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Coherent and incoherent order of holmium 4f-moments in the 90 K superconductor HoBa2Cu3O7 below 300 mK by S. Barth; P. Birrer; F.N. Gygax; B. Hitti; F. Hulliger; E. Lippelt; H.R. Ott; A. Schenck is a Physics and Astronomy article available to read on EtoBox.

What is Coherent and incoherent order of holmium 4f-moments in the 90 K superconductor HoBa2Cu3O7 below 300 mK about?

Zero field #uSR studies of a polycrystalline sintered sample of HoBa=CusOr\_6 between 39 mK and 300 mK revealed oscillating and nonoscillating components in the pSR signal. The frequency is 2.8 MHz (B~ \_~ 207 G) at 39 mK, it drops to ~ 1.7 MHz above 75 mK and remains at this value up to 300 inK. The relaxation rates of both signals are essentially temperature independent in the studied range. The oscillating component implies some coherent, probably antiferromagnetic order in most of the sample volume at 39 mK while the nonoscillating component points to some incoherent, perhaps spin glass like order in the remaining volume.

Who reads Coherent and incoherent order of holmium 4f-moments in the 90 K superconductor HoBa2Cu3O7 below 300 mK?

Author

S. Barth; P. Birrer; F.N. Gygax; B. Hitti; F. Hulliger; E. Lippelt; H.R. Ott; A. Schenck

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0921-4534)

Published

1988

Language

EN

Field

Physics and Astronomy (Physical Sciences)