Strain induced enhanced ferromagnetic behavior in inhomogeneous low doped La0.95Sr0.05MnO3+delta

• Type: Article in International Scientific Journal
• Date: 2013

Authors

Das, S (Author) Other; amaral, j. s. (Author) FCUP; De, K (Author) Other; Willinger, M (Author) Other; Goncalves, JN (Author) Other; Roy, A (Author) Other; Dhak, P (Author) Other; Giri, S (Author) Other; Majumder, S (Author) Other; Silva, CJR (Author) Other; Gomes, MJM (Author) Other; Mahapatra, PK (Author) Other; Amaral, V. S. (Author) Other

Journal

Title: Applied Physics Letters

Vol. 102

ISSN: 0003-6951

Publisher: American Institute of Physics

Indexing

ISI Web of Knowledge - 3 Citations

Scopus - 3 Citations

Other information

Authenticus ID: P-005-2FS

DOI: 10.1063/1.4793657

Abstract (EN): We report an unusual high-temperature ferromagnetic transition in bulk single-phase nanocrystalline La0.95Sr0.05MnO3+delta, achieved through localized strain and inhomogeneous Sr-doping. Magnetization measurements show a well defined transition at 290K and a broad one at similar to 150 K. HRTEM imaging reveals the strain on the highly crystalline nanometer sized grains and Sr-doping gradients, while oxygen homogeneity at the grain interfaces is confirmed by EELS-spectra. The magnetic behavior, far from the expected bulk phase diagram, shows how local doping and strain can strongly tune the macroscopic properties of a bulk material. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4793657]

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 4