Results 11 to 20 of about 7,826,326 (312)

HIGH TEMPERATURE SYMMETRY NONRESTORATION [PDF]

open access: yesCOSMO-99, 2000
This is a short review on the subject of symmetry nonrestoration at high temperature. Special emphasis is put on experimental discoveries and different theoretical mechanisms. At the end, possible cosmological applications are briefly mentioned.
Bajc, Borut
openaire   +6 more sources

High-temperature superconductivity [PDF]

open access: yesJournal of Magnetism and Magnetic Materials, 1998
The current status of basic research on the high temperature cuprate superconductors and prospects for technological applications of these materials is discussed. Recent developments concerning other novel superconductors are also briefly described.
openaire   +4 more sources

Features of forming a low-temperature cubic Li7La3Zr2O12 film by tape casting

open access: yesChimica Techno Acta, 2023
Currently, interest to lithium and lithium-ion all-solid-state power sources is rapidly growing all over the world. However, several issues should be addressed before all-solid-state batteries production: high resistance values of the solid electrolyte ...
Efim Lyalin   +4 more
doaj   +1 more source

Phosphorus-doped protonic conductors based on BaLanInnO3n+1 (n = 1, 2): applying oxyanion doping strategy to the layered perovskite structure

open access: yesChimica Techno Acta, 2022
The creation of highly efficient and eco-friendly energy sources such as hydrogen energy systems is one of main vectors for the sustainable development of human society.
Nataliia Tarasova, Anzhelika Galisheva
doaj   +1 more source

Manipulating the grain boundary properties of BaCeO3-based ceramic materials through sintering additives introduction

open access: yesChimica Techno Acta, 2019
BaCeO3-based materials represent a well-known family of proton-conducting electrolytes, which can be used in different solid oxide electrochemical devices.
Gennady Vdovin   +5 more
doaj   +1 more source

Electrochemical detection of simple alkanes by utilizing a solid-state zirconia-based gas sensor

open access: yesChimica Techno Acta, 2023
Solid-state gas sensors composed of complex oxide electrolytes offer great potential for analyzing various atmospheres at high temperatures. While relatively simple gas mixtures (H2O+N2, O2+N2) have been successfully studied by means of ZrO2-based ...
Anatoly S. Kalyakin, Alexander N. Volkov
doaj   +1 more source

High-temperature mechanical behavior of polycrystalline yttrium-doped barium cerate perovskite [PDF]

open access: yes, 2011
The high-temperature mechanical properties of the mixed ionic-electronic conductor perovskite BaCe0.95Y0.05O3-δ with average grain size of 0.40μm have been studied in compression between 1100 and 1300°C in air at different initial strain rates.
Jiménez Melendo, Manuel   +4 more
core   +1 more source

Ceramic materials based on lanthanum zirconate for the bone augmentation purposes: cytocompatibility in a cell culture model

open access: yesChimica Techno Acta, 2023
Creation of new ceramic materials for the bone augmentation purposes that combine the absence of cytotoxicity, high strength and osseointegration characteristics is an urgent modern task.
Maria Ulitko   +7 more
doaj   +1 more source

Heat of Fusion of Na3AlF6 Eutectic Mixtures with CaF2 and Al2O3

open access: yesChimica Techno Acta, 2019
The heat of fusion of eutectic mixtures of sodium cryolite with alumina and calcium fluoride was measured using differential scanning calorimetry. Melting temperatures were found to be in good agreement with literature data.
Alexander A. Redkin   +4 more
doaj   +1 more source

Bone Tissue Properties after Lanthanum Zirconate Ceramics Implantation: Experimental Study

open access: yesTravmatologiâ i Ortopediâ Rossii, 2020
Background. The ceramic based on lanthanum zirconate is characterized by optimal mechanical characteristics, low corrosion potential and the absence of cytotoxicity. Thus, the possibility of its use as bone substituting material is currently studied. The
M. Yu. Izmodenova   +9 more
doaj   +1 more source

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