Predicting Pseudomorphic Phases in Multilayers: Hexagonal-Closed-Packed Nb in Nb/Zr

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dc.contributor.author Thompson, G. B.
dc.contributor.author Banerjee, R.
dc.contributor.author Fraser, H. L.
dc.date.accessioned 2018-11-13T14:46:50Z
dc.date.available 2018-11-13T14:46:50Z
dc.date.issued 2003-12-17
dc.identifier.citation Thompson, G., Banerjee, R., Fraser, H. (2004): Predicting Pseudomorphic Phases in Multilayers: Hexagonal-Closed-Packed Nb in Nb/Zr. Applied Physics Letters, 84(7). DOI: https://doi.org/10.1063/1.1647687 en_US
dc.identifier.uri http://ir.ua.edu/handle/123456789/4912
dc.description.abstract As the dimensions of materials are reduced to the nanometer scale, changes in phase stability, referred to as pseudomorphism, are being reported. Such changes in phase stability are often serendipitously discovered in multilayered thin films. In this letter, we use a classical thermodynamic treatment to model and predict phase stability in Nb/Zr multilayers. An outcome of this letter is the development of a biphase stability diagram that represents the interrelationship of phase stability to volume fraction and length scale. Using this methodology, an hcp Nb phase stability field was empirically postulated and subsequently confirmed by x-ray and electron diffraction. The successful prediction of this phase, based upon classical thermodynamics quantities, suggests that other types of phase stabilities in other multilayers could be proposed using the biphase diagram. en_US
dc.format.mimetype application/pdf en_US
dc.subject Thin films en_US
dc.subject X-rays en_US
dc.subject Classical thermodynamics en_US
dc.subject Crystal structure en_US
dc.subject Electron diffraction en_US
dc.title Predicting Pseudomorphic Phases in Multilayers: Hexagonal-Closed-Packed Nb in Nb/Zr en_US
dc.type text en_US


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