Low field magnetotransport in manganites

PK Siwach, HK Singh… - Journal of Physics …, 2008 - iopscience.iop.org
The perovskite manganites with generic formula RE 1− x AE x MnO 3 (RE= rare earth, AE=
Ca, Sr, Ba and Pb) have drawn considerable attention, especially following the discovery of …

Colossal-magnetoresistive manganite thin films

W Prellier, P Lecoeur, B Mercey - Journal of Physics: Condensed …, 2001 - iopscience.iop.org
Mixed-valence perovskite manganites (Re 1-x A x MnO 3 where Re= rare earth, A= alkaline
earth) provide a unique opportunity to study the relationships between the structure and the …

Spin-polarized transport and magnetoresistance in magnetic oxides

A Gupta, JZ Sun - Journal of magnetism and magnetic materials, 1999 - Elsevier
Magnetic oxide materials possessing a high degree of spin polarization have been found to
exhibit enhanced spin-dependent transport properties. For example, interfaces created by …

Conduction channels and magnetoresistance in polycrystalline manganites

A De Andres, M Garcia-Hernandez, JL Martinez - Physical Review B, 1999 - APS
We have performed magnetic and transport measurements on several series of La 0.7 Ca
0.3 MnO 3 polycrystalline pellets and thin films. The aim is to discriminate the effects of …

Low-temperature magnetoresistance in polycrystalline manganites: connectivity versus grain size

A De Andres, M Garcıa-Hernández, JL Martınez… - Applied physics …, 1999 - pubs.aip.org
We have performed magnetic and transport measurements on La0. 7Ca0. 3MnO3
polycrystalline pellets and thin films. We propose a model that reproduces very well the low …

Large enhancement in room-temperature magnetoresistance and dramatic decrease in resistivity in composites

YH Huang, CH Yan, F Luo, W Song, ZM Wang… - Applied physics …, 2002 - pubs.aip.org
A ferromagnet-metal-type composite, La 0.7 Ca 0.3 MnO 3 (LCMO)–Ag, was fabricated by a
two-step chemical route which can avoid the doping of Ag into the lattice of LCMO. The grain …

Enhanced ferromagnetic transition and magnetoresistance in granular Ag-added La0. 7Ca0. 3MnO3

YH Huang, KF Huang, F Luo, LL He, ZM Wang… - Journal of Solid State …, 2003 - Elsevier
Granular Ag-added La0. 7Ca0. 3MnO3 (LCMO) samples were prepared by a sol–gel
chemical route. Significant enhancements in Curie temperature (TC), metal− insulator …

Pulsed injection MOCVD of functional electronic oxides

JP Sénateur, C Dubourdieu, F Weiss… - Advanced Functional …, 2000 - Wiley Online Library
A new source has been developed in LMGP and in Vilnius University for the generation of
active gases for chemical vapour deposition of layers. The principle is a sequential injection …

Enhanced room-temperature magnetoresistance in partially melted manganites

AK Pradhan, BK Roul, JG Wen, ZF Ren… - Applied Physics …, 2000 - pubs.aip.org
We have performed magnetic and transport measurements on La 0.67 Ca 0.33 MnO 3
polycrystalline and partially melted samples. The magnetization and resistance decrease as …

Effect of annealing in reduced oxygen pressure on the electrical transport properties of epitaxial thin film and bulk

W Wu, KH Wong, XG Li, CL Choy… - Journal of Applied …, 2000 - pubs.aip.org
A comparative study of the effect of annealing in reduced oxygen pressure on the electrical
transport properties of (La 1− x Nd x) 0.7 Sr 0.3 MnO 3 (x= 0, 0.25, 0.5, 0.75, and 1) epitaxial …