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本帖最后由 细胞海洋 于 2012-5-28 08:32 编辑 * V6 b4 L) a/ e) a5 y
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COVER Artist's rendering of an electronic device hosting Majorana " ?/ d7 ?* V! X6 y& t8 i* T0 K
fermions. The semiconducting nanowire (cylindrical structure) has a diameter of 4 Z o) {9 Z; ? o: A* U
100 nanometers and lies atop a gate structure consisting of many metallic ; B8 o0 h7 O) A
stripes. The nanowire is contacted at the top with a gold electrode and at the
" X9 \; N7 B& [2 K, M4 ~bottom with a superconducting electrode (shown in blue). See page 1003.
8 H- k3 J* S; I6 w2 O) wImage: V. Mourik, K. Zuo, S. M. Frolov, S. R. Plissard, E. P. A. M. Bakkers, L. ' C' g' r% r( b$ V( c; n0 d
P. Kouwenhoven, with assistance from www.avalondesigns.nl. [View 6 r+ D3 H; F/ c- Z
this image side-by-side with a scanning electron microscope (SEM) image of the $ ?1 x! p0 S% |( x) f
same perspective.]5 Z7 j3 U& F9 o* T; ]
, {9 L2 A j) ~( J [# ~- Y
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发表于 2012-5-25 23:18
发表于 2012-5-25 23:36
