Full text loading...
(a) Longitudinal MOKE configuration with magnetization and - and -polarized electric field components and , respectively. (b) Reflected electric field vectors and for opposite magnetization directions with longitudinal and -polarized incident light. (c) Transverse MOKE geometry. and for transverse MOKE with (d) -polarized incident light and (e) mixed - and -polarized incident light.
Experimental (data points) and calculated (lines) transverse MOKE signals from a thick film as a function of incident polarization angle ( for polarization) with various indicated analyzer angles [● 0° (transmission axis parallel to polarization); ◼ 10°; ◆ 20°; ▴ 30°; ▾ 40°; ○ 50°; ◻ 60°; ◇ 70°; ▵ 80°; ▿ 90°].
Calculated properties of linearly polarized light reflected from thick for opposite transverse magnetizations as a function of incident polarization angle ( for polarized). (a) Fractional intensity change , (b) average reflected polarization rotation from incident polarization, (c) difference in reflected polarization rotation for opposite transverse magnetization orientations, (d) average reflected ellipticity , and (e) ellipticity difference for opposite transverse magnetization orientations.
Fractional transverse MOKE signal from a thick film as a function of analyzer angle using an incident polarization angle and a quarter-wave retardation plate for the polarization analysis. The inset shows a MOKE hysteresis loop with for averaged from . S/N remains greater than 500 up to .
(a) Atomic force micrograph of thick dots on Si(001). (b) Fractional Kerr signal as a function of analyzer angle from extinction obtained from a array of dots without a quarter-wave retardation plate for transverse and longitudinal magnetizations and different incident polarizations . (c) Micrograph of a thick nanowire and pad on Si(001). (d) Transverse from the nanowire as a function of using a quarter-wave retardation plate for different . (e) Hysteresis loop obtained from the nanowire at and averaged from .
Article metrics loading...