Shear instability of γ-Fe in bulk and in ultrathin films

Daniel Spisak; Juergen Hafner

doi:10.1103/PhysRevLett.88.056101

Shear instability of γ-Fe in bulk and in ultrathin films

Daniel Spisak, Juergen Hafner

Computational Materials Physics

Publications: Contribution to journal › Article › Peer Reviewed

Abstract

Shear instability of ?-Fe in bulk and in ultrathin film was studied using scanning tunneling microscopy (STM). In the films, the epitaxial constraint limits the shear distortions to narrow domains while shear instability was strongly correlated to the magnetic properties of the films. It is found that along the Bain path describing the transformation of face-centered (fcc) ?-Fe into body-centered-cubic (bcc) ?-Fe, tetragonal Fe is unstable against monoclinic shear deformations producing bcc structure.

Original language	English
Article number	056101
Number of pages	4
Journal	Physical Review Letters
Volume	88
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevLett.88.056101
Publication status	Published - 2002

Austrian Fields of Science 2012

1030 Physics, Astronomy

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10.1103/PhysRevLett.88.056101

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title = "Shear instability of γ-Fe in bulk and in ultrathin films",

abstract = "Shear instability of ?-Fe in bulk and in ultrathin film was studied using scanning tunneling microscopy (STM). In the films, the epitaxial constraint limits the shear distortions to narrow domains while shear instability was strongly correlated to the magnetic properties of the films. It is found that along the Bain path describing the transformation of face-centered (fcc) ?-Fe into body-centered-cubic (bcc) ?-Fe, tetragonal Fe is unstable against monoclinic shear deformations producing bcc structure.",

author = "Daniel Spisak and Juergen Hafner",

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year = "2002",

doi = "10.1103/PhysRevLett.88.056101",

language = "English",

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AU - Hafner, Juergen

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N2 - Shear instability of ?-Fe in bulk and in ultrathin film was studied using scanning tunneling microscopy (STM). In the films, the epitaxial constraint limits the shear distortions to narrow domains while shear instability was strongly correlated to the magnetic properties of the films. It is found that along the Bain path describing the transformation of face-centered (fcc) ?-Fe into body-centered-cubic (bcc) ?-Fe, tetragonal Fe is unstable against monoclinic shear deformations producing bcc structure.

AB - Shear instability of ?-Fe in bulk and in ultrathin film was studied using scanning tunneling microscopy (STM). In the films, the epitaxial constraint limits the shear distortions to narrow domains while shear instability was strongly correlated to the magnetic properties of the films. It is found that along the Bain path describing the transformation of face-centered (fcc) ?-Fe into body-centered-cubic (bcc) ?-Fe, tetragonal Fe is unstable against monoclinic shear deformations producing bcc structure.

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DO - 10.1103/PhysRevLett.88.056101

M3 - Article

SN - 0031-9007

VL - 88

JO - Physical Review Letters

JF - Physical Review Letters

IS - 5

M1 - 056101

ER -

Shear instability of γ-Fe in bulk and in ultrathin films

Abstract

Austrian Fields of Science 2012

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