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Surface-Driven Magnetotransport in Perovskite Nanocrystals
- Source :
- Advanced Materials, Advanced Materials, Wiley-VCH Verlag, 2017, 29 (9), pp.1604745. ⟨10.1002/adma.201604745⟩, Advanced Materials, 2017, 29 (9), pp.1604745. ⟨10.1002/adma.201604745⟩
- Publication Year :
- 2016
-
Abstract
- International audience; Unique insights into magnetotransport in 20 nm ligand-free La0.67Sr0.33MnO3 perovskite nanocrystals of nearly perfect crystalline quality reveal a chemically altered 0.8 nm thick surface layer that triggers exceptionally large magnetoresistance at low temperature, independently of the spin polarization of the ferromagnetic core. This discovery shows how the nanoscale impacts magnetotransport in a material widely spread as electrode in hybrid spintronic devices.
- Subjects :
- Materials science
Spintronics
Spin polarization
Magnetoresistance
Condensed matter physics
Magnetism
Mechanical Engineering
02 engineering and technology
021001 nanoscience & nanotechnology
01 natural sciences
Ferromagnetism
Nanocrystal
Mechanics of Materials
0103 physical sciences
[CHIM]Chemical Sciences
General Materials Science
Surface layer
010306 general physics
0210 nano-technology
Perovskite (structure)
Subjects
Details
- ISSN :
- 15214095 and 09359648
- Volume :
- 29
- Issue :
- 9
- Database :
- OpenAIRE
- Journal :
- Advanced materials (Deerfield Beach, Fla.)
- Accession number :
- edsair.doi.dedup.....524eb665269c4f985b5073b4db4e09c3