Intrinsic and extrinsic magnetic properties of the naturally layered manganites
Conference
·
OSTI ID:750606
Structural and magnetic properties of the two-layered Ruddlesden-Popper phase SrO(La{sub 1{minus}x}Sr{sub x}MnO{sub 3}){sub 2} with x = 0.3--0.5 are highlighted. Intrinsic properties of these naturally layered manganites include a colossal magnetoresistance, a composition-dependent magnetic anisotropy, and almost no remanence. Above the Curie temperature there is a non-vanishing extrinsic magnetization attributed to intergrowths (stacking faults in the layered structure). These lattice imperfections consist of additional or missing manganite layers, as observed in transmission electron microscopy. Their role in influencing the properties of the host material is highlighted.
- Research Organization:
- Argonne National Lab., IL (US)
- Sponsoring Organization:
- US Department of Energy (US)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 750606
- Report Number(s):
- ANL/MSD/CP-100603; TRN: US0003517
- Resource Relation:
- Conference: 46th International Symposium of the American Vacuum Society, Seattle, WA (US), 10/25/1999--10/29/1999; Other Information: PBD: 30 Nov 1999
- Country of Publication:
- United States
- Language:
- English
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