Construct · 2 fields · 3 citations

Where does misfit collide?

One name. Different field. Different construct. One map.

● jingle · one word, two constructs Nearest construct by meaning·not indexed
misfit2 CONSTRUCTSMisfit strainFRANK–VDM · MISMATCHMisfitALEXANDER · DESIGN THEORY

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1949Misfit strain1964Misfit
2026

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Materials science

Strain from a lattice mismatch

In crystal growth and thin-film epitaxy, misfit is the fractional mismatch between the lattice spacings of a film and the substrate it grows on, which strains the film elastically until, above a critical thickness, the strain is relieved by misfit dislocations at the interface. Frank and van der Merwe's 1949 One-dimensional dislocations gave the first theory of how such a mismatched overlayer accommodates the misfit, and Matthews and Blakeslee's 1974 Defects in epitaxial multilayers set the critical thickness at which misfit dislocations appear. The referent is the lattice mismatch strain at an epitaxial interface, measured as a misfit fraction and a critical thickness, and it anchors how strained semiconductor and oxide layers are engineered.[1][2]

Unit
The fractional lattice mismatch strain between film and substrate
Recovery means
Not applicable
Measured by
Determined from the lattice-parameter mismatch, X-ray diffraction, and the critical thickness for dislocation onset

Design theory

a mismatch between a form and its context; design proceeds by removing misfits.

In design theory, misfit refers to a mismatch between a form and its context; design proceeds by removing misfits. This meaning comes from Alexander (1964) in Notes on the synthesis of form.[3]

Unit
Recovery means
Measured by

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Nearby collisions

interstitial1 fields · 1 citationsanchor · a standalone constructepitaxy1 fields · 3 citationsanchor · one construct, one fieldcrystal4 fields · 4 citationsjingle · one word, four constructs

References

  1. Frank, F. C., & van der Merwe, J. H. (1949). One-dimensional dislocations. I. Static theory. Proceedings of the Royal Society A, 198(1053), 205–216. https://doi.org/10.1098/rspa.1949.0095
  2. Matthews, J. W., & Blakeslee, A. E. (1974). Defects in epitaxial multilayers: I. Misfit dislocations. Journal of Crystal Growth, 27, 118–125. https://doi.org/10.1016/S0022-0248(74)80055-2
  3. Alexander, C. (1964). Notes on the synthesis of form. Distributed by Oxford University Press. ISBN 9780674627512

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