Neutron diffraction studies of magnetic structure of TbAg<sub>2</sub>Si<sub>2</sub>

Szytula, A.; Penc, B.; Stuesser, N.

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Neutron diffraction studies of magnetic structure of TbAg₂Si₂

Szytula, A.; Penc, B.; Stuesser, N.2003

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AbstractAbstract

[en] Powder neutron diffraction measurements have been performed on TbAg₂Si₂ at low temperatures. The compound crystallize in the tetragonal ThCr₂Si₂-type crystal structure (space group I4/mmm). Below T_N=18 K TbAg₂Si₂ orders antiferromagnetically with a sine-wave modulated structure characterized by the propagation vector k=(1,0.3249(5),0). The Tb magnetic moments, equal 8.36(22) μ_B, are in the basal plane as expected from the positive sign of the B₂⁰ parameter of the crystal electric field Hamiltonian

Primary Subject

MATERIALS SCIENCE (S36)

Source

Record Type

Journal Article

Journal

Journal of Magnetism and Magnetic Materials; ISSN 0304-8853;

; CODEN JMMMDC; v. 263(1-2); p. 21-25

Country of publication

Netherlands

Descriptors (DEI)

ANTIFERROMAGNETISM, CRYSTAL FIELD, HAMILTONIANS, MAGNETIC MOMENTS, NEUTRON DIFFRACTION, SILICON COMPOUNDS, SILVER COMPOUNDS, SPACE GROUPS, TEMPERATURE DEPENDENCE, TEMPERATURE RANGE 0013-0065 K, TERBIUM COMPOUNDS, TETRAGONAL LATTICES

Descriptors (DEC)

COHERENT SCATTERING, CRYSTAL LATTICES, CRYSTAL STRUCTURE, DIFFRACTION, MAGNETISM, MATHEMATICAL OPERATORS, QUANTUM OPERATORS, RARE EARTH COMPOUNDS, SCATTERING, SYMMETRY GROUPS, TEMPERATURE RANGE, TRANSITION ELEMENT COMPOUNDS

LanguageLanguage

English

Reference NumberReference Number

35001076

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