Behavior of crystalline xe nanoprecipitates during coalescence

R. C. Birtcher; S. E. Donnelly; M. Song; K. Furuya; K. Mitsuishi; C. W. Allen

doi:10.1103/PhysRevLett.83.1617

Behavior of crystalline xe nanoprecipitates during coalescence

R. C. Birtcher, S. E. Donnelly, M. Song, K. Furuya, K. Mitsuishi, C. W. Allen

Research output: Contribution to journal › Article › peer-review

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Abstract

In situ high-resolution electron microscopy has been used to observe nanoprecipitates of crystalline Xe in faceted cavities in Al during coalescence induced by 1.0 MeV electron irradiation at 300 K. Atomic-level fluctuations of cavity facets result in shape changes and precipitate motion leading to coalescence. There is no apparent elastic interaction between precipitates separated by as little as 0.5 nm. After coalescence, crystalline Xe conforms by plastic deformation without melting to changes in cavity shape. Cavity volume, not surface area, is conserved during coalescence, implying that cavity pressure is not determined solely by the interface tension.

Original language	English
Pages (from-to)	1617-1620
Number of pages	4
Journal	Physical Review Letters
Volume	83
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevLett.83.1617
Publication status	Published - 23 Aug 1999
Externally published	Yes

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abstract = "In situ high-resolution electron microscopy has been used to observe nanoprecipitates of crystalline Xe in faceted cavities in Al during coalescence induced by 1.0 MeV electron irradiation at 300 K. Atomic-level fluctuations of cavity facets result in shape changes and precipitate motion leading to coalescence. There is no apparent elastic interaction between precipitates separated by as little as 0.5 nm. After coalescence, crystalline Xe conforms by plastic deformation without melting to changes in cavity shape. Cavity volume, not surface area, is conserved during coalescence, implying that cavity pressure is not determined solely by the interface tension.",

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AU - Donnelly, S. E.

AU - Song, M.

AU - Furuya, K.

AU - Mitsuishi, K.

AU - Allen, C. W.

PY - 1999/8/23

Y1 - 1999/8/23

N2 - In situ high-resolution electron microscopy has been used to observe nanoprecipitates of crystalline Xe in faceted cavities in Al during coalescence induced by 1.0 MeV electron irradiation at 300 K. Atomic-level fluctuations of cavity facets result in shape changes and precipitate motion leading to coalescence. There is no apparent elastic interaction between precipitates separated by as little as 0.5 nm. After coalescence, crystalline Xe conforms by plastic deformation without melting to changes in cavity shape. Cavity volume, not surface area, is conserved during coalescence, implying that cavity pressure is not determined solely by the interface tension.

AB - In situ high-resolution electron microscopy has been used to observe nanoprecipitates of crystalline Xe in faceted cavities in Al during coalescence induced by 1.0 MeV electron irradiation at 300 K. Atomic-level fluctuations of cavity facets result in shape changes and precipitate motion leading to coalescence. There is no apparent elastic interaction between precipitates separated by as little as 0.5 nm. After coalescence, crystalline Xe conforms by plastic deformation without melting to changes in cavity shape. Cavity volume, not surface area, is conserved during coalescence, implying that cavity pressure is not determined solely by the interface tension.

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DO - 10.1103/PhysRevLett.83.1617

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JO - Physical Review Letters

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Behavior of crystalline xe nanoprecipitates during coalescence

Abstract

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