Strain-domain structure and stability diagrams for single-domain magnetic thin films

J. J. Wang; Jia Mian Hu; Long Qing Chen; Ce Wen Nan

doi:10.1063/1.4824165

Strain-domain structure and stability diagrams for single-domain magnetic thin films

J. J. Wang, Jia Mian Hu, Long Qing Chen, Ce Wen Nan

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

16 Scopus citations

Abstract

Strain effects on domain structures and thermal stability in single-domain magnetic thin films were studied using thermodynamic analysis. The strain-domain structure and stability diagrams were established and compared to several existing experimental results. The structure diagram displays various stable single-domain states under in-plane normal and/or in-plane shear strains by minimizing the free energy density whereas the stability diagram takes into account possible thermal excitations and hence illustrate the thermally stable magnetic single-domain states. The results improve the understanding of strain-magnetization correlation in magnetic thin films and provide useful insight for the development of strain-engineered magnetic nanostructures with novel functionalities.

Original language	English (US)
Article number	142413
Journal	Applied Physics Letters
Volume	103
Issue number	14
DOIs	https://doi.org/10.1063/1.4824165
State	Published - 2013

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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title = "Strain-domain structure and stability diagrams for single-domain magnetic thin films",

abstract = "Strain effects on domain structures and thermal stability in single-domain magnetic thin films were studied using thermodynamic analysis. The strain-domain structure and stability diagrams were established and compared to several existing experimental results. The structure diagram displays various stable single-domain states under in-plane normal and/or in-plane shear strains by minimizing the free energy density whereas the stability diagram takes into account possible thermal excitations and hence illustrate the thermally stable magnetic single-domain states. The results improve the understanding of strain-magnetization correlation in magnetic thin films and provide useful insight for the development of strain-engineered magnetic nanostructures with novel functionalities.",

author = "Wang, {J. J.} and Hu, {Jia Mian} and Chen, {Long Qing} and Nan, {Ce Wen}",

note = "Funding Information: This work was supported by the NSF of China (Grant Nos. 51332001, 11234005 and 51221291), the National Basic Research Program of China (Grant No. 2009CB623303), and the NSF under Grant No DMR-1006541. ",

year = "2013",

doi = "10.1063/1.4824165",

language = "English (US)",

volume = "103",

journal = "Applied Physics Letters",

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TY - JOUR

T1 - Strain-domain structure and stability diagrams for single-domain magnetic thin films

AU - Wang, J. J.

AU - Hu, Jia Mian

AU - Chen, Long Qing

AU - Nan, Ce Wen

N1 - Funding Information: This work was supported by the NSF of China (Grant Nos. 51332001, 11234005 and 51221291), the National Basic Research Program of China (Grant No. 2009CB623303), and the NSF under Grant No DMR-1006541.

PY - 2013

Y1 - 2013

N2 - Strain effects on domain structures and thermal stability in single-domain magnetic thin films were studied using thermodynamic analysis. The strain-domain structure and stability diagrams were established and compared to several existing experimental results. The structure diagram displays various stable single-domain states under in-plane normal and/or in-plane shear strains by minimizing the free energy density whereas the stability diagram takes into account possible thermal excitations and hence illustrate the thermally stable magnetic single-domain states. The results improve the understanding of strain-magnetization correlation in magnetic thin films and provide useful insight for the development of strain-engineered magnetic nanostructures with novel functionalities.

AB - Strain effects on domain structures and thermal stability in single-domain magnetic thin films were studied using thermodynamic analysis. The strain-domain structure and stability diagrams were established and compared to several existing experimental results. The structure diagram displays various stable single-domain states under in-plane normal and/or in-plane shear strains by minimizing the free energy density whereas the stability diagram takes into account possible thermal excitations and hence illustrate the thermally stable magnetic single-domain states. The results improve the understanding of strain-magnetization correlation in magnetic thin films and provide useful insight for the development of strain-engineered magnetic nanostructures with novel functionalities.

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