✦ LIBER ✦

27Al NMR study of

✍ Scribed by K.H. Kang; B.J. Mean; J.H. Kim; I.N. Hyun; Moohee Lee; B.K. Cho; J.S. Cho

Book ID: 103886264
Publisher: Elsevier Science
Year: 2006
Tongue: English
Weight: 95 KB
Volume: 378-380
Category: Article
ISSN: 0921-4526
DOI: 10.1016/j.physb.2006.01.441

No coin nor oath required. For personal study only.

✦ Synopsis

We have performed 27 Al and 55 Mn nuclear magnetic resonance (NMR) measurements on a single crystal of YMn 4 Al 3 at 8 T. 27 Al NMR spectrum shows two sets of satellites from two different Al sites. Based on the difference in NMR shift, linewidth and relaxation rates, two sets of NMR resonance peaks were assigned to the respective Al sites. NMR shift and spin-lattice and transverse relaxation rates, 1=T 1 and 1=T 2 , were measured down to 4 K at 8 T. Shift and linewidth for 27 Al and 55 Mn NMR follow temperature dependence of the susceptibility, confirming that the hyperfine field from Mn 3d spins dominates local electronic structures at both Al and Mn sites.

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