Mixed-valence manganites

JMD Coey, M Viret, S Von Molnar - Advances in physics, 1999 - Taylor & Francis
Mixed-valence manganese oxides (R1-χAχ) MnO3 (R= rare-earth cation, A= alkali or
alkaline earth cation), with a structure similar to that of perovskite CaTiO3, exhibit a rich …

Giant magnetoresistance and related properties of rare-earth manganates and other oxide systems

CNR Rao, AK Cheetham, R Mahesh - Chemistry of Materials, 1996 - ACS Publications
Giant magnetoresistance (GMR), which was until recently confined to magnetic layered and
granular materials, as well as doped magnetic semiconductors, occurs in manganate …

Growth and optimization of hybrid perovskite single crystals for optoelectronics/electronics and sensing

X Zhang, F Li, R Zheng - Journal of Materials Chemistry C, 2020 - pubs.rsc.org
Organic–inorganic hybrid perovskites, which combine the advantages of superior optical
and electronic properties and solution-processed manufacturing, have emerged as a new …

Giant magnetoresistance, charge‐ordering, and related aspects of manganates and other oxide systems

CNR Rao, AK Cheetham - Advanced Materials, 1997 - Wiley Online Library
Giant magnetoresistance, and spin‐, charge‐, and orbital‐ordering are some of the
properties displayed by manganates that make these materials of interest in magnetic …

Nature of small-polaron hopping conduction and the effect of Cr doping on the transport properties of rare-earth manganite

A Banerjee, S Pal, BK Chaudhuri - The Journal of Chemical Physics, 2001 - pubs.aip.org
The conductivity and magnetoresistance of La 0.5 Pb 0.5 Mn 1− x Cr x O 3 (0.0⩽ x⩽ 0.45)
measured at 0.0 and 1.5 T magnetic field have been reported. All the oxide samples except …

Giant magnetoresistance, charge ordering and other novel properties of perovskite manganates

CNR Rao, R Mahesh, AK Raychaudhuri… - Journal of Physics and …, 1998 - Elsevier
Giant magnetoresistance (GMR) and related properties of manganate perovskites of the
general formula Lnl− xAxMnO3 (Ln= rare earth; A= divalent ion) are discussed in detail …

Two-dimensional ferromagnetic ordering and magnetoresistance in the layered perovskite

H Asano, J Hayakawa, M Matsui - Physical Review B, 1997 - APS
The resistivity and magnetization of layered perovskite La 2− 2 x Ca 1+ 2 x Mn 2 O 7 have
been studied systematically using bulk samples with a wide doping concentration range 0< …

Particle size and magnetic field dependent resistivity and thermoelectric power of above and below metal–insulator transition

A Banerjee, S Pal, S Bhattacharya… - Journal of applied …, 2002 - pubs.aip.org
The effect of particle size on the transport properties (resistivity and thermopower) of La 0.5
Pb 0.5 MnO 3 has been investigated both in the presence and in the absence of magnetic …

Effect of crystallinity on the magnetoresistance in perovskite manganese oxide thin films

R Shreekala, M Rajeswari, K Ghosh, A Goyal… - Applied physics …, 1997 - pubs.aip.org
We report our study of the effect of crystallinity on the magnetoresistance in epitaxial and
polycrystalline La 2/3 Ba 1/3 MnO 3 and La 2/3 Ca 1/3 MnO 3 thin films. Magnetoresistance …

A large low field colossal magnetoresistance in the and combined system

CH Yan, ZG Xu, T Zhu, ZM Wang, FX Cheng… - Journal of Applied …, 2000 - pubs.aip.org
La 0.7 Sr 0.3 MnO 3 and CoFe 2 O 4 samples have been prepared by a sol-gel process. A
mixture of the two samples was annealed at 800° C and the scanning electron micrograph …