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Dokumenttyp:
Zeitschriftenaufsatz
Autor(en):
Boehm, M.; Coad, S.; Roessli, B.; Zheludev, A.; Zolliker, M.; B̈oni, P.; Paul, D. M.; Eisaki, H.; Motoyama, N.; Uchida, S.
Titel:
Competing Exchange Interactions in {{Li}} {\textsubscript{2}} {{CuO}} {\textsubscript{2}}
Abstract:
The dispersion of the spin-waves in single crystals of Li2CuO2 has been investigated by means of inelastic neutron scattering. The results yield a single spin-wave branch characterized by a large gap $훜crement$ = 1.4 meV at the zone centre due to easy-axis uniaxial anisotropy. Linear spin-wave theory is used to obtain the exchange integrals in this material. It turns out that the nearest-neighbor exchange interactions in the basal plane are antiferromagnetic leading to frustration between the ma...     »
Zeitschriftentitel:
Europhysics Letters (EPL)
Jahr:
1998
Band / Volume:
43
Monat:
jul
Heft / Issue:
1
Seitenangaben Beitrag:
77
Sprache:
en
Volltext / DOI:
doi:10.1209/epl/i1998-00322-3
Print-ISSN:
0295-5075, 1286-4854
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