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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.

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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
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:
DateEvent
15 October 2001UNSPECIFIED
Volume: 8716
Number: 16
Number of Pages: 4
Page Range: art. no.-167203
Publication Status: Published

Data sourced from Thomson Reuters' Web of Knowledge

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