Combinatorial investigation of the stoichiometry, electronic transport and elastic properties of (Cr1-xVx)2GeC thin films

T. H. Scabarozi; S. Benjamin; B. Adamson; J. Applegate; J. Roche; E. Pfeiffer; C. Steinmetz; C. Lunk; M. W. Barsoum; J. D. Hettinger; S. E. Lofland

doi:10.1016/j.scriptamat.2011.10.001

Combinatorial investigation of the stoichiometry, electronic transport and elastic properties of (Cr_1-xV_x)₂GeC thin films

T. H. Scabarozi, S. Benjamin, B. Adamson, J. Applegate, J. Roche, E. Pfeiffer, C. Steinmetz, C. Lunk, M. W. Barsoum, J. D. Hettinger, S. E. Lofland

Physics

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

14 Scopus citations

Abstract

We report on a combinatorial investigation of (Cr,V)-Ge-C via films grown by magnetron sputtering with a focus on the (Cr_1-xV _x)₂GeC region. Deviations from Vegard's law for (Cr _1-xV_x)₂GeC suggest that there can be deficiencies in C in Cr-rich films. All compositions showed metal-like electrical conductivity which was significantly influenced by solid-solution scattering, and the temperature coefficient of resistivity provides an indirect probe of the electronic density of states. Raman spectroscopy indicated that alloying has minimal effect on the elastic moduli.

Original language	English (US)
Pages (from-to)	85-88
Number of pages	4
Journal	Scripta Materialia
Volume	66
Issue number	2
DOIs	https://doi.org/10.1016/j.scriptamat.2011.10.001
State	Published - Jan 2012

All Science Journal Classification (ASJC) codes

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

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10.1016/j.scriptamat.2011.10.001

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Scabarozi, T. H., Benjamin, S., Adamson, B., Applegate, J., Roche, J., Pfeiffer, E., Steinmetz, C., Lunk, C., Barsoum, M. W., Hettinger, J. D., & Lofland, S. E. (2012). Combinatorial investigation of the stoichiometry, electronic transport and elastic properties of (Cr_1-xV_x)₂GeC thin films. Scripta Materialia, 66(2), 85-88. https://doi.org/10.1016/j.scriptamat.2011.10.001

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abstract = "We report on a combinatorial investigation of (Cr,V)-Ge-C via films grown by magnetron sputtering with a focus on the (Cr1-xV x)2GeC region. Deviations from Vegard's law for (Cr 1-xVx)2GeC suggest that there can be deficiencies in C in Cr-rich films. All compositions showed metal-like electrical conductivity which was significantly influenced by solid-solution scattering, and the temperature coefficient of resistivity provides an indirect probe of the electronic density of states. Raman spectroscopy indicated that alloying has minimal effect on the elastic moduli.",

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note = "Funding Information: This work was supported by NSF under Grants DMR-0503711 and MRI-0821406 .",

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AU - Scabarozi, T. H.

AU - Benjamin, S.

AU - Adamson, B.

AU - Applegate, J.

AU - Roche, J.

AU - Pfeiffer, E.

AU - Steinmetz, C.

AU - Lunk, C.

AU - Barsoum, M. W.

AU - Hettinger, J. D.

AU - Lofland, S. E.

N1 - Funding Information: This work was supported by NSF under Grants DMR-0503711 and MRI-0821406 .

PY - 2012/1

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N2 - We report on a combinatorial investigation of (Cr,V)-Ge-C via films grown by magnetron sputtering with a focus on the (Cr1-xV x)2GeC region. Deviations from Vegard's law for (Cr 1-xVx)2GeC suggest that there can be deficiencies in C in Cr-rich films. All compositions showed metal-like electrical conductivity which was significantly influenced by solid-solution scattering, and the temperature coefficient of resistivity provides an indirect probe of the electronic density of states. Raman spectroscopy indicated that alloying has minimal effect on the elastic moduli.

AB - We report on a combinatorial investigation of (Cr,V)-Ge-C via films grown by magnetron sputtering with a focus on the (Cr1-xV x)2GeC region. Deviations from Vegard's law for (Cr 1-xVx)2GeC suggest that there can be deficiencies in C in Cr-rich films. All compositions showed metal-like electrical conductivity which was significantly influenced by solid-solution scattering, and the temperature coefficient of resistivity provides an indirect probe of the electronic density of states. Raman spectroscopy indicated that alloying has minimal effect on the elastic moduli.

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Combinatorial investigation of the stoichiometry, electronic transport and elastic properties of (Cr_1-xV_x)₂GeC thin films

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