[图书][B] Nanoscale phase separation and colossal magnetoresistance: the physics of manganites and related compounds
E Dagotto - 2003 - books.google.com
Condensed matter is one of the most active areas of research in physics. Ev ery year new
materials are discovered with properties that are as challenging as or more than those of the …
materials are discovered with properties that are as challenging as or more than those of the …
Colossal dielectric constants in transition-metal oxides
Many transition-metal oxides show very large (“colossal”) magnitudes of the dielectric
constant and thus have immense potential for applications in modern microelectronics and …
constant and thus have immense potential for applications in modern microelectronics and …
Origin of the colossal dielectric response of
N Biškup, A De Andrés, JL Martinez, C Perca - Physical Review B …, 2005 - APS
We report the detailed study of dielectric response of Pr 0.6 Ca 0.4 Mn O 3 (PCMO), a
member of the manganite family showing colossal magnetoresistance. Measurements have …
member of the manganite family showing colossal magnetoresistance. Measurements have …
Rare earth–manganese perovskites
JB Goodenough - Handbook on the Physics and Chemistry of Rare …, 2003 - Elsevier
Publisher Summary This chapter discusses the structure of manganese (Mn) perovskites. In
manganese perovskites, the dominant interactions between the d-like orbitals at …
manganese perovskites, the dominant interactions between the d-like orbitals at …
Anomaly in the dielectric response at the charge-orbital-ordering transition of
The complex impedance of a Pr 0.67 Ca 0.33 MnO 3 crystal has been measured. The
frequency dependence is studied for a wide range of temperatures (50–403 K) and is found …
frequency dependence is studied for a wide range of temperatures (50–403 K) and is found …
Dielectric response of the charge-ordered two-dimensional nickelate La1. 5Sr0. 5NiO4
We report the dielectric response of La1. 5Sr0. 5NiO4, a system that experiences charge
ordering above room temperature TCO= 480 K and a rearrangement of its charge-order …
ordering above room temperature TCO= 480 K and a rearrangement of its charge-order …
Pressure effects on charge, spin, and metal-insulator transitions in the narrow bandwidth manganite
C Cui, TA Tyson - Physical Review B—Condensed Matter and Materials …, 2004 - APS
Pressure effects on the charge and spin states and the relation between the ferromagnetic
and metallic states were explored on the small bandwidth manganite Pr 1− x Ca x Mn O 3 …
and metallic states were explored on the small bandwidth manganite Pr 1− x Ca x Mn O 3 …
Large dielectric permittivity and possible correlation between magnetic and dielectric properties in bulk BaFeO3− δ
We report structural, magnetic, and dielectric properties of oxygen deficient hexagonal
BaFeO 3− δ. A large dielectric permittivity comparable to that of other semiconducting oxides …
BaFeO 3− δ. A large dielectric permittivity comparable to that of other semiconducting oxides …
Polaron relaxation related to localized charge carriers in Pr1− xCaxMnO3
CC Wang, LW Zhang - New Journal of Physics, 2007 - iopscience.iop.org
Low-temperature (23⩽ T⩽ 150 K) dielectric properties of Pr 1− x Ca x MnO 3 (PCMO)(0.1⩽
x⩽ 0.9) were investigated systematically. A thermally activated relaxation was found in both …
x⩽ 0.9) were investigated systematically. A thermally activated relaxation was found in both …
Dielectric relaxation with polaronic and variable range hopping mechanisms of grains and grain boundaries in Pr0. 8Ca0. 2MnO3
Polycrystalline Pr 0.8 Ca 0.2 MnO 3 has been synthesized through solid state reaction route
and phase purity is analyzed using synchrotron XRD. Magnetization M (T) showed Mn spin …
and phase purity is analyzed using synchrotron XRD. Magnetization M (T) showed Mn spin …