Observation of twin‐related order domains in CuFePt2

M. Shahmiri; D. J. Vaughan; S. Murphy

doi:10.1002/pssa.2210950106

Observation of twin‐related order domains in CuFePt₂

M. Shahmiri^*, D. J. Vaughan, S. Murphy

^*Corresponding author for this work

Earth and Environmental Sciences - Academic & Research

Aston University

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

Abstract

It is shown that the intermetallic compound CuFePt₂ is isomorphous with FePt and becomes ordered at temperatures below 1150 °C to form the L1₀ structure. In rapidly cooled polycrystalline material the grains are subdivided into twin‐related domains with {101} habit to compensate for the stresses set up by the tetragonal distortion. Coloniesof small twins are found within larger twins on three levels of scale, and it is suggested that these smaller twins are formed by successive re‐ordering of a previously ordered matrix during cooling.

Original language	English
Pages (from-to)	63-72
Number of pages	10
Journal	physica status solidi (a)
Volume	95
Issue number	1
DOIs	https://doi.org/10.1002/pssa.2210950106
Publication status	Published - 16 May 1986

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abstract = "It is shown that the intermetallic compound CuFePt2 is isomorphous with FePt and becomes ordered at temperatures below 1150 °C to form the L10 structure. In rapidly cooled polycrystalline material the grains are subdivided into twin‐related domains with {101} habit to compensate for the stresses set up by the tetragonal distortion. Coloniesof small twins are found within larger twins on three levels of scale, and it is suggested that these smaller twins are formed by successive re‐ordering of a previously ordered matrix during cooling.",

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AU - Vaughan, D. J.

AU - Murphy, S.

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N2 - It is shown that the intermetallic compound CuFePt2 is isomorphous with FePt and becomes ordered at temperatures below 1150 °C to form the L10 structure. In rapidly cooled polycrystalline material the grains are subdivided into twin‐related domains with {101} habit to compensate for the stresses set up by the tetragonal distortion. Coloniesof small twins are found within larger twins on three levels of scale, and it is suggested that these smaller twins are formed by successive re‐ordering of a previously ordered matrix during cooling.

AB - It is shown that the intermetallic compound CuFePt2 is isomorphous with FePt and becomes ordered at temperatures below 1150 °C to form the L10 structure. In rapidly cooled polycrystalline material the grains are subdivided into twin‐related domains with {101} habit to compensate for the stresses set up by the tetragonal distortion. Coloniesof small twins are found within larger twins on three levels of scale, and it is suggested that these smaller twins are formed by successive re‐ordering of a previously ordered matrix during cooling.

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Observation of twin‐related order domains in CuFePt₂

Abstract

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