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Fig. 18 Logical NAND,
AND, NOT and COPY
operations, a Schematic to
show the device with the
direction of current flowing
from B to A through the
metallic gate. The red arrow
represents the current
direction and the blue lines
represent the direction of
current induced Oersted
field. b MFM images of the
initial and final
configurations of the
structure for four different
combinations of the
magnetisation directions of
chirality selector (y) and the
nanowire (x)