Magnetocrystalline symmetry, spin statics and dynamics in high-temperature superconductors

V. G. Bar'yakhtar; V. M. Loktev; D. A. Yablonskii

doi:10.1016/0921-4534(88)90142-6

Magnetocrystalline symmetry, spin statics and dynamics in high-temperature superconductors

V. G. Bar'yakhtar, V. M. Loktev, D. A. Yablonskii

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16 Scopus citations

Abstract

The symmetry analysis of the magnetic structures of La₂CuO₄ and YBa₂Cu₃O_6+δ (δ ≲0.4) antiferromagnetic oxide has been carried out. The spin configurations and spin-reorientation transition fields have been found. The frequencies of uniform spin oscillations and the external field dependence of their polarization properties have been calculated. It has been shown that the spin excitation branches may include exchange modes among which some dipole-active modes can be present. The spectrum of the inelastic light scattering accompanied with the excitation of spin and libration (tilting) freedom degrees has been discussed.

Original language	English
Pages (from-to)	667-678
Number of pages	12
Journal	Physica C: Superconductivity and its applications
Volume	156
Issue number	5
DOIs	https://doi.org/10.1016/0921-4534(88)90142-6
State	Published - Dec 1 1988

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abstract = "The symmetry analysis of the magnetic structures of La2CuO4 and YBa2Cu3O6+δ (δ ≲0.4) antiferromagnetic oxide has been carried out. The spin configurations and spin-reorientation transition fields have been found. The frequencies of uniform spin oscillations and the external field dependence of their polarization properties have been calculated. It has been shown that the spin excitation branches may include exchange modes among which some dipole-active modes can be present. The spectrum of the inelastic light scattering accompanied with the excitation of spin and libration (tilting) freedom degrees has been discussed.",

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AU - Loktev, V. M.

AU - Yablonskii, D. A.

PY - 1988/12/1

Y1 - 1988/12/1

N2 - The symmetry analysis of the magnetic structures of La2CuO4 and YBa2Cu3O6+δ (δ ≲0.4) antiferromagnetic oxide has been carried out. The spin configurations and spin-reorientation transition fields have been found. The frequencies of uniform spin oscillations and the external field dependence of their polarization properties have been calculated. It has been shown that the spin excitation branches may include exchange modes among which some dipole-active modes can be present. The spectrum of the inelastic light scattering accompanied with the excitation of spin and libration (tilting) freedom degrees has been discussed.

AB - The symmetry analysis of the magnetic structures of La2CuO4 and YBa2Cu3O6+δ (δ ≲0.4) antiferromagnetic oxide has been carried out. The spin configurations and spin-reorientation transition fields have been found. The frequencies of uniform spin oscillations and the external field dependence of their polarization properties have been calculated. It has been shown that the spin excitation branches may include exchange modes among which some dipole-active modes can be present. The spectrum of the inelastic light scattering accompanied with the excitation of spin and libration (tilting) freedom degrees has been discussed.

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JO - Physica C: Superconductivity and its applications

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Magnetocrystalline symmetry, spin statics and dynamics in high-temperature superconductors

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