Results 261 to 270 of about 43,328 (293)

Defect processes in orthorhombic LnBaCo2O5.5 double perovskites

Physical Chemistry Chemical Physics, 2011
Static atomistic simulations based on the Born model were used to investigate intrinsic defect processes in orthorhombic LnBaCo(2)O(5.5) (Ln = Y, La, Pr, Nd, Sm, Gd, Dy, Ho, Er, and Yb) double perovskites. It was found that Ln/Ba antisite disorder is the lowest energy defect reaction, with the large Ln cations giving rise to smaller antisite energies ...
I D, Seymour, A, Chroneos, J A, Kilner, R W, Grimes   +3 more
openaire   +2 more sources

Ab initio study of double perovskites Ba2DySbO6

AIP Conference Proceedings, 2016
First principle study of the electronic band structure of Ba2DySbO6 synthesied by the solid state reaction technique have been performed within the framework of density function theory using WIEN2K. It has been shown in the absence of electron-electron interaction (U=0), BaDySO6 behaves like a half-metal.
Golak Mondal, D. Jha, A. K. Himanshu, J. Lahiri, B. K. Singh, Uday Kumar, Rajyavardhan Ray   +6 more
openaire   +1 more source

LaSrMnCoO6: a new cubic double perovskite oxide

Journal of Solid State Chemistry, 2003
Abstract Single-phase polycrystalline powder samples of the double perovskite oxide LaSrMnCoO6 were synthesized by the Pechini (citrate-gel) technique. The structural, magnetic and electrical properties of the obtained powders were investigated by X-ray diffraction, electron microscopy, dc magnetization, ac susceptibility and dc resistivity ...
Androulakis, J., Katsarakis, N., Giapintzakis, John, Vouroutzis, N., Pavlidou, E., Chrissafis, K., Polychroniadis, E. K., Perdikatsis, V., Androulakis, J., Katsarakis, N., Giapintzakis, John, Vouroutzis, N., Pavlidou, E., Chrissafis, K., Polychroniadis, E. K., Perdikatsis, V.   +15 more
openaire   +2 more sources

Iron Valence in Double Perovskites

2002
The valence state of iron in the compounds Ca2FeMoO6, Sr2FeMoO6 Ba2FeMoO6, Ca2FeReO6, Sr2FeReO6, Sr2FeMo1−xW x O6 (x=0.2 and 0.4), and (Sr2−xLax)FeMoO6 (x=0.5 and 0.7), which have been prepared using ceramic and combustion techniques, has been studied using 37Fe Mossbauer spectroscopy.
A. P. Douvalis, M. Venkatesan, J. M. D. Coey   +2 more
openaire   +1 more source

Ordered double perovskites – a group-theoretical analysis

Acta Crystallographica Section B Structural Science, 2003
Group-theoretical methods are used to enumerate the structures of ordered double perovskites, A 2 BB′X 6, in which the ordering of cations B and B′ into alternate octahedra is considered in combination with the ubiquitous BX 6 (or B′X 6) octahedral tilting.
Christopher J, Howard, Brendan J, Kennedy, Patrick M, Woodward   +2 more
openaire   +2 more sources

Wearable Double‐Twisted Fibrous Perovskite Solar Cell

Advanced Materials, 2015
Wearable double-twisted fibrous perovskite solar cells are developed based on flexible carbon nanotube fiber electrodes, which exhibit a maximum power conversion efficiency of 3.03% and bending stability larger than 1000 cycles, and maintain 89% efficiency after 96 h in ambient conditions if sealed by a transparent polymer layer.
Ru, Li, Xi, Xiang, Xiao, Tong, Jingyun, Zou, Qingwen, Li   +4 more
openaire   +2 more sources

Double perovskites with ferromagnetism above room temperature

Journal of Physics: Condensed Matter, 2006
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
D. Serrate, J. M. De Teresa, M. R. Ibarra   +2 more
openaire   +1 more source

Double Perovskites

2019
Kunwu Fu, Anita Wing Yi Ho-Baillie, Hemant Kumar Mulmudi, Pham Thi Thu Trang   +3 more
openaire   +1 more source

Understanding the Electric Double-Layer Structure, Capacitance, and Charging Dynamics

Chemical Reviews, 2022
Jianzhong Wu
exaly  

Single-junction organic solar cells with over 19% efficiency enabled by a refined double-fibril network morphology

Nature Materials, 2022
Lei Zhu, Ming Zhang, Chao Li
exaly