Spin and orbital magnetic moments of molecular beam epitaxy γ′-Fe4N films on LaAlO3(001) and MgO(001) substrates by x-ray magnetic circular dichroism
Applied Physics Letters Volume 98 Issue 10
Page 102507-1-102507-3
published_at 2011-03-10
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| File | |
| Title ( eng ) |
Spin and orbital magnetic moments of molecular beam epitaxy γ′-Fe4N films on LaAlO3(001) and MgO(001) substrates by x-ray magnetic circular dichroism
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| Creator |
Ito K.
Lee G. H.
Harada K.
Suzuno M.
Suemasu T.
Takeda Y.
Saitoh Y.
Ye M.
Kimura A.
Akinaga H.
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| Source Title |
Applied Physics Letters
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| Volume | 98 |
| Issue | 10 |
| Start Page | 102507-1 |
| End Page | 102507-3 |
| Abstract |
10-nm-thick γ′-Fe4N films were grown epitaxially on LaAlO_3(001) and MgO(001) substrates by molecular beam epitaxy using solid Fe and a radio-frequency NH_3 plasma. The lattice mismatch of these substrates to γ′-Fe_4N is 0% and 11%, respectively. Spin and orbital magnetic moments of these γ′-Fe_4N epitaxial films were deduced by x-ray magnetic circular dichroism measurements at 300 K. The total magnetic moments are almost the same for the two substrates, that is, 2.44±0.06 μ_B and 2.47±0.06 μ_B, respectively. These values are very close to those predicted theoretically, and distinctively larger than that for α-Fe.
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| Language |
eng
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| Resource Type | journal article |
| Publisher |
American Institute of Physics
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| Date of Issued | 2011-03-10 |
| Rights |
Copyright (c) 2011 American Institute of Physics.
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| Publish Type | Version of Record |
| Access Rights | open access |
| Source Identifier |
[ISSN] 0003-6951
[DOI] 10.1063/1.3564887
[NCID] AA00543431
[DOI] http://dx.doi.org/10.1063/1.3564887
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