Vaporization of Rare‐Earth Oxides
Identifieur interne : 003078 ( Istex/Checkpoint ); précédent : 003077; suivant : 003079Vaporization of Rare‐Earth Oxides
Auteurs : Patrick N. Walsh [États-Unis] ; Harold W. Goldstein [États-Unis] ; David White [États-Unis]Source :
- Journal of the American Ceramic Society [ 0002-7820 ] ; 1960-05.
Descripteurs français
- Wicri :
- topic : Oxyde.
English descriptors
- KwdEn :
- Atomic number, Ceric oxide, Chem, Condensed phases, Container material, Crucible, Diatomic molecules, Dissociation, Dissociation energies, Dissociation energy, Dissociation pressures, Effusion, Electrochemical society, Entropy, Experimental methods, Eyring, Free energies, Free energy, Free energy functions, Gaseous, Gaseous elements, Gaseous monoxides, Gaseous species, Gaseous yttrium, Ground state, Heat capacities, Heat capacity measurements, High temperatures, High vacuum, Higher oxides, Knudsen, Knudsen cell, Lanthanum, Lanthanum oxide, Leroy eyring, Lower oxides, Molecular weight, Monoxide, Neodymium, Neodymium oxide, Ohio state university, Oxide, Partial pressure, Partial pressures, Phys, Praseodymium oxides, Rare earths, Sample material, Several oxides, Solid phases, Terbium oxides, Thermal functions, Thermodynamic, Thermodynamic properties, Total entropy, Vapor pressure, Vapor species, Vaporization, Vaporization behavior, Volatility, Yttrium, Yttrium oxide.
- Teeft :
- Atomic number, Ceric oxide, Chem, Condensed phases, Container material, Crucible, Diatomic molecules, Dissociation, Dissociation energies, Dissociation energy, Dissociation pressures, Effusion, Electrochemical society, Entropy, Experimental methods, Eyring, Free energies, Free energy, Free energy functions, Gaseous, Gaseous elements, Gaseous monoxides, Gaseous species, Gaseous yttrium, Ground state, Heat capacities, Heat capacity measurements, High temperatures, High vacuum, Higher oxides, Knudsen, Knudsen cell, Lanthanum, Lanthanum oxide, Leroy eyring, Lower oxides, Molecular weight, Monoxide, Neodymium, Neodymium oxide, Ohio state university, Oxide, Partial pressure, Partial pressures, Phys, Praseodymium oxides, Rare earths, Sample material, Several oxides, Solid phases, Terbium oxides, Thermal functions, Thermodynamic, Thermodynamic properties, Total entropy, Vapor pressure, Vapor species, Vaporization, Vaporization behavior, Volatility, Yttrium, Yttrium oxide.
Abstract
A study of the vaporization of La2O3, Nd2O3, and Y2O3 at high temperatures has been carried out by the Knudsen effusion technique. The methods employed, the results of the measurements, and the low‐temperature heat capacities of these materials, which were determined for the purpose of calculating thermal functions of the oxides, are discussed. All the foregoing oxides react with tantalum, forming gaseous tantalummonoxide as a principal product. Cubic tantalates of lanthanum and neodymium are also formed in these reactions.
