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  Phase Transition and Anomalous Low Temperature Ferromagnetic Phase in Pr0.6Sr0.4MnO3 Single Crystals

Rößler, S., Harikrishnan, S., Kumar, C. M. N., Bhat, H. L., Elizabeth, S., Rößler, U. K., et al. (2009). Phase Transition and Anomalous Low Temperature Ferromagnetic Phase in Pr0.6Sr0.4MnO3 Single Crystals. Journal of Superconductivity and Novel Magnetism, 22, 205-208. doi:10.1007/s10948-008-0377-1.

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Rößler, S.1, Autor           
Harikrishnan, S., Autor
Kumar, C. M. N., Autor
Bhat, H. L., Autor
Elizabeth, S., Autor
Rößler, U. K., Autor
Steglich, F.2, Autor           
Wirth, S.3, Autor           
Affiliations:
1Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863404              
2Frank Steglich, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863467              
3Steffen Wirth, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863460              

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Schlagwörter: Manganites; Phase separation
 Zusammenfassung: We report on the magnetic and electrical properties of Pr0.6Sr0.4MnO3 single crystals. This compound undergoes a continuous paramagnetic-ferromagnetic transition with a Curie temperature T (C)301 K and a first-order structural transition at T (S)64 K. At T (S), the magnetic susceptibility exhibits an abrupt jump, and a corresponding small hump is seen in the resistivity. The critical behavior of the static magnetization and the temperature dependence of the resistivity are consistent with the behavior expected for a nearly isotropic ferromagnet with short-range exchange belonging to the Heisenberg universality class. The magnetization (M-H) curves below T (S) are anomalous in that the virgin curve lies outside the subsequent M-H loops. The hysteretic structural transition at T (S) as well as the irreversible magnetization processes below T (S) can be explained by phase separation between a high-temperature orthorhombic and a low-temperature monoclinic ferromagnetic phase.

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Sprache(n): eng - English
 Datum: 2009
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: eDoc: 404480
ISI: 000262315900020
DOI: 10.1007/s10948-008-0377-1
 Art des Abschluß: -

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Titel: Journal of Superconductivity and Novel Magnetism
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 22 Artikelnummer: - Start- / Endseite: 205 - 208 Identifikator: ISSN: 1557-1939