffraction patterns reveal unambiguously long range antiferromagnetic order in UPd2Al3 with an ordered magnetic moment mu(U) = (0.85 +/- 0.03) mu(B), which coexists with the superconducting state. This is by far the largest mu(U) value observed for any heavy fermion superconductor. For UNi2Al3, no long-range magnetic order could be observed for temperatures T greater-than-or-equal-to 1.5 K, yielding an upper limit of the ordered moment of 0.2-mu(B).

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Dates: Date issued: 1992-09-02

Publication Status: Issued

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Identifiers: ISI: A1992HD31000002
DOI: 10.1007/BF01313821

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Title: Zeitschrift für Physik B

Other : Zeitschrift für Physik B Condensed Matter

Source Genre: Journal

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Publ. Info: Springer-Verlag

Pages: - Volume / Issue: 86 (2) Sequence Number: - Start / End Page: 161 - 162 Identifier: CoNE: https://pure.mpg.de/cone/journals/resource/0722-3277