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Squeezing the crystalline lattice of the heavy rare-earth metals to change their magnetic order: Experiment and ab initio theory
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Andrianov, A. Vl., Savel’eva, O., Bauer, E. and Staunton, Julie B. (2011) Squeezing the crystalline lattice of the heavy rare-earth metals to change their magnetic order: Experiment and ab initio theory. Physical Review B (Condensed Matter and Materials Physics), Vol.84 (No.13). Article No. 132401 . doi:10.1103/PhysRevB.84.132401 ISSN 1098-0121.
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Official URL: http://dx.doi.org/10.1103/PhysRevB.84.132401
Abstract
Ab initio electronic structure theory finds the type of magnetic order of the heavy rare earths to be correlated directly with the a and c lattice parameters of their hexagonal-close-packed crystal lattices. We refine our experimental data and obtain magnetic phase diagrams showing magnetic state and transition temperatures versus a and c for Tb and for the alloy Ho(0.4)Gd(0.6). For both systems we mark out the boundaries in a and c space between incommensurate (helical) antiferromagnetic order and ferromagnetic states and find that these agree very well with the theoretical prediction as well as with each other. These data support the proposition of a universal "crystallomagnetic" phase diagram for the heavy rare earths.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Physical Review B (Condensed Matter and Materials Physics) | ||||
Publisher: | American Physical Society | ||||
ISSN: | 1098-0121 | ||||
Official Date: | 2011 | ||||
Dates: |
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Volume: | Vol.84 | ||||
Number: | No.13 | ||||
Page Range: | Article No. 132401 | ||||
DOI: | 10.1103/PhysRevB.84.132401 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Funder: | Russian Foundation for Basic Research | ||||
Grant number: | 09-02-01380-a |
Data sourced from Thomson Reuters' Web of Knowledge
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