Chemical short-range order and lattice deformations in MgyTi1-yHx thin films probed by hydrogenography

R.F.A. Gremaud; A. Baldi; M. Gonzalez Silveira; B. Dam; R.P. Griessen

doi:10.1103/PhysRevB.77.144204

Chemical short-range order and lattice deformations in MgyTi1-yHx thin films probed by hydrogenography

R.F.A. Gremaud, A. Baldi, M. Gonzalez Silveira, B. Dam, R.P. Griessen

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Abstract

A multisite lattice gas approach is used to model pressure-optical- transmission isotherms (PTIs) recorded by hydrogenography on Mgy Ti1-y Hx sputtered thin films. The model reproduces the measured PTIs well and allows us to determine the chemical short-range order parameter s. The s values are in good agreement with those determined from extended x-ray absorption fine structure measurements. Additionally, the PTI multisite modeling yields a parameter L that accounts for the local lattice deformations with respect to the average Mgy Ti1-y lattice given by Vegard's law. It is thus possible to extract two essential characteristics of a metastable alloy from hydrogenographic data. © 2008 The American Physical Society.

Original language	English
Journal	Physical Review B. Condensed Matter and Materials Physics
Volume	77
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevB.77.144204
Publication status	Published - Apr 2008

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Times Cited: 3

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10.1103/PhysRevB.77.144204

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title = "Chemical short-range order and lattice deformations in MgyTi1-yHx thin films probed by hydrogenography",

abstract = "A multisite lattice gas approach is used to model pressure-optical- transmission isotherms (PTIs) recorded by hydrogenography on Mgy Ti1-y Hx sputtered thin films. The model reproduces the measured PTIs well and allows us to determine the chemical short-range order parameter s. The s values are in good agreement with those determined from extended x-ray absorption fine structure measurements. Additionally, the PTI multisite modeling yields a parameter L that accounts for the local lattice deformations with respect to the average Mgy Ti1-y lattice given by Vegard's law. It is thus possible to extract two essential characteristics of a metastable alloy from hydrogenographic data. {\textcopyright} 2008 The American Physical Society.",

author = "R.F.A. Gremaud and A. Baldi and {Gonzalez Silveira}, M. and B. Dam and R.P. Griessen",

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AU - Gremaud, R.F.A.

AU - Baldi, A.

AU - Gonzalez Silveira, M.

AU - Dam, B.

AU - Griessen, R.P.

N1 - Times Cited: 3

PY - 2008/4

Y1 - 2008/4

N2 - A multisite lattice gas approach is used to model pressure-optical- transmission isotherms (PTIs) recorded by hydrogenography on Mgy Ti1-y Hx sputtered thin films. The model reproduces the measured PTIs well and allows us to determine the chemical short-range order parameter s. The s values are in good agreement with those determined from extended x-ray absorption fine structure measurements. Additionally, the PTI multisite modeling yields a parameter L that accounts for the local lattice deformations with respect to the average Mgy Ti1-y lattice given by Vegard's law. It is thus possible to extract two essential characteristics of a metastable alloy from hydrogenographic data. © 2008 The American Physical Society.

AB - A multisite lattice gas approach is used to model pressure-optical- transmission isotherms (PTIs) recorded by hydrogenography on Mgy Ti1-y Hx sputtered thin films. The model reproduces the measured PTIs well and allows us to determine the chemical short-range order parameter s. The s values are in good agreement with those determined from extended x-ray absorption fine structure measurements. Additionally, the PTI multisite modeling yields a parameter L that accounts for the local lattice deformations with respect to the average Mgy Ti1-y lattice given by Vegard's law. It is thus possible to extract two essential characteristics of a metastable alloy from hydrogenographic data. © 2008 The American Physical Society.

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DO - 10.1103/PhysRevB.77.144204

M3 - Article

VL - 77

JO - Physical Review B

JF - Physical Review B

SN - 1098-0121

IS - 14

ER -

Chemical short-range order and lattice deformations in MgyTi1-yHx thin films probed by hydrogenography

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