Charge ordering in cobalt oxides: Impact on structure, magnetic and transport properties
B Raveau, MM Seikh - Zeitschrift für anorganische und …, 2015 - Wiley Online Library
This review shows the great impact of charge ordering upon the magnetic and transport
properties of mixed valent Co4+/Co3+ and Co3+/Co2+ cobalt oxides. The relationships …
properties of mixed valent Co4+/Co3+ and Co3+/Co2+ cobalt oxides. The relationships …
Comparison of oxygen exchange kinetics of the IT-SOFC cathode materials La0. 5Sr0. 5CoO3− δ and La0. 6Sr0. 4CoO3− δ
A Egger, E Bucher, M Yang, W Sitte - Solid State Ionics, 2012 - Elsevier
La0. 5Sr0. 5CoO3− δ and La0. 6Sr0. 4CoO3− δ are characterized with respect to application
as cathode materials in intermediate temperature solid oxide fuel cells (IT-SOFCs). Surface …
as cathode materials in intermediate temperature solid oxide fuel cells (IT-SOFCs). Surface …
Thermal conductivity, thermopower, and figure of merit of
K Berggold, M Kriener, C Zobel, A Reichl… - Physical Review B …, 2005 - APS
We present a study of the thermal conductivity κ and the thermopower S of single crystals of
La 1− x Sr x Co O 3 with 0⩽ x⩽ 0.3. For all Sr concentrations, La 1− x Sr x Co O 3 has rather …
La 1− x Sr x Co O 3 with 0⩽ x⩽ 0.3. For all Sr concentrations, La 1− x Sr x Co O 3 has rather …
Room-temperature ferromagnetism in
We have measured magnetic susceptibility and resistivity of Sr 1− x Y x Co O 3− δ (x= 0.1,
0.15, 0.2, 0.215, 0.225, 0.25, 0.3, and 0.4), and found that Sr 1− x Y x Co O 3− δ is a room …
0.15, 0.2, 0.215, 0.225, 0.25, 0.3, and 0.4), and found that Sr 1− x Y x Co O 3− δ is a room …
Reactivity of lanthanum substituted cobaltites toward carbon particles
This work reports on the reactivity toward carbon of a La0. 5Sr0. 5CoO3− δ perovskite
prepared by spray pyrolysis. It is shown that this perovskite presents a moderate activity for …
prepared by spray pyrolysis. It is shown that this perovskite presents a moderate activity for …
Oxygen vacancy ordering in strontium doped rare earth cobaltate perovskites Ln1− xSrxCoO3− δ (Ln= La, Pr and Nd; x> 0.60)
M James, T Tedesco, DJ Cassidy, RL Withers - Materials research bulletin, 2005 - Elsevier
A family of Sr-doped perovskite compounds Ln1− xSrxCoO3− δ (Ln= La3+, Pr3+ and Nd3+;
x> 0.60), were prepared by sol–gel chemistry and reaction at 1100° C under 1atm of oxygen …
x> 0.60), were prepared by sol–gel chemistry and reaction at 1100° C under 1atm of oxygen …
Novel thermoelectric properties of complex transition-metal oxides
I Terasaki, M Iwakawa, T Nakano, A Tsukuda… - Dalton …, 2010 - pubs.rsc.org
We report how the thermopower of complex transition-metal oxides is susceptible to small
changes in material parameters. In the A-site ordered perovskite oxide R2/3Cu3Ti3. 6Ru0 …
changes in material parameters. In the A-site ordered perovskite oxide R2/3Cu3Ti3. 6Ru0 …
Coupled structural/magnetocrystalline anisotropy transitions in the doped perovskite cobaltite
C Leighton, DD Stauffer, Q Huang, Y Ren… - Physical Review B …, 2009 - APS
Years of intensive work on perovskite manganites has led to a detailed understanding of the
phenomena that emerge from competition between the electronic and lattice degrees of …
phenomena that emerge from competition between the electronic and lattice degrees of …
Detailed investigations of phase transitions and magnetic structure in Fe (III), Mn (II), Co (II) and Ni (II) 3, 4, 5-trihydroxybenzoate (gallate) dihydrates by neutron and X …
The effect of cation valency on the complex structures of divalent and trivalent transition
metal gallates has been examined using a combination of neutron and synchrotron X-ray …
metal gallates has been examined using a combination of neutron and synchrotron X-ray …
Oxygen transport and surface exchange properties of Sr0. 5Sm0. 5CoO3− δ
TC Yeh, JL Routbort, TO Mason - Solid State Ionics, 2013 - Elsevier
Oxygen tracer diffusion (D⁎) and chemical diffusion (D˜) were measured in dense Sr0.
5Sm0. 5CoO3− δ (SSC) ceramics by Isotope Exchange Depth Profiling/Secondary Ion Mass …
5Sm0. 5CoO3− δ (SSC) ceramics by Isotope Exchange Depth Profiling/Secondary Ion Mass …