Critical thickness of the amorphous-nanocrystalline transition in Gd/Fe film structures

J. Landes; Ch Sauer; B. Kabius; W. Zinn

doi:10.1103/PhysRevB.44.8342

Critical thickness of the amorphous-nanocrystalline transition in Gd/Fe film structures

J. Landes, Ch Sauer, B. Kabius, W. Zinn

Materials Research Institute (MRI)

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62 Scopus citations

Abstract

The growth of Gd/Fe layered structures prepared by evaporation in UHV was studied by means of in situ Fe57 conversion-electron Mössbauer spectroscopy and cross-section high-resolution transmission electron microscopy. The Fe layer grows on the Gd sublayer in an amorphous structure up to a critical Fe thickness of dc=2.30.1 nm. On further increasing the Fe thickness, a rapid transformation to nanocrystalline structure throughout the total Fe layer occurs. This effect is suggested to be due mainly to the extreme misfit between the structural parameters of Fe and Gd.

Original language	English (US)
Pages (from-to)	8342-8345
Number of pages	4
Journal	Physical Review B
Volume	44
Issue number	15
DOIs	https://doi.org/10.1103/PhysRevB.44.8342
State	Published - 1991

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1103/PhysRevB.44.8342

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abstract = "The growth of Gd/Fe layered structures prepared by evaporation in UHV was studied by means of in situ Fe57 conversion-electron M{\"o}ssbauer spectroscopy and cross-section high-resolution transmission electron microscopy. The Fe layer grows on the Gd sublayer in an amorphous structure up to a critical Fe thickness of dc=2.30.1 nm. On further increasing the Fe thickness, a rapid transformation to nanocrystalline structure throughout the total Fe layer occurs. This effect is suggested to be due mainly to the extreme misfit between the structural parameters of Fe and Gd.",

author = "J. Landes and Ch Sauer and B. Kabius and W. Zinn",

year = "1991",

doi = "10.1103/PhysRevB.44.8342",

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AU - Sauer, Ch

AU - Kabius, B.

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AB - The growth of Gd/Fe layered structures prepared by evaporation in UHV was studied by means of in situ Fe57 conversion-electron Mössbauer spectroscopy and cross-section high-resolution transmission electron microscopy. The Fe layer grows on the Gd sublayer in an amorphous structure up to a critical Fe thickness of dc=2.30.1 nm. On further increasing the Fe thickness, a rapid transformation to nanocrystalline structure throughout the total Fe layer occurs. This effect is suggested to be due mainly to the extreme misfit between the structural parameters of Fe and Gd.

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Critical thickness of the amorphous-nanocrystalline transition in Gd/Fe film structures

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