DOI: 10.1063/1.439954. High temperature thermodynamics of the yttrium

High temperature thermodynamics of the yttrium–hydrogen systems

10.1063/1.439954

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

The binary system, yttrium–hydrogen, has been studied at 919 K at pressures up to 1 atm by a calorimetric–equilibrium method. From the calorimetric measurements we found the enthalpy of formation of YH2 at 919 K to be −52.8±0.4 kcal mole−1. The calorimetric results are in very good agreement with some of the enthalpies reported in a recent equilibrium investigation. Comparisons between the calorimetric measurements and the available equilibrium data provide new information on the partial entropy of hydrogen both in close packed hexagonal yttrium, and in the nonstoichiometric dihydride YH2−δ. For both phases we find the partial excess entropy of hydrogen near 1000 K to be about +5 cal mole−1 K−1; this value is essentially fully accounted for by the vibrational entropy contributions of hydrogen.

Bibliography

Dantzer, P. G., & Kleppa, O. J. (1980). High temperature thermodynamics of the yttriumâhydrogen systems. The Journal of Chemical Physics, 73(10), 5259â5263.

Authors 2

P. G. Dantzer (first)
O. J. Kleppa (additional)

References 19 Referenced 17

{'key': '2024020919465316100_r1'}
{'key': '2024020919465316100_r2'}
10.1103/PhysRevB.19.4855 / Phys. Rev. B (1979)
10.1103/PhysRevB.20.5301 / Phys. Rev. B (1979)
10.1103/PhysRevB.19.4867 / Phys. Rev. B (1979)
10.1149/1.2425565 / J. Electrochem. Soc. (1962)
10.1021/j100892a004 / J. Phys. Chem. (1965)
10.1063/1.439496 / J. Chem. Phys. (1980)
10.1063/1.1732681 / J. Chem. Phys. (1962)
{'key': '2024020919465316100_r10', 'first-page': '89', 'volume': '12', 'year': '1980', 'journal-title': 'High Temp. Sci.'} / High Temp. Sci. (1980)
{'key': '2024020919465316100_r11'}
10.1016/S0021-9614(73)80109-0 / J. Chem. Thermodyn. (1973)
10.1021/j100841a032 / J. Phys. Chem. (1960)
10.1051/jcp/1973700559 / J. Chim. Phys. (1973)
10.1016/0021-9614(77)90158-6 / J. Chem. Thermodyn. (1977)
{'key': '2024020919465316100_r16'}
10.1063/1.1727404 / J. Chem. Phys. (1966)
10.1016/0022-4596(79)90074-4 / J. Solid State Chem. (1979)
{'key': '2024020919465316100_r19', 'first-page': '163', 'volume': '11', 'year': '1930', 'journal-title': 'Z. Phys. Chem. B'} / Z. Phys. Chem. B (1930)

Dates

Type	When
Created	22 years, 5 months ago (Feb. 28, 2003, 10:31 a.m.)
Deposited	1 year, 6 months ago (Feb. 9, 2024, 4:56 p.m.)
Indexed	1 year, 6 months ago (Feb. 9, 2024, 5:10 p.m.)
Issued	44 years, 9 months ago (Nov. 15, 1980)
Published	44 years, 9 months ago (Nov. 15, 1980)
Published Print	44 years, 9 months ago (Nov. 15, 1980)

Funders 0

None

BibTeX

@article{Dantzer_1980, title={High temperature thermodynamics of the yttrium–hydrogen systems}, volume={73}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.439954}, DOI={10.1063/1.439954}, number={10}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Dantzer, P. G. and Kleppa, O. J.}, year={1980}, month=nov, pages={5259–5263} }

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