Full text loading...
(Color online) XRD patterns of the resultants from annealing nanostructures in sealed quartz tubes with an appropriate amount of Nb powder at various temperatures. The indexed peaks are for the phase, while the asterisks mark the remaining phase.
SEM micrographs of the converted nanostructures through Se-reduction of nanostructures at 600 °C for 10 h. The high magnification image given in the inset shows the varieties in size and in shape of the nanostructures.
SAED pattern (a) and TEM image (b) of a nanoribbon. Insets of (b) show the CBED patterns and Kikuchi lines at locations denoted with letters a and b. The two sets of hexagonal diffraction patterns and Kikuchi lines observed at location a reveal the misorientation along the thickness direction.
(Color online) (a) Temperature dependence of the resistance of a 800 nm wide nanowire in various magnetic fields. The inset shows the two-probe construction of the resistance measurement. Two gold pads (brighter areas) are separated by a gap (darker area). (b) Resistance, , as a function of applied current, , at various temperatures. The arrows indicate the current sweep directions.
Article metrics loading...