5 `' X2 V3 M) Z2013年11月8日 Science 1 l- f8 V C0 _7 o. ?) @3 D ( c" x# ]* @5 N2 O3 g3 MCOVER Raman mapping images of carbon isotope–labeled graphene + Q; }7 n( C5 R! ^2 O$ R
domains ) ]% G/ c P Q(lateral dimensions: 50 to 120 micrometers) created by exposing a ! r" m4 g9 N T/ e. W
copper surface ; J) g3 ?0 _( d
to normal and isotope-labeled methane at preselected * g; K9 }! T* \9 F s* F9 l" ^
intervals. The data provide % W6 D# l6 V; winformation about the effect of growth : T+ C+ \! B2 I/ f' K P
parameters on the domain shape and size 8 e1 }( K, [9 m; g' q+ `and also contribute to the growth of , Q- H) h0 F4 e1 [centimeter-size single crystals of graphene " O& y: d0 d& a# k+ Ethat could enable applications ; z; H) C7 z* }6 [6 L# B
such as nanoelectronics, photonics, and 7 M d6 o" e- l* e$ }* f" f0 l6 T
ultrastrong materials. See page 720. Image: 9 G7 i! [+ ^7 U
Yufeng Hao 2 r4 a+ i- D6 }6 @ " G8 d: A. _. P7 M% {- D" Y* E * u, p+ } ?7 A Z作者: xiangchou812 时间: 2013-11-11 08:51
