Role of metastable states in phase ordering dynamics

R M L  Evans; W C K Poon; M E Cates

doi:10.1209/epl/i1997-00289-y

Role of metastable states in phase ordering dynamics

R M L Evans, W C K Poon, M E Cates

School of Physics and Astronomy

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

Abstract / Description of output

We show that the rate of separation of two phases of different densities (e.g. gas and solid) can be radically altered by the presence of a metastable intermediate phase (e.g. liquid). Within a Cahn-Hilliard theory we study the growth in one dimension of a solid droplet from a supersaturated gas. A moving interface between solid and gas phases (say) can, for sufficient (transient) supersaturation, unbind into two interfaces separated by a slab of metastable liquid phase. We investigate the criteria for unbinding, and show that it may strongly impede the growth of the solid phase.

Original language	English
Pages (from-to)	595-600
Number of pages	6
Journal	European Physical Society Letters (EPL)
Volume	38
Issue number	8
DOIs	https://doi.org/10.1209/epl/i1997-00289-y
Publication status	Published - 10 Jun 1997

Keywords / Materials (for Non-textual outputs)

BEHAVIOR
MECHANISM
GROWTH

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title = "Role of metastable states in phase ordering dynamics",

abstract = "We show that the rate of separation of two phases of different densities (e.g. gas and solid) can be radically altered by the presence of a metastable intermediate phase (e.g. liquid). Within a Cahn-Hilliard theory we study the growth in one dimension of a solid droplet from a supersaturated gas. A moving interface between solid and gas phases (say) can, for sufficient (transient) supersaturation, unbind into two interfaces separated by a slab of metastable liquid phase. We investigate the criteria for unbinding, and show that it may strongly impede the growth of the solid phase.",

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year = "1997",

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T1 - Role of metastable states in phase ordering dynamics

AU - Evans, R M L

AU - Poon, W C K

AU - Cates, M E

PY - 1997/6/10

Y1 - 1997/6/10

N2 - We show that the rate of separation of two phases of different densities (e.g. gas and solid) can be radically altered by the presence of a metastable intermediate phase (e.g. liquid). Within a Cahn-Hilliard theory we study the growth in one dimension of a solid droplet from a supersaturated gas. A moving interface between solid and gas phases (say) can, for sufficient (transient) supersaturation, unbind into two interfaces separated by a slab of metastable liquid phase. We investigate the criteria for unbinding, and show that it may strongly impede the growth of the solid phase.

AB - We show that the rate of separation of two phases of different densities (e.g. gas and solid) can be radically altered by the presence of a metastable intermediate phase (e.g. liquid). Within a Cahn-Hilliard theory we study the growth in one dimension of a solid droplet from a supersaturated gas. A moving interface between solid and gas phases (say) can, for sufficient (transient) supersaturation, unbind into two interfaces separated by a slab of metastable liquid phase. We investigate the criteria for unbinding, and show that it may strongly impede the growth of the solid phase.

KW - BEHAVIOR

KW - MECHANISM

KW - GROWTH

U2 - 10.1209/epl/i1997-00289-y

DO - 10.1209/epl/i1997-00289-y

M3 - Article

SN - 0295-5075

VL - 38

SP - 595

EP - 600

JO - European Physical Society Letters (EPL)

JF - European Physical Society Letters (EPL)

IS - 8

ER -

Role of metastable states in phase ordering dynamics

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Keywords / Materials (for Non-textual outputs)

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