Journal Article

PreJuSER-3678

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Low-Energy Nuclear Spin Excitations in NdMg3 and NdCo2

Chatterji, T.FZJ* ; Schneider, G. J.FZJ* ; Galera, R. M.

2008
APS College Park, Md.

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Please use a persistent id in citations: http://hdl.handle.net/2128/11051  doi:10.1103/PhysRevB.78.012411

Abstract: We investigated the low-energy excitations in NdMg3 and NdCo2 in the mu eV range by a backscattering neutron spectrometer. The energy scans on polycrystalline NdMg3 and NdCo2 samples revealed inelastic peaks at E=1.70 +/- 0.01 mu eV and 3.37 +/- 0.01 mu eV, respectively, at T = 2 K on both energy gain and loss sides. The inelastic peaks move gradually toward lower energy with increasing temperature and finally merge with the elastic peak at the electronic magnetic ordering temperature T-N approximate to 6 K and T-C approximate to 100 K, respectively. We interpret the inelastic peaks to be due to the transition between hyperfine-split nuclear levels of the Nd-143 and Nd-145 isotopes with spin I = 7/2.

Keyword(s): J

Note: Record converted from VDB: 12.11.2012

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Contributing Institute(s):

1. Streumethoden (IFF-4)
2. Neutronenstreuung (IFF-5)
3. Jülich-Aachen Research Alliance - Fundamentals of Future Information Technology (JARA-FIT)
4. JCNS (Jülich Centre for Neutron Science JCNS (JCNS) ; JCNS)

Research Program(s):

1. Kondensierte Materie (P54)
2. Großgeräte für die Forschung mit Photonen, Neutronen und Ionen (PNI) (P55)

Experiment(s):

1. SPHERES: Backscattering spectrometer (NL6S)

Appears in the scientific report 2008
Notes: Nachtrag

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Database coverage:
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