Url:
DOI: 10.1111/j.1151-2916.1960.tb14589.x
Affiliations:
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ISTEX:11FED17CB35294215EEE78326F49995579C9D28CLe document en format XML
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<term>Chem</term>
<term>Condensed phases</term>
<term>Container material</term>
<term>Crucible</term>
<term>Diatomic molecules</term>
<term>Dissociation</term>
<term>Dissociation energies</term>
<term>Dissociation energy</term>
<term>Dissociation pressures</term>
<term>Effusion</term>
<term>Electrochemical society</term>
<term>Entropy</term>
<term>Experimental methods</term>
<term>Eyring</term>
<term>Free energies</term>
<term>Free energy</term>
<term>Free energy functions</term>
<term>Gaseous</term>
<term>Gaseous elements</term>
<term>Gaseous monoxides</term>
<term>Gaseous species</term>
<term>Gaseous yttrium</term>
<term>Ground state</term>
<term>Heat capacities</term>
<term>Heat capacity measurements</term>
<term>High temperatures</term>
<term>High vacuum</term>
<term>Higher oxides</term>
<term>Knudsen</term>
<term>Knudsen cell</term>
<term>Lanthanum</term>
<term>Lanthanum oxide</term>
<term>Leroy eyring</term>
<term>Lower oxides</term>
<term>Molecular weight</term>
<term>Monoxide</term>
<term>Neodymium</term>
<term>Neodymium oxide</term>
<term>Ohio state university</term>
<term>Oxide</term>
<term>Partial pressure</term>
<term>Partial pressures</term>
<term>Phys</term>
<term>Praseodymium oxides</term>
<term>Rare earths</term>
<term>Sample material</term>
<term>Several oxides</term>
<term>Solid phases</term>
<term>Terbium oxides</term>
<term>Thermal functions</term>
<term>Thermodynamic</term>
<term>Thermodynamic properties</term>
<term>Total entropy</term>
<term>Vapor pressure</term>
<term>Vapor species</term>
<term>Vaporization</term>
<term>Vaporization behavior</term>
<term>Volatility</term>
<term>Yttrium</term>
<term>Yttrium oxide</term>
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<term>Ceric oxide</term>
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<term>Condensed phases</term>
<term>Container material</term>
<term>Crucible</term>
<term>Diatomic molecules</term>
<term>Dissociation</term>
<term>Dissociation energies</term>
<term>Dissociation energy</term>
<term>Dissociation pressures</term>
<term>Effusion</term>
<term>Electrochemical society</term>
<term>Entropy</term>
<term>Experimental methods</term>
<term>Eyring</term>
<term>Free energies</term>
<term>Free energy</term>
<term>Free energy functions</term>
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<term>Gaseous elements</term>
<term>Gaseous monoxides</term>
<term>Gaseous species</term>
<term>Gaseous yttrium</term>
<term>Ground state</term>
<term>Heat capacities</term>
<term>Heat capacity measurements</term>
<term>High temperatures</term>
<term>High vacuum</term>
<term>Higher oxides</term>
<term>Knudsen</term>
<term>Knudsen cell</term>
<term>Lanthanum</term>
<term>Lanthanum oxide</term>
<term>Leroy eyring</term>
<term>Lower oxides</term>
<term>Molecular weight</term>
<term>Monoxide</term>
<term>Neodymium</term>
<term>Neodymium oxide</term>
<term>Ohio state university</term>
<term>Oxide</term>
<term>Partial pressure</term>
<term>Partial pressures</term>
<term>Phys</term>
<term>Praseodymium oxides</term>
<term>Rare earths</term>
<term>Sample material</term>
<term>Several oxides</term>
<term>Solid phases</term>
<term>Terbium oxides</term>
<term>Thermal functions</term>
<term>Thermodynamic</term>
<term>Thermodynamic properties</term>
<term>Total entropy</term>
<term>Vapor pressure</term>
<term>Vapor species</term>
<term>Vaporization</term>
<term>Vaporization behavior</term>
<term>Volatility</term>
<term>Yttrium</term>
<term>Yttrium oxide</term>
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<front><div type="abstract" xml:lang="en">A study of the vaporization of La2O3, Nd2O3, and Y2O3 at high temperatures has been carried out by the Knudsen effusion technique. The methods employed, the results of the measurements, and the low‐temperature heat capacities of these materials, which were determined for the purpose of calculating thermal functions of the oxides, are discussed. All the foregoing oxides react with tantalum, forming gaseous tantalummonoxide as a principal product. Cubic tantalates of lanthanum and neodymium are also formed in these reactions.</div>
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