Materials advances through aberration-corrected electron microscopy

SJ Pennycook, M Varela, CJD Hetherington… - MRS bulletin, 2006 - cambridge.org
Over the last few years, the performance of electron microscopes has undergone a dramatic
improvement, with achievable resolution having more than doubled. It is now possible to …

Orbital ordering as the determinant for ferromagnetism in biferroic

AM Dos Santos, AK Cheetham, T Atou, Y Syono… - Physical Review B, 2002 - APS
The ferromagnetic structure of BiMnO 3, T c= 105 K, has been determined from powder
neutron-diffraction data collected at 20 K on a sample synthesized at high pressures using a …

Atomic-scale images of charge ordering in a mixed-valence manganite

C Renner, G Aeppli, BG Kim, YA Soh, SW Cheong - Nature, 2002 - nature.com
Transition-metal perovskite oxides exhibit a wide range of extraordinary but imperfectly
understood phenomena. The best known examples are high-temperature superconductivity …

Particle size effects on interplay between charge ordering and magnetic properties in nanosized

T Zhang, TF Zhou, T Qian, XG Li - Physical Review B—Condensed Matter and …, 2007 - APS
The charge ordering (CO) and magnetic properties of La 0.25 Ca 0.75 Mn O 3 compounds
with average particle sizes ranging from 40 to 2000 nm have been studied. With decreasing …

Scaling description of non-ohmic direct current conduction in disordered systems

U Nandi, D Jana, D Talukdar - Progress in Materials Science, 2015 - Elsevier
Complex charge transport mechanisms in disordered systems are often difficult to
characterize owing to a dearth of suitable probes. Non-Ohmic response to an applied …

Elctroluminescence: A bright future for conjugated polymers?

DDC Bradley - 1992 - Wiley Online Library
Conjugated polymer electroluminescence has recently been attracting a great deal of
attention. The color range achievable now spans red, gree, and blue, and it has also been …

Charge ordering and magnetoresistance of

Z Zeng, M Greenblatt, M Croft - Physical Review B, 2001 - APS
Abstract The two-electron (2 e) doped Ca 1− x Ce x MnO 3 (0<~ x<~ 0. 2) system was
prepared by sol-gel method and investigated by x-ray absorption spectroscopy (XAS), X-ray …

Structure, magnetic and transport properties of La1− xBixMnO3

YD Zhao, J Park, RJ Jung, HJ Noh, SJ Oh - Journal of magnetism and …, 2004 - Elsevier
We have investigated the structural, magnetic and transport properties of La1− xBixMnO3
samples. As the Bi content increases, a structural transition from rhombohedral to …

Electric relaxation and Mn3+/Mn4+ charge transfer in Fe-doped Bi12MnO20–BiMn2O5 structural self-composite

A Leonarska, M Kądziołka-Gaweł… - Journal of materials …, 2017 - Springer
Abstract Fe-doped Bi 12 MnO 20–BiMn 2 O 5 ceramics was sintered at 1130 K for 6 h in
ambient air. Two centro-symmetric phases formed thermodynamically stable self-composite …

Local electronic structure analysis of Zn-doped BiFeO3 powders by X-ray absorption fine structure spectroscopy

T Gholam, A Ablat, M Mamat, R Wu, A Aimidula… - Journal of Alloys and …, 2017 - Elsevier
Abstract Multiferroic BiFe 1-x Zn x O 3 (0≤ x≤ 0.1) powders were synthesized by a
hydrothermal method. Structural studies using X-ray diffraction revealed that all samples …