Comment on “Magnetic structure of Gd2Ti2O7”

Stewart, J. R.; Ehlers, G.; Wills, A. S.; Bramwell, S. T.; Gardner, J. S.

doi:10.1103/PhysRevB.85.106401

Title: Comment on “Magnetic structure of Gd₂Ti₂O₇”

Authors:: Stewart, J. R.; Ehlers, G.; Wills, A. S.; Bramwell, S. T.; Gardner, J. S.

Publication Date:: Tue Mar 27 00:00:00 EDT 2012

Sponsoring Org.:: USDOE

OSTI Identifier:: 1098591

Resource Type:: Publisher's Accepted Manuscript

Journal Name:: Physical Review. B, Condensed Matter and Materials Physics

Additional Journal Information:: Journal Name: Physical Review. B, Condensed Matter and Materials Physics Journal Volume: 85 Journal Issue: 10; Journal ID: ISSN 1098-0121

Publisher:: American Physical Society

Country of Publication:: United States

Language:: English

Citation Formats


                    Stewart, J. R., Ehlers, G., Wills, A. S., Bramwell, S. T., and Gardner, J. S. Comment on “Magnetic structure of Gd2Ti2O7”.  United States: N. p., 2012. 
Web.  doi:10.1103/PhysRevB.85.106401.

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                    Stewart, J. R., Ehlers, G., Wills, A. S., Bramwell, S. T., & Gardner, J. S. Comment on “Magnetic structure of Gd2Ti2O7”.  United States.  https://doi.org/10.1103/PhysRevB.85.106401

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                    Stewart, J. R., Ehlers, G., Wills, A. S., Bramwell, S. T., and Gardner, J. S. Tue .  
"Comment on “Magnetic structure of Gd2Ti2O7”".  United States.  https://doi.org/10.1103/PhysRevB.85.106401.

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@article{osti_1098591,

  title        = {Comment on “Magnetic structure of Gd2Ti2O7”},

  author       = {Stewart, J. R. and Ehlers, G. and Wills, A. S. and Bramwell, S. T. and Gardner, J. S.},

  abstractNote = {},

  doi          = {10.1103/PhysRevB.85.106401},

  journal      = {Physical Review. B, Condensed Matter and Materials Physics},

  number       = 10,

  volume       = 85,

  place        = {United States},

  year         = {Tue Mar 27 00:00:00 EDT 2012},

  month        = {Tue Mar 27 00:00:00 EDT 2012}

}

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https://doi.org/10.1103/PhysRevB.85.106401

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Works referenced in this record:

Magnetic structure of Gd $_{2}$ Ti $_{2}$ O $_{7}$
journal, February 2011

Brammall, M. I.; Briffa, A. K. R.; Long, M. W.
Physical Review B, Vol. 83, Issue 5
DOI: 10.1103/PhysRevB.83.054422

Phase transitions, partial disorder and multi- k structures in Gd ₂ Ti ₂ O ₇
journal, July 2004

Stewart, J. R.; Ehlers, G.; Wills, A. S.
Journal of Physics: Condensed Matter, Vol. 16, Issue 28
DOI: 10.1088/0953-8984/16/28/L01

Order in the Heisenberg pyrochlore: The magnetic structure of ${Gd}_{2} {Ti}_{2} O_{7}$
journal, September 2001

Champion, J. D. M.; Wills, A. S.; Fennell, T.
Physical Review B, Vol. 64, Issue 14
DOI: 10.1103/PhysRevB.64.140407

Spin dynamics of the pyrochlore magnets ${Gd}_{2} {Ti}_{2} O_{7}$ and ${Gd}_{2} {Sn}_{2} O_{7}$ in the paramagnetic state
journal, March 2008

Sosin, S. S.; Prozorova, L. A.; Smirnov, A. I.
Physical Review B, Vol. 77, Issue 10
DOI: 10.1103/PhysRevB.77.104424

Magnetic resonance in the pyrochlore antiferromagnet ${Gd}_{2} {Ti}_{2} O_{7}$
journal, June 2006

Sosin, S. S.; Smirnov, A. I.; Prozorova, L. A.
Physical Review B, Vol. 73, Issue 21
DOI: 10.1103/PhysRevB.73.212402

Low temperature magnetic properties of geometrically frustrated Gd ₂ Sn ₂ O ₇ and Gd ₂ Ti ₂ O ₇
journal, October 2003

