Angular Dependences of ESR Parameters in Antiferroquadrupolar Phase of CeB₆

• Authors: A. Semeno , M. Gilmanov , N. Sluchanko , V. Krasnorussky , N. Shitsevalova , V. Filipov , K. Flachbart , S. Demishev
• Languages of publication: EN

Abstracts

EN

Angular dependences of ESR line parameters (g-factor and linewidth Δ H) were experimentally explored in the antiferroquadrupolar phase of heavy fermion system CeB₆ at T=1.8 K. The data were obtained in two experimental geometries with different mutual directions of the wavevector k and the external magnetic field H at frequency of f=60 GHz. A g-factor anisotropy was found: while g-factors for [110] and [111] directions are close to each other (g ≈1.6), it is considerably higher (g ≈1.75) for [100]. The obtained angular dependence g(Θ) was compared with the theoretically predicted g-factor behavior for the Γp₈ state of Ce³⁺ ion in antiferroquadrupolar phase of CeB₆. It turns out that the experimental g-factor is considerably smaller at all angles than the theoretically calculated limits (2

Keywords

EN

76.30.-v; 76.30.Kg

Discipline

• 76.30.Kg: Rare-earth ions and impurities
• 76.30.-v: Electron paramagnetic resonance and relaxation(see also 33.35.+r Electron resonance and relaxation in atomic and molecular physics; 87.80.Lg Magnetic and paramagnetic resonance in biological physics)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2017
• Volume: 131
• Issue: 4
• Pages: 1060-1062

Dates

published

2017-04

Contributors

author

A. Semeno

• Prokhorov General Physics Institute, RAS, 119991, Vavilov Str. 38, Moscow, Russia

author

M. Gilmanov

• Prokhorov General Physics Institute, RAS, 119991, Vavilov Str. 38, Moscow, Russia
• Moscow Institute of Physics and Technology, 141700, Institutsky lane 9, Dolgoprudniy, Russia

author

N. Sluchanko

• Prokhorov General Physics Institute, RAS, 119991, Vavilov Str. 38, Moscow, Russia

author

V. Krasnorussky

• Prokhorov General Physics Institute, RAS, 119991, Vavilov Str. 38, Moscow, Russia

author

N. Shitsevalova

• Frantsevich Institute for Problems of Materials Science of NASU, Krzhyzhanovskii Str. 3, 03680 Kiev, Ukraine

author

V. Filipov

• Frantsevich Institute for Problems of Materials Science of NASU, Krzhyzhanovskii Str. 3, 03680 Kiev, Ukraine

author

K. Flachbart

• Institute of Experimental Physics, SAS, Watsonova Str. 47, SK-04001 Košice, Slovak Republic

author

S. Demishev

• Prokhorov General Physics Institute, RAS, 119991, Vavilov Str. 38, Moscow, Russia

References

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Identifiers

DOI

10.12693/APhysPolA.131.1060