Results 221 to 230 of about 6,995 (287)

Modulating coordinate site occupancy in high-entropy spinel electrocatalysts. [PDF]

Nat Commun
Baek J, Hamkins KS, Li Y, Garcia-Esparza AT, Liu T, Kuo CT, Lee JS, Potter AW, Kim S, Wang Y, Ding H, Li J, Zhuo Z, Guo J, Bajdich M, Zheng X.   +15 more
europepmc   +1 more source

First-principles insights into half-metallic ferromagnetism, lattice dynamics, and thermoelectric performance of MgX₂Se₄ (X=Ti, Mn) spinel chalcogenides. [PDF]

RSC Adv
Ramzan A, Sofi MY, Khan MS, Khan MA.
europepmc   +1 more source

Infrared studies of spinels—III [PDF]

Spectrochimica Acta Part A: Molecular Spectroscopy, 1971
In accordance with theoretical expectations, 4 bands are generally observed in the i.r. spectrum of a number of cubic normal II-III spinels. The systematic investigation of pure compounds, solid solutions and isotopic species leads to a realistic and ...
J. Preudhomme, P. Tarte
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Spinel and Spinels

1991
Publisher Summary This chapter discusses the crystal structure and mechanism for structural distortion of spinels. Spinels are materials that crystallize with a structure related to that of the mineral MgAl2O4, which is known as spinel. The gross features of the spinel structure may be most easily visualized as a nearly close-packed cubic array of ...
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Combustion CVD of magnesium spinel and nickel spinel

Surface and Coatings Technology, 1997
Combustion chemical vapor deposition (combustion CVD) is being developed to deposit magnesium spinel, MgAl 2 O 4 , and nickel spinel, NiAl 2 O 4 , onto silica substrates. A possible use of the magnesium spinel is as an overlayer on thermal barrier coatings (TBCs) used in the hot sections of gas turbines.
D.W. Stollberg, W.B. Carter, J.M. Hampikian   +2 more
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Magnesia–spinel microcomposites

Journal of the European Ceramic Society, 2004
Abstract This study used a model system of fully dense high purity MgO, incorporating micron size spinel prepared by hot-pressing. Spinel powder was obtained from two sources: (i) 0.5 μm alumina powder was incorporated into MgO by in situ reaction, and (ii) preformed 3 μm spinel powder.
Aksel, Cemail, Warren, PD, Riley, FL
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Slag erosion of spinel and spinel — Periclase refractories

Refractories, 1975
The physicochemical conversions of spinel-periclase refractories by the action of the penetrating slag melt consist of the ferrous component of the slag being absorbed by the periclase and spinels and being distributed between them in the form of solid solutions while the lime -silicate part of the melt reacts with the periclase and spinels to form ...
Yu. D. Kuznetsov, S. A. Suvorov, A. D. Melnikov   +2 more
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Tilting structures in spinels

Acta Crystallographica Section A Foundations of Crystallography, 2012
The possible distortions in the spinel structure resulting from rotation of the tetrahedra and octahedra have been investigated by a group-theoretical method. The possibility of the existence of 28 phases of rotation of the tetrahedra and five phases of rotation of the octahedra has been shown.
V M, Talanov, V B, Shirokov
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Effect of Spinel Kinds on Properties of Alumina—Spinel Castables

International Journal of Applied Ceramic Technology, 2014
Effect of spinel kinds on the properties of alumina—spinel castables was investigated. The results showed that the addition of various kinds of spinels has an effect on the physical and mechanical properties of these refractory castables. The reason is that the A l 2
Wendong Qiu, Guozhi Ruan, Junhua Ouyang, Yuxi Zhao, Guogang Xu   +4 more
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Spinel/Post-spinel engineering on layered oxide cathodes for sodium-ion batteries

EScience, 2021
Yao Xiao, Yong-Mook Kang, Shulei Chou
exaly