Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1596774 | Solid State Communications | 2006 | 5 Pages |
Abstract
We have synthesized various half doped lanthanum perovskites LaB0.5B0.5′O3 (BB′=MnV, MnCr, MnCo, MnNi, FeCr, FeMn, FeCo, FeNi) by solid state reaction method. The crystal structure was orthorhombic in all samples, but the magnetic and transport properties showed a large variation with the composition. A ferromagnetic feature was quite strong in the Mn-based perovskites but weak or non-existent in the Fe-based ones. The resistivity of Ni-doped ones was much smaller than those of the others. For all half doped perovskits, remarkably, the temperature dependent transport was well explained by variable range hopping model with different localization lengths.
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Physical Sciences and Engineering
Materials Science
Materials Science (General)
Authors
Joonghoe Dho, N.H. Hur,