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RHEED patterns for bare (001) InAs along (a) the ⟨110⟩ and (b) just before the growth and for -thick along (c) the ⟨110⟩ and (d) the ⟨100⟩ azimuths. All azimuths are refereed to the InAs substrate.
Typical AFM images of -thick . (a) Topography showing a stepped surface with large terraces. (b) Enhanced view of a terrace showing rectangular features attributed to domains with different surface terminations.
Fe high-resolution XPS spectra for -thick grown at under oxygen partial pressures of (a) and (b) . The compositions obtained are indicated in the figure.
(a) Room temperature hysteresis loop obtained with a superconducting quantum interference device magnetometer for -thick with a magnetic field applied along both the parallel and perpendicular directions with respect to the film plane. (b) Enlarged view of the hysteresis loops.
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