TY - JOUR

T1 - Order parameters in lanthanum gallate lightly doped with manganese and paramagnetic resonance

AU - Vazhenin, V. A.

AU - Potapov, A. P.

AU - Artyomov, M. Yu.

AU - Guseva, V. B.

PY - 2010/9/1

Y1 - 2010/9/1

N2 - The Cr3+ centers have been revealed, transitions at room temperature have been identified, and spin Hamiltonian parameters have been determined for the Cr3+ and Fe3+ triclinic centers in lanthanum gallate lightly doped with manganese. The principal axes of the fourth-rank fine-structure tensor for the Fe3+ triclinic centers have been established and used to determine the order parameters, i.e., the angles of rotation of oxygen octahedra of lanthanum gallate with respect to the perovskite structure. The order parameter in the rhombohedral phase has been estimated.

AB - The Cr3+ centers have been revealed, transitions at room temperature have been identified, and spin Hamiltonian parameters have been determined for the Cr3+ and Fe3+ triclinic centers in lanthanum gallate lightly doped with manganese. The principal axes of the fourth-rank fine-structure tensor for the Fe3+ triclinic centers have been established and used to determine the order parameters, i.e., the angles of rotation of oxygen octahedra of lanthanum gallate with respect to the perovskite structure. The order parameter in the rhombohedral phase has been estimated.

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U2 - 10.1134/S106378341009012X

DO - 10.1134/S106378341009012X

M3 - Article

VL - 52

SP - 1859

EP - 1864

JO - Physics of the Solid State

JF - Physics of the Solid State

SN - 1063-7834

IS - 9

ER -