Crystal field and magnetoelastic interactions in Tb2Ti2O7
نویسندگان
چکیده
منابع مشابه
Magnetoelastic Interactions in the Hexagonal Belorizky Model
The theory o f dynamical magnetoelasticity in the hexagonal Belorizky model is presented in this paper. We show that the interaction o f spins with lattice vibrations gives rise to multiaxis anisotropic biquadratic exchange. It is shown that this anisotropy favours some directions and can stabilize three-sublattice ordering o f the system. Formulae for low-temperature spin wave spectra were obt...
متن کاملDispersive crystal field excitations and quadrupolar interactions in UPd3.
We report inelastic neutron scattering measurements and random phase approximation calculations of the dispersive crystal field excitations of UPd(3). The measured spectra at lower energies agree with those calculated using quadrupolar interaction parameters deduced from bulk and x-ray scattering measurements. The more intense excitations arising from the hexagonal sites were used to obtain exc...
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ژورنال
عنوان ژورنال: Optics and Spectroscopy
سال: 2014
ISSN: 0030-400X,1562-6911
DOI: 10.1134/s0030400x14060137