Magnetic lattice dynamics in TbFeO3
The aim of the proposed work is to investigate the low-energy and high-energy spin wave excitations in TbFeO3 orthoferrite by means of inelastic neutron scattering. The studies will permit to obtain the parameters of the exchange interactions Fe3+ - Fe3+, Fe3+ - Tb3+, Tb3+ - Tb3+. The anisotropy parameters as well as the parameters of DMI also will be studied in the proposed experimental work. This will give valuable contribution to the elucidation of the microscopic mechanism(s) responsible for the emergence of ferroelectricity in RFeO3 orthoferrites family. First, the measurements of low-energy spin excitations at IN12 spectrometer planned. For this purpose we plan to experimentally determine the spectrum along the [0 0 L] direction centred at (0 1 2) and along the [0 K 0] direction centred at Q = (0 2 3) in the energy range 0 ~ 10 meV at temperatures 15 K, 6 K, 2.5 K. For that, we request for 6 days of beam time at IN12 cold neutron spectrometer.
The data is currently only available to download if you are a member of the proposal team.
The recommended format for citing this dataset in a research publication is in the following format:
HUTANU Vladimir; OVSIANIKOV Aleksandr; SCHMALZL Karin and SCHMIDT Wolfgang F. (2020). Magnetic lattice dynamics in TbFeO3. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.CRG-2695
This data is not yet public
This data is not yet public
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