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Magnetic circular dichroism of ferromagnetic -doped ZnO
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10.1063/1.2221871
/content/aip/journal/apl/89/6/10.1063/1.2221871
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/6/10.1063/1.2221871
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Spectroscopic data for a 4.2% polycrystalline film before (dotted) and after (solid) exposure to Zn vapor at for in vacuum. (a) absorption. (b) Magnified absorption and MCD spectra in the ligand-field region prior to Zn exposure. (c) 300 and , MCD spectra. (d) EPR spectra at (before exposure) and between 160 and (after Zn exposure).

Image of FIG. 2.
FIG. 2.

(a) 300 and (b) magnetic hysteresis loops measured for the film from Fig. 1. SQUID magnetization data (open circles) are superimposed on the MCD data (solid line). 300 and MCD coercivities were 71 and , respectively.

Image of FIG. 3.
FIG. 3.

Dependence of the deconvoluted ferromagnetic (closed diamonds) and paramagnetic (open circles) MCD intensities of a film on Zn vapor anneal temperature, . MCD intensities were measured at and . The dashed line shows the vapor pressure of Zn metal in the same temperature range.

Image of FIG. 4.
FIG. 4.

(Color online) Schematic illustration of the spin-dependent density of states of (a) paramagnetic and (b) ferromagnetic . Scheme format adapted from Ref. 20.

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/content/aip/journal/apl/89/6/10.1063/1.2221871
2006-08-11
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Magnetic circular dichroism of ferromagnetic Co2+-doped ZnO
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/6/10.1063/1.2221871
10.1063/1.2221871
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