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Pressure-enhanced 3D antiferromagnetic correlations in La1.4Sr1.6Mn2O7
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UNSPECIFIED (2001) Pressure-enhanced 3D antiferromagnetic correlations in La1.4Sr1.6Mn2O7. PHYSICAL REVIEW LETTERS, 8716 (16). art. no.-167203. ISSN 0031-9007.
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Abstract
Pressure effects on the stability of magnetic phases in La1.4Sr1.6Mn2O7 have been studied using magnetization measurements and neutron diffraction. At ambient conditions this material is a quasi-two-dimensional ferromagnet. On cooling it becomes ordered three dimensionally: at 90 K La1.4Sr1.6Mn2O7 it becomes an antiferromagnet, and at 65 K it undergoes a transition into a ferromagnetic phase. Using neutron diffraction techniques on a single crystal of La1.4Sr1.6Mn2O7 it has been shown that these two magnetic phases belong to a single structural phase and do not coexist at low temperatures. The application of pressure enhances the antiferromagnetic correlations between the Mn2O9 bilayers.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | PHYSICAL REVIEW LETTERS | ||||
Publisher: | AMERICAN PHYSICAL SOC | ||||
ISSN: | 0031-9007 | ||||
Official Date: | 15 October 2001 | ||||
Dates: |
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Volume: | 8716 | ||||
Number: | 16 | ||||
Number of Pages: | 4 | ||||
Page Range: | art. no.-167203 | ||||
Publication Status: | Published |
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