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Ternary compound
About: Ternary compound is a research topic. Over the lifetime, 2411 publications have been published within this topic receiving 32032 citations.
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TL;DR: The MAX phases are a group of layered ternary compounds with the general formula Mn+1AXn (M: early transition metal; A: group A element; X: C and/or N; n = 1-3), which combine some properties of metals such as good electrical and thermal conductivity, machinability, low hardness, thermal shock resistance and damage tolerance, with those of ceramics, such as high elastic moduli, high temperature strength, and oxidation and corrosion resistance as mentioned in this paper.
Abstract: The MAX phases are a group of layered ternary compounds with the general formula Mn+1AXn (M: early transition metal; A: group A element; X: C and/or N; n = 1–3), which combine some properties of metals, such as good electrical and thermal conductivity, machinability, low hardness, thermal shock resistance and damage tolerance, with those of ceramics, such as high elastic moduli, high temperature strength, and oxidation and corrosion resistance. The publication of papers on the MAX phases has shown an almost exponential increase in the past decade. The existence of further MAX phases has been reported or proposed. In addition to surveying this activity, the synthesis of MAX phases in the forms of bulk, films and powders is reviewed, together with their physical, mechanical and corrosion/oxidation properties. Recent research and development has revealed potential for the practical application of the MAX phases (particularly using the pressureless sintering and physical vapour deposition coating rout...
851 citations
TL;DR: Crystalline, monodisperse alloyed nanocrystals are obtained using a one-pot, hot injection reaction and Rutherford back scattering and energy-filtered transmission electron microscopy suggest that the S and Se anions are uniformly distributed in the alloy nanoparticles.
Abstract: We report solar cells based on highly confined nanocrystals of the ternary compound PbSxSe1-x. Crystalline, monodisperse alloyed nanocrystals are obtained using a one-pot, hot injection reaction. Rutherford back scattering and energy filtered transmission electron microscopy suggest that the S and Se anions are uniformly distributed in the alloy nanoparticles. Photovoltaic devices made using ternary nanoparticles are more efficient than either pure PbS or pure PbSe based nanocrystal devices.
421 citations
TL;DR: In this article, the tetragonal crystallographic structure of the rare earth transition metal Nd 2 Fe 14 B was determined (space group P4 2 /mnm), which is related to the hexagonal CaCu 5 -type structure which is the fundamental basis for the crystal structure of many rare earth-transition metal compounds.
Abstract: Outstanding permanent magnet properties have recently been reported to occur in ternary compound Nd-Fe-B 1 . The tetragonal crystallographic structure of this compound Nd 2 Fe 14 B is determined (space group P4 2 /mnm). This structure is related to the hexagonal CaCu 5 -type structure which is the fundamental basis for the crystal structure of many rare earth-transition metal compounds.
377 citations
TL;DR: In this paper, the performance of a Na0.7CoO2 cell with carbon black as the positive electrode and nonporous carbon blacks as the negative was analyzed and a maximum amount of 0.0155 mole of sodium by cm3 of carbon was achieved.
Abstract: The reactions of sodium with non-porous carbon blacks have been studied. These materials show a high reversible capacity in sodium-ion batteries. The presence of disordered layers and the low density of the carbon black materials favor the reversibility of the process. A maximum amount of 0.0155 mole of sodium by cm3 of carbon is achieved. The performance of a sodium-ion cell using Na0.7CoO2 as the positive electrode and carbon black as the negative is described.
351 citations
TL;DR: In this article, the authors extended the theory of binary homogeneous nucleation to the ternary H2SO4-NH3-H2O system and showed that NH3 mixing ratios exceeding about 1 ppt enhances the binary H2 SO4-H 2O nucleation rate by several orders of magnitude.
Abstract: Classical theory of binary homogeneous nucleation is extended to the ternary system H2SO4-NH3-H2O. For NH3 mixing ratios exceeding about 1 ppt, the presence of NH3 enhances the binary H2SO4-H2O nucleation rate by several orders of magnitude. The Gibbs free energies of formation of the critical H2SO4-NH3-H2O cluster, as calculated by two independent approaches, are in substantial agreement. The finding that the H2SO4-NH3-H2O ternary nucleation rate is independent of relative humidity over a large range of H2SO4 concentrations has wide atmospheric consequences. The limiting component for ternary H2SO4-NH3-H2O nucleation is, as in the binary H2SO4-H2O case, H2SO4; however, the H2SO4 concentration needed to achieve significant nucleation rates is several orders of magnitude below that required in the binary case.
349 citations