X-ray magnetic circular dichroism of ferromagnetic Co4N epitaxial films on SrTiO3(001) substrates grown by molecular beam epitaxy
Applied Physics Letters Volume 99 Issue 25
Page 252501-
published_at 2011
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| Title ( eng ) |
X-ray magnetic circular dichroism of ferromagnetic Co4N epitaxial films on SrTiO3(001) substrates grown by molecular beam epitaxy
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| Creator |
Ito Keita
Harada Kazunori
Toko Kaoru
Ye Mao
Takeda Yukiharu
Saitoh Yuji
Akinaga Hiro
Suemasu Takashi
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| Source Title |
Applied Physics Letters
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| Volume | 99 |
| Issue | 25 |
| Start Page | 252501 |
| Abstract |
5-nm thick Co4N layers capped with 3-nm thick Au layers were grown epitaxially on SrTiO3(001) substrates by molecular beam epitaxy using solid Co and a radio-frequency NH3 plasma. Spin and orbital magnetic moments of the Co4N layers were estimated using x-ray magnetic circular dichroism (XMCD) measurements at 300 K. The site-averaged Co 3d spin magnetic moment is evaluated to be about 1.4 μB, which is smaller than that predicted theoretically (1.58 μB). The element-specific XMCD intensities for the Co L3 edge and N K edge show that the magnetic moment is induced at the N atoms.
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| NDC |
Physics [ 420 ]
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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 |
| Rights |
(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] 10.1063/1.3670353
[NCID] AA00543431
[DOI] http://dx.doi.org/10.1063/1.3670353
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