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Issue 34, 2014
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Detecting gas molecules via atomic magnetization

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Abstract

Adsorptions of gas molecules were found to alter the directions and magnitudes of magnetic moments of transition metal (Co, Fe) atoms adsorbed on graphene. Using first-principles calculations, we demonstrated that magnetism of surface atoms can be used to identify the kind of existing gas molecules via spin-reorientation and/or demagnetizations caused by the reconfigurations of 3d electron energy levels of Co and Fe. We suggest for the first time that magnetic properties of transition metal-embedded nanostructures can be used in highly selective gas-sensing applications.

Graphical abstract: Detecting gas molecules via atomic magnetization

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Publication details

The article was received on 13 May 2014, accepted on 02 Jul 2014 and first published on 03 Jul 2014


Article type: Paper
DOI: 10.1039/C4DT01401D
Citation: Dalton Trans., 2014,43, 13070-13075
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    Detecting gas molecules via atomic magnetization

    H. Choi, M. Lee, S. Kim, K. Lee and Y. Chung, Dalton Trans., 2014, 43, 13070
    DOI: 10.1039/C4DT01401D

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