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INFLUENCE OF CHARGE AND MAGNETIC-ORDERING ON THE INSULATOR-METAL TRANSITION IN PR1-XCAXMNO3
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UNSPECIFIED (1995) INFLUENCE OF CHARGE AND MAGNETIC-ORDERING ON THE INSULATOR-METAL TRANSITION IN PR1-XCAXMNO3. PHYSICAL REVIEW B, 52 (20). pp. 14303-14307.
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Abstract
A detailed study of the properties of Pr1-xCaxMnO3 shows that for a range of compositions (0.3 less than or equal to x<0.5) there is a first-order magnetic-field-induced insulator-metal transition. For the x= 0.4 composition the magnetic and charge ordering (CO) effects are decoupled with antiferromagnetic (AFM) ordering, T-N=170 K, developing at considerably lower temperatures than the CO state, T-CO=250 K. Below the CO temperature, metamagnetic transitions exist that transform the magnetic correlations from either paramagnetic or AFM to ferromagnetic. Metastable conducting states are formed below 25 K.
Item Type: | Journal Item | ||||
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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 November 1995 | ||||
Dates: |
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Volume: | 52 | ||||
Number: | 20 | ||||
Number of Pages: | 5 | ||||
Page Range: | pp. 14303-14307 | ||||
Publication Status: | Published |
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