Frustration induced spin freezing in a site-ordered magnet: Gadolinium gallium garnet

P. Schiffer; A. P. Ramirez; D. A. Huse; P. L. Gammel; U. Yaron; D. J. Bishop; A. J. Valentino

doi:10.1103/PhysRevLett.74.2379

Frustration induced spin freezing in a site-ordered magnet: Gadolinium gallium garnet

P. Schiffer, A. P. Ramirez, D. A. Huse, P. L. Gammel, U. Yaron, D. J. Bishop, A. J. Valentino

Research output: Contribution to journal › Article › peer-review

Abstract

We measured the low-temperature ac magnetic susceptibilities (χ′, χ″, χ₃), static magnetization, and the specific heat of a high-quality single crystal of gadolinium gallium garnet (GGG), which is a geometrically frustrated Heisenberg magnet. We find a spin glass transition at low temperatures, in addition to unusual behavior in χ″ and χ₃. Comparison to nonmagnetic isomorphs and the low levels of structural and chemical disorder in GGG suggests that the transition is due to the highly frustrated geometry of the magnetic lattice.

Original language	English (US)
Pages (from-to)	2379-2382
Number of pages	4
Journal	Physical review letters
Volume	74
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevLett.74.2379
State	Published - 1995
Externally published	Yes

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General Physics and Astronomy

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10.1103/PhysRevLett.74.2379

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abstract = "We measured the low-temperature ac magnetic susceptibilities (χ′, χ″, χ3), static magnetization, and the specific heat of a high-quality single crystal of gadolinium gallium garnet (GGG), which is a geometrically frustrated Heisenberg magnet. We find a spin glass transition at low temperatures, in addition to unusual behavior in χ″ and χ3. Comparison to nonmagnetic isomorphs and the low levels of structural and chemical disorder in GGG suggests that the transition is due to the highly frustrated geometry of the magnetic lattice.",

author = "P. Schiffer and Ramirez, {A. P.} and Huse, {D. A.} and Gammel, {P. L.} and U. Yaron and Bishop, {D. J.} and Valentino, {A. J.}",

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language = "English (US)",

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AU - Schiffer, P.

AU - Ramirez, A. P.

AU - Huse, D. A.

AU - Gammel, P. L.

AU - Yaron, U.

AU - Bishop, D. J.

AU - Valentino, A. J.

PY - 1995

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AB - We measured the low-temperature ac magnetic susceptibilities (χ′, χ″, χ3), static magnetization, and the specific heat of a high-quality single crystal of gadolinium gallium garnet (GGG), which is a geometrically frustrated Heisenberg magnet. We find a spin glass transition at low temperatures, in addition to unusual behavior in χ″ and χ3. Comparison to nonmagnetic isomorphs and the low levels of structural and chemical disorder in GGG suggests that the transition is due to the highly frustrated geometry of the magnetic lattice.

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Frustration induced spin freezing in a site-ordered magnet: Gadolinium gallium garnet

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