Crossref journal-article
Wiley
Berichte der Bunsengesellschaft für physikalische Chemie (311)
Abstract

AbstractStarting around 1970, two methods have been developed that may give information about the lattice stability Hα/βHα–Hβ, i.e. the enthalpy difference between two phases, α and β, of a pure element or compound. The ab initio method is purely theoretical and relies on electron structure calculations. The CALPHAD method derives a Gibbs energy function GHTS from experimental thermodynamic data, including phase diagrams. A long‐standing problem has been that the two methods gave very different lattice stabilities for some transition metals, e.g., W. The reason for this discrepancy has recently been clarified, when the role of dynamical lattice instabilities was realised. This paper gives an account of how the discrepancy emerged and is now resolved. The interpretation and practical applicability of the Gibbs energy function in the CALPHAD approach to systems containing dynamical instabilities is clarified.

Bibliography

Grimvall, G. (1998). Reconciling ab initio and semiempirical approaches to lattice stabilities. Berichte Der Bunsengesellschaft Für Physikalische Chemie, 102(9), 1083–1087. Portico.

Authors 1
  1. Göran Grimvall (first)
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Dates
Type When
Created 13 years ago (July 25, 2012, 11:13 a.m.)
Deposited 1 year, 9 months ago (Oct. 27, 2023, 8:22 p.m.)
Indexed 1 year, 1 month ago (July 2, 2024, 9:55 a.m.)
Issued 26 years, 11 months ago (Sept. 1, 1998)
Published 26 years, 11 months ago (Sept. 1, 1998)
Published Online 15 years, 1 month ago (June 22, 2010)
Published Print 26 years, 11 months ago (Sept. 1, 1998)
Funders 0

None

@article{Grimvall_1998, title={Reconciling ab initio and semiempirical approaches to lattice stabilities}, volume={102}, ISSN={0005-9021}, url={http://dx.doi.org/10.1002/bbpc.19981020904}, DOI={10.1002/bbpc.19981020904}, number={9}, journal={Berichte der Bunsengesellschaft für physikalische Chemie}, publisher={Wiley}, author={Grimvall, Göran}, year={1998}, month=sep, pages={1083–1087} }