Spin freezing in the geometrically frustrated pyrochlore antiferromagnet Tb2Mo2O7

B.D. Gaulin; J.N. Reimers; T.E. Mason; J.E. Greedan; Z. Tun

doi:10.1103/PhysRevLett.69.3244

Spin freezing in the geometrically frustrated pyrochlore antiferromagnet Tb₂Mo₂O₇

B.D. Gaulin, J.N. Reimers, T.E. Mason, J.E. Greedan, Z. Tun

Research output: Contribution to journal › Journal article

Abstract

The magnetic metal ions in the cubic pyrochlore Tb2Mo2O7 form an infinite three-dimensional network of corner-sharing tetrahedra with a very high potential for frustration in the presence of antiferromagnetism. We have performed neutron scattering measurements which show short-range spatial correlations that develop continuously with decreasing temperature, while the characteristic time scale for the fluctuating moments decreases dramatically below T(f) is similar to 25 K. Therefore, this pure material, which possesses frustration that is purely geometrical in origin, displays a spin-glass state at low temperatures.

Original language	English
Journal	Physical Review Letters
Volume	69
Issue number	22
Pages (from-to)	3244-3247
ISSN	0031-9007
DOIs	https://doi.org/10.1103/PhysRevLett.69.3244
Publication status	Published - 1992

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10.1103/PhysRevLett.69.3244

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title = "Spin freezing in the geometrically frustrated pyrochlore antiferromagnet Tb2Mo2O7",

abstract = "The magnetic metal ions in the cubic pyrochlore Tb2Mo2O7 form an infinite three-dimensional network of corner-sharing tetrahedra with a very high potential for frustration in the presence of antiferromagnetism. We have performed neutron scattering measurements which show short-range spatial correlations that develop continuously with decreasing temperature, while the characteristic time scale for the fluctuating moments decreases dramatically below T(f) is similar to 25 K. Therefore, this pure material, which possesses frustration that is purely geometrical in origin, displays a spin-glass state at low temperatures. ",

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AU - Gaulin, B.D.

AU - Reimers, J.N.

AU - Mason, T.E.

AU - Greedan, J.E.

AU - Tun, Z.

PY - 1992

Y1 - 1992

N2 - The magnetic metal ions in the cubic pyrochlore Tb2Mo2O7 form an infinite three-dimensional network of corner-sharing tetrahedra with a very high potential for frustration in the presence of antiferromagnetism. We have performed neutron scattering measurements which show short-range spatial correlations that develop continuously with decreasing temperature, while the characteristic time scale for the fluctuating moments decreases dramatically below T(f) is similar to 25 K. Therefore, this pure material, which possesses frustration that is purely geometrical in origin, displays a spin-glass state at low temperatures.

AB - The magnetic metal ions in the cubic pyrochlore Tb2Mo2O7 form an infinite three-dimensional network of corner-sharing tetrahedra with a very high potential for frustration in the presence of antiferromagnetism. We have performed neutron scattering measurements which show short-range spatial correlations that develop continuously with decreasing temperature, while the characteristic time scale for the fluctuating moments decreases dramatically below T(f) is similar to 25 K. Therefore, this pure material, which possesses frustration that is purely geometrical in origin, displays a spin-glass state at low temperatures.

KW - Materialer med særlige fysiske og kemiske egenskaber

U2 - 10.1103/PhysRevLett.69.3244

DO - 10.1103/PhysRevLett.69.3244

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JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 22

ER -

Spin freezing in the geometrically frustrated pyrochlore antiferromagnet Tb2Mo2O7

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Spin freezing in the geometrically frustrated pyrochlore antiferromagnet Tb₂Mo₂O₇