Cu63 NMR shift and linewidth anomalies in the Tc=60 K phase of Y-Ba-Cu-O

R. E. Walstedt, W. W. Warren, R. F. Bell, R. J. Cava, G. P. Espinosa, Lynn Schneemeyer, J. V. Waszczak

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Abstract

Cu63 NMR shifts and spectra are presented for both Cu(1) and Cu(2) sites in a specimen of YBazCu3O6.64 (Tc60 K). For H along the c axis, the Cu(2) shift is not distinguishable from that reported for YBa2Cu3O7.0. For H in the a-b plane, the spin component of Cu(2) shift declines sharply as TTc. The Cu(1) shift behaves similarly, showing also a dramatic broadening at low temperatures in clearly nonmetallic behavior. Combined with anomalous T1 data reported earlier for the 60-K phase of YBa2Cu3O6+x, these results are shown to be consistent with strong and monotonically increasing antiferromagnetic correlations as T is decreased.

Original languageEnglish
Pages (from-to)9574-9577
Number of pages4
JournalPhysical Review B
Volume41
Issue number13
DOIs
StatePublished - 1 Jan 1990

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Walstedt, R. E., Warren, W. W., Bell, R. F., Cava, R. J., Espinosa, G. P., Schneemeyer, L., & Waszczak, J. V. (1990). Cu63 NMR shift and linewidth anomalies in the Tc=60 K phase of Y-Ba-Cu-O. Physical Review B, 41(13), 9574-9577. https://doi.org/10.1103/PhysRevB.41.9574
Walstedt, R. E. ; Warren, W. W. ; Bell, R. F. ; Cava, R. J. ; Espinosa, G. P. ; Schneemeyer, Lynn ; Waszczak, J. V. / Cu63 NMR shift and linewidth anomalies in the Tc=60 K phase of Y-Ba-Cu-O. In: Physical Review B. 1990 ; Vol. 41, No. 13. pp. 9574-9577.
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abstract = "Cu63 NMR shifts and spectra are presented for both Cu(1) and Cu(2) sites in a specimen of YBazCu3O6.64 (Tc60 K). For H along the c axis, the Cu(2) shift is not distinguishable from that reported for YBa2Cu3O7.0. For H in the a-b plane, the spin component of Cu(2) shift declines sharply as TTc. The Cu(1) shift behaves similarly, showing also a dramatic broadening at low temperatures in clearly nonmetallic behavior. Combined with anomalous T1 data reported earlier for the 60-K phase of YBa2Cu3O6+x, these results are shown to be consistent with strong and monotonically increasing antiferromagnetic correlations as T is decreased.",
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Walstedt, RE, Warren, WW, Bell, RF, Cava, RJ, Espinosa, GP, Schneemeyer, L & Waszczak, JV 1990, 'Cu63 NMR shift and linewidth anomalies in the Tc=60 K phase of Y-Ba-Cu-O', Physical Review B, vol. 41, no. 13, pp. 9574-9577. https://doi.org/10.1103/PhysRevB.41.9574

Cu63 NMR shift and linewidth anomalies in the Tc=60 K phase of Y-Ba-Cu-O. / Walstedt, R. E.; Warren, W. W.; Bell, R. F.; Cava, R. J.; Espinosa, G. P.; Schneemeyer, Lynn; Waszczak, J. V.

In: Physical Review B, Vol. 41, No. 13, 01.01.1990, p. 9574-9577.

Research output: Contribution to journalArticleResearchpeer-review

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T1 - Cu63 NMR shift and linewidth anomalies in the Tc=60 K phase of Y-Ba-Cu-O

AU - Walstedt, R. E.

AU - Warren, W. W.

AU - Bell, R. F.

AU - Cava, R. J.

AU - Espinosa, G. P.

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AU - Waszczak, J. V.

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N2 - Cu63 NMR shifts and spectra are presented for both Cu(1) and Cu(2) sites in a specimen of YBazCu3O6.64 (Tc60 K). For H along the c axis, the Cu(2) shift is not distinguishable from that reported for YBa2Cu3O7.0. For H in the a-b plane, the spin component of Cu(2) shift declines sharply as TTc. The Cu(1) shift behaves similarly, showing also a dramatic broadening at low temperatures in clearly nonmetallic behavior. Combined with anomalous T1 data reported earlier for the 60-K phase of YBa2Cu3O6+x, these results are shown to be consistent with strong and monotonically increasing antiferromagnetic correlations as T is decreased.

AB - Cu63 NMR shifts and spectra are presented for both Cu(1) and Cu(2) sites in a specimen of YBazCu3O6.64 (Tc60 K). For H along the c axis, the Cu(2) shift is not distinguishable from that reported for YBa2Cu3O7.0. For H in the a-b plane, the spin component of Cu(2) shift declines sharply as TTc. The Cu(1) shift behaves similarly, showing also a dramatic broadening at low temperatures in clearly nonmetallic behavior. Combined with anomalous T1 data reported earlier for the 60-K phase of YBa2Cu3O6+x, these results are shown to be consistent with strong and monotonically increasing antiferromagnetic correlations as T is decreased.

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