Published November 12, 1986
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Spin-waves in the uniaxial spin-glass system Fe/sub 1-x/Mg/sub x/Cl2
Description
We report as inelastic neutron scattering study of the uniaxial dilute antiferromagnets Fe/sub 1-x/Mg/sub x/Cl2, for x = 0.3, 0.45 and 0.6. The first two samples have long-range AF order. Their spin-wave peaks are broadened by the exchange fluctuations. The x = 0.6 sample oders like an Ising spin-glass with a very short AF correlation length (ξ ≅ 10 A). For wavelength λ ≤ ξ, the spin-wave peaks are similar to the dilute antiferromagnets, but for λ ≤ 2ξ, the peak shapens up and becomes resolution limited at the zone center. We give a simple explanation of this behavior. 13 refs., 1 fig
Availability note (English)
MF available from INIS under the Report Number; Available from NTIS, PC A02/MF A01; 1 as DE87004246.Files
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Additional details
Additional titles
- Augmented title (English)
- Fe/sub 1-x/Mg/sub x/Cl_2 for x = 0.3, 0.45 and 0.6
Publishing Information
- Imprint Pagination
- 13 p.
- Report number
- BNL--39054
Conference
- Title
- Conference on magnetism and magnetic materials.
- Dates
- 17-21 Nov 1986.
- Place
- Baltimore, MD (USA).
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 18062951
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Resource subtype / Literary indicator
- Conference, Numerical Data
- Descriptors DEI
- ANTIFERROMAGNETIC MATERIALS; EXPERIMENTAL DATA; NEUTRONS; SPECTRA; SPIN GLASS STATE; SPIN WAVES
- Descriptors DEC
- BARYONS; DATA; ELEMENTARY PARTICLES; FERMIONS; HADRONS; INFORMATION; MAGNETIC MATERIALS; MATERIALS; NUCLEONS; NUMERICAL DATA
Optional Information
- Notes
- Portions of this document are illegible in microfiche products.
- Secondary number(s)
- CONF-861111--20.