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本帖最后由 细胞海洋 于 2012-5-28 08:32 编辑 , m7 x" V7 T& E- C& M3 ~; w
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COVER Artist's rendering of an electronic device hosting Majorana
# ]+ f4 z! d% b4 ]9 R5 E$ F+ [fermions. The semiconducting nanowire (cylindrical structure) has a diameter of 6 }7 t$ \7 t0 g3 |; L1 h
100 nanometers and lies atop a gate structure consisting of many metallic
" [+ W; Y; K( Q' Q& |) L! xstripes. The nanowire is contacted at the top with a gold electrode and at the $ O! H9 Q6 T% Q
bottom with a superconducting electrode (shown in blue). See page 1003. - z& n1 n" H8 F; Y% \) k4 v$ P
Image: V. Mourik, K. Zuo, S. M. Frolov, S. R. Plissard, E. P. A. M. Bakkers, L.
. S& u9 a" @9 f. ` k7 VP. Kouwenhoven, with assistance from www.avalondesigns.nl. [View
% s! d/ x0 C; l; a6 h9 L" hthis image side-by-side with a scanning electron microscope (SEM) image of the ; ~+ ^$ u, M6 E7 t
same perspective.]
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发表于 2012-5-25 23:18
发表于 2012-5-25 23:36
