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Primary role of the structural phase transition in the strongly coupled structure and magnetism of La0.835Sr0.165MnO3 single crystal
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UNSPECIFIED (1998) Primary role of the structural phase transition in the strongly coupled structure and magnetism of La0.835Sr0.165MnO3 single crystal. PHYSICAL REVIEW B, 57 (12). R6775-R6778. ISSN 0163-1829.
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Abstract
We report a neutron diffraction investigation of the role of pressure on the strong coupling between the structural and ferromagnetic phase transitions in La0.835Sr0.165MnO3. The results are summarized in the form of a pressure-temperature phase diagram and reveal the dominant character of the structural changes with respect to the magnetic transitions, which results in a broad metastable area around the crossing point of the structural and magnetic phase transitions. The phase diagram contains a number of extremely unusual features including the pressure independence of the Curie temperature in the orthorhombic phase, a reentrance of the rhombohedral phase at low temperatures, and a change of the type of the magnetic phase transition from second order to first order due to the strong coupling between the structural and the magnetic properties of this material.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | PHYSICAL REVIEW B | ||||
Publisher: | AMERICAN PHYSICAL SOC | ||||
ISSN: | 0163-1829 | ||||
Official Date: | 15 March 1998 | ||||
Dates: |
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Volume: | 57 | ||||
Number: | 12 | ||||
Number of Pages: | 4 | ||||
Page Range: | R6775-R6778 | ||||
Publication Status: | Published |
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