Quantum tunnelling of antiferromagnetic domain walls in tbfe03 single crystal.

J. Tejada; X. X. Zhang; A. Roig; O. Nikolov; E. Molins

doi:10.1209/0295-5075/30/4/007

Quantum tunnelling of antiferromagnetic domain walls in tbfe03 single crystal.

J. Tejada, X. X. Zhang, A. Roig, O. Nikolov, E. Molins

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Abstract

We report first experimental observation of quantum tunnelling of antiferromagnetic domain walls. The slow dynamics of domain walls in an antiferromagnetic TbFeO₃ single crystal has been studied. The magnetization shows exponential time relaxation due to the motion of the domain walls through the energy barrier of a single height U. Above 2.3 K, the rate of relaxation is pure exponential, exp[- U/T], Below 2.3 K it becomes independent of temperature.

Original language	English (US)
Pages (from-to)	227-232
Number of pages	6
Journal	EPL
Volume	30
Issue number	4
DOIs	https://doi.org/10.1209/0295-5075/30/4/007
State	Published - May 1 1995
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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10.1209/0295-5075/30/4/007

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title = "Quantum tunnelling of antiferromagnetic domain walls in tbfe03 single crystal.",

abstract = "We report first experimental observation of quantum tunnelling of antiferromagnetic domain walls. The slow dynamics of domain walls in an antiferromagnetic TbFeO3 single crystal has been studied. The magnetization shows exponential time relaxation due to the motion of the domain walls through the energy barrier of a single height U. Above 2.3 K, the rate of relaxation is pure exponential, exp[- U/T], Below 2.3 K it becomes independent of temperature.",

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AU - Nikolov, O.

AU - Molins, E.

PY - 1995/5/1

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N2 - We report first experimental observation of quantum tunnelling of antiferromagnetic domain walls. The slow dynamics of domain walls in an antiferromagnetic TbFeO3 single crystal has been studied. The magnetization shows exponential time relaxation due to the motion of the domain walls through the energy barrier of a single height U. Above 2.3 K, the rate of relaxation is pure exponential, exp[- U/T], Below 2.3 K it becomes independent of temperature.

AB - We report first experimental observation of quantum tunnelling of antiferromagnetic domain walls. The slow dynamics of domain walls in an antiferromagnetic TbFeO3 single crystal has been studied. The magnetization shows exponential time relaxation due to the motion of the domain walls through the energy barrier of a single height U. Above 2.3 K, the rate of relaxation is pure exponential, exp[- U/T], Below 2.3 K it becomes independent of temperature.

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Quantum tunnelling of antiferromagnetic domain walls in tbfe03 single crystal.

Abstract

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