Chemical pressure effects on pyrochlore spin ice

H. D. Zhou; J. G. Cheng; A. M. Hallas; C. R. Wiebe; G. Li; L. Balicas; J. S. Zhou; J. B. Goodenough; J. S. Gardner; E. S. Choi

doi:10.1103/PhysRevLett.108.207206

Chemical pressure effects on pyrochlore spin ice

H. D. Zhou, J. G. Cheng, A. M. Hallas, C. R. Wiebe, G. Li, L. Balicas, J. S. Zhou, J. B. Goodenough, J. S. Gardner, E. S. Choi

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Abstract

A comparison among the two sets of studied pyrochlore spin ices, Ho ₂Sn ₂O ₇, Ho ₂Ti ₂O ₇, and Ho ₂Ge ₂O ₇ with Ho3 ⁺ spins and Dy ₂Sn ₂O ₇, Dy ₂Ti ₂O ₇, and Dy ₂Ge ₂O ₇ with Dy3 ⁺ spins, shows that the application of chemical pressure through each set drives the system toward the antiferromagnetic phase boundary from the spin ice region, which agrees with the prediction of the "dipolar spin ice" model of den Hertog and Gingras. Among all the studied pyrochlore spin ices, Dy ₂Ge ₂O ₇ has the smallest ratio of J _nn/D _nn=-0.73.

Original language	English
Article number	207206
Journal	Physical Review Letters
Volume	108
Issue number	20
DOIs	https://doi.org/10.1103/PhysRevLett.108.207206
State	Published - May 18 2012
Externally published	Yes

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title = "Chemical pressure effects on pyrochlore spin ice",

abstract = "A comparison among the two sets of studied pyrochlore spin ices, Ho 2Sn 2O 7, Ho 2Ti 2O 7, and Ho 2Ge 2O 7 with Ho3 + spins and Dy 2Sn 2O 7, Dy 2Ti 2O 7, and Dy 2Ge 2O 7 with Dy3 + spins, shows that the application of chemical pressure through each set drives the system toward the antiferromagnetic phase boundary from the spin ice region, which agrees with the prediction of the {"}dipolar spin ice{"} model of den Hertog and Gingras. Among all the studied pyrochlore spin ices, Dy 2Ge 2O 7 has the smallest ratio of J nn/D nn=-0.73.",

author = "Zhou, \{H. D.\} and Cheng, \{J. G.\} and Hallas, \{A. M.\} and Wiebe, \{C. R.\} and G. Li and L. Balicas and Zhou, \{J. S.\} and Goodenough, \{J. B.\} and Gardner, \{J. S.\} and Choi, \{E. S.\}",

year = "2012",

month = may,

day = "18",

doi = "10.1103/PhysRevLett.108.207206",

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journal = "Physical Review Letters",

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T1 - Chemical pressure effects on pyrochlore spin ice

AU - Zhou, H. D.

AU - Cheng, J. G.

AU - Hallas, A. M.

AU - Wiebe, C. R.

AU - Li, G.

AU - Balicas, L.

AU - Zhou, J. S.

AU - Goodenough, J. B.

AU - Gardner, J. S.

AU - Choi, E. S.

PY - 2012/5/18

Y1 - 2012/5/18

N2 - A comparison among the two sets of studied pyrochlore spin ices, Ho 2Sn 2O 7, Ho 2Ti 2O 7, and Ho 2Ge 2O 7 with Ho3 + spins and Dy 2Sn 2O 7, Dy 2Ti 2O 7, and Dy 2Ge 2O 7 with Dy3 + spins, shows that the application of chemical pressure through each set drives the system toward the antiferromagnetic phase boundary from the spin ice region, which agrees with the prediction of the "dipolar spin ice" model of den Hertog and Gingras. Among all the studied pyrochlore spin ices, Dy 2Ge 2O 7 has the smallest ratio of J nn/D nn=-0.73.

AB - A comparison among the two sets of studied pyrochlore spin ices, Ho 2Sn 2O 7, Ho 2Ti 2O 7, and Ho 2Ge 2O 7 with Ho3 + spins and Dy 2Sn 2O 7, Dy 2Ti 2O 7, and Dy 2Ge 2O 7 with Dy3 + spins, shows that the application of chemical pressure through each set drives the system toward the antiferromagnetic phase boundary from the spin ice region, which agrees with the prediction of the "dipolar spin ice" model of den Hertog and Gingras. Among all the studied pyrochlore spin ices, Dy 2Ge 2O 7 has the smallest ratio of J nn/D nn=-0.73.

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U2 - 10.1103/PhysRevLett.108.207206

DO - 10.1103/PhysRevLett.108.207206

M3 - Article

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SN - 0031-9007

VL - 108

JO - Physical Review Letters

JF - Physical Review Letters

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Chemical pressure effects on pyrochlore spin ice

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