Bonville, P.; Hodges, J. A.; Ocio, M.
Journal of Physics: Condensed Matter, Vol. 15, Issue 45
DOI: 10.1088/0953-8984/15/45/016

Similar Records in DOE PAGES and OSTI.GOV collections:

Magnetic structure of Gd{sub 2}Ti{sub 2}O{sub 7}

Journal Article Brammall, M I ; Briffa, A K. R. ; Long, M W - Physical Review. B, Condensed Matter and Materials Physics

We attempt to solve the magnetic structure of the gadolinium analog of 'spin-ice' using a mixture of experimental and theoretical assumptions. The eventual predictions are essentially consistent with both the Moessbauer and neutron measurements but are unrelated to previous proposals. We find two possible distinct states, one of which is coplanar and the other is fully three-dimensional. We predict that close to the initial transition the preferred state is coplanar, but that at the lowest temperature the ground state becomes fully three-dimensional. Unfortunately, the energetics are presumed to be complicated. There is a dominant nearest-neighbor Heisenberg interaction, but then amore »« less
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Goal of this project is to predict and control the oxygen ion conductivity in compounds with the pyrochlore structure. The basic approach has been to vary the composition within the Gd/sub 2/Ti/sub 2/O/sub 7/-Gd/sub 2/Zr/sub 2/O/sub 7/ pyrochlore solid solution on and examine the consequent effects of changes in order parameter, lattice constant, and cation polarizability upon the ionic conductivity of these compounds. 3 figs.
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The ionic conductivity of Gd/sub 2/Ti/sub 2/O/sub 7/-Gd/sub 2/Zr/sub 2/O/sub 7/ solid solutions was studied as a function of Ti/Zr ratio. Lattice constant, order parameter and absorbance of these mixtures were also studied. (DLC)
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Ab initio total energy calculations have been performed to study the phase stability of Gd₂Ti₂O₇ and Gd₂Z₂O₇ pyrochlores over the pressure range from 0 to 60 GPa. Both compounds are unstable under pressure, and phase transformations to the defect-cotunnite structure are predicted. The phase transformation pressure of 43.6 GPa for Gd₂Ti₂O₇ is considerably larger than the value of 13 GPa for Gd₂Zr₂O₇, in good agreement with experiments. The decreased structural stability of Gd₂Zr₂O₇ under pressure, relative to Gd₂Ti₂O₇, is a consequence of the lower compressibility of the bond and the higher compressibility of the bond. In addition, the Gd 4fmore »« less
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Similar Records

Title: Comment on “Magnetic structure of Gd2Ti2O7”

Citation Formats

Magnetic structure of Gd 2 Ti 2 O 7 journal, February 2011

Phase transitions, partial disorder and multi- k structures in Gd 2 Ti 2 O 7 journal, July 2004

Order in the Heisenberg pyrochlore: The magnetic structure of Gd 2 Ti 2 O 7 journal, September 2001

Spin dynamics of the pyrochlore magnets Gd 2 Ti 2 O 7 and Gd 2 Sn 2 O 7 in the paramagnetic state journal, March 2008

Magnetic resonance in the pyrochlore antiferromagnet Gd 2 Ti 2 O 7 journal, June 2006

Low temperature magnetic properties of geometrically frustrated Gd 2 Sn 2 O 7 and Gd 2 Ti 2 O 7 journal, October 2003

Title: Comment on “Magnetic structure of Gd₂Ti₂O₇”

Magnetic structure of Gd $_{2}$ Ti $_{2}$ O $_{7}$
journal, February 2011

Phase transitions, partial disorder and multi- k structures in Gd ₂ Ti ₂ O ₇
journal, July 2004

Order in the Heisenberg pyrochlore: The magnetic structure of ${Gd}_{2} {Ti}_{2} O_{7}$
journal, September 2001

Spin dynamics of the pyrochlore magnets ${Gd}_{2} {Ti}_{2} O_{7}$ and ${Gd}_{2} {Sn}_{2} O_{7}$ in the paramagnetic state
journal, March 2008

Magnetic resonance in the pyrochlore antiferromagnet ${Gd}_{2} {Ti}_{2} O_{7}$
journal, June 2006

Low temperature magnetic properties of geometrically frustrated Gd ₂ Sn ₂ O ₇ and Gd ₂ Ti ₂ O ₇
journal, October 2003