Temperature dependence of the interface moments in Co2MnSi thin films [electronic resource]
Xmcd Cms Tmr Tey Xas Icp.
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Online Access |
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Corporate Author: | |
Format: | Government Document Electronic eBook |
Language: | English |
Published: |
Berkeley, Calif. : Oak Ridge, Tenn. :
Lawrence Berkeley National Laboratory ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,
2008.
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Subjects: |
MARC
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245 | 0 | 0 | |a Temperature dependence of the interface moments in Co2MnSi thin films |h [electronic resource] |
260 | |a Berkeley, Calif. : |b Lawrence Berkeley National Laboratory ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, |c 2008. | ||
336 | |a text |b txt |2 rdacontent. | ||
337 | |a computer |b c |2 rdamedia. | ||
338 | |a online resource |b cr |2 rdacarrier. | ||
500 | |a Published through the Information Bridge: DOE Scientific and Technical Information. | ||
500 | |a 03/15/2008. | ||
500 | |a "lbnl-257e" | ||
500 | |a APPLIED PHYSICS LETTERS 92 ISSN 0003-6951; APPLAB FT. | ||
500 | |a Miyazaki, T.; Ando, Y.; Arenholz, E.; van der Laan, G.; Sakuraba, Y.; Arenholz, Elke; Telling, N.; Hicken, R.; Oogane, M.; Keatley, P.; Shelford, L. | ||
500 | |a Advanced Light Source Division. | ||
520 | 3 | |a X-ray magnetic circular dichroism (XMCD) is utilized to explore the temperature dependence of the interface moments in Co₂MnSi (CMS) thin films capped with aluminium. By increasing the thickness of the capping layer we demonstrate enhanced interface sensitivity of the measurements and the existence of a thin Mn oxide layer at the CMS/Al interface even when a thick capping layer is used. We show that for well ordered L2₁ CMS films there is no significant variation in either the Co or Mn interface moments as a function of temperature. However, a dramatic reduction in the interface moments at low temperature is observed in a disordered CMS film that is likely to be caused by increased Mn-Mn antiferromagnetic coupling. It is suggested that for ordered L2₁ CMS films the temperature dependence of the tunneling magnetoresistance is not related to changes in the interface moments. However, the existence of residual Mn oxide at the CMS/barrier interface could be a contributing factor. | |
520 | 0 | |a Xmcd Cms Tmr Tey Xas Icp. | |
536 | |b DE-AC02-05CH11231. | ||
650 | 7 | |a Thickness. |2 local. | |
650 | 7 | |a Sensitivity. |2 local. | |
650 | 7 | |a Magnetoresistance. |2 local. | |
650 | 7 | |a Temperature Dependence. |2 local. | |
650 | 7 | |a Tunneling. |2 local. | |
650 | 7 | |a Oxides. |2 local. | |
650 | 7 | |a Magnetic Circular Dichroism. |2 local. | |
650 | 7 | |a Thin Films. |2 local. | |
650 | 7 | |a Aluminium. |2 local. | |
710 | 2 | |a Lawrence Berkeley National Laboratory. |4 res. | |
710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
856 | 4 | 0 | |u http://www.osti.gov/servlets/purl/928964-UQtpG2/ |z Online Access |
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952 | f | f | |p Can circulate |a University of Colorado Boulder |b Online |c Online |d Online |e E 1.99:lbnl-257e |h Superintendent of Documents classification |i web |n 1 |