Research interest in graphene, a two-dimensional crystal consisting of a single atomic plane of carbon atoms, has been driven by its extraordinary properties, including charge carriers that mimic ultra-relativistic elementary particles. Moreover, graphene exhibits ballistic electron transport on the submicrometre scale, even at room temperature, which has allowed the demonstration of graphene-based field-effect transistors and the observation of a room-temperature quantum Hall effect. Here we confirm the presence of free-standing, single-layer graphene with directly interpretable atomic-resolution imaging combined with the spatially resolved study of both the pi -> pi* transition and the pi + sigma plasmon. We also present atomic-scale observations of the morphology of free-standing graphene and explore the role of microstructural peculiarities that affect the stability of the sheets. We also follow the evolution and interaction of point defects and suggest a mechanism by which they form ring defects.
机构:
Univ Manchester, Manchester Ctr Mesosci & Nanotechnol, Manchester M13 9PL, Lancs, EnglandUniv Manchester, Manchester Ctr Mesosci & Nanotechnol, Manchester M13 9PL, Lancs, England
Geim, A. K.
;
Novoselov, K. S.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Manchester, Manchester Ctr Mesosci & Nanotechnol, Manchester M13 9PL, Lancs, EnglandUniv Manchester, Manchester Ctr Mesosci & Nanotechnol, Manchester M13 9PL, Lancs, England
机构:
Univ Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, EnglandUniv Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, England
Li, Z. Y.
;
Young, N. P.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, EnglandUniv Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, England
Young, N. P.
;
Di Vece, M.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, EnglandUniv Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, England
Di Vece, M.
;
Palomba, S.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, EnglandUniv Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, England
Palomba, S.
;
Palmer, R. E.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, EnglandUniv Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, England
Palmer, R. E.
;
Bleloch, A. L.
论文数: 0引用数: 0
h-index: 0
机构:
SERC, Daresbury Lab, UK SuperSTEM Lab, Daresbury WA4 4AD, EnglandUniv Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, England
Bleloch, A. L.
;
Curley, B. C.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Birmingham, Sch Chem, Birmingham B15 2TT, W Midlands, EnglandUniv Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, England
Curley, B. C.
;
Johnston, R. L.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Birmingham, Sch Chem, Birmingham B15 2TT, W Midlands, EnglandUniv Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, England
Johnston, R. L.
;
Jiang, J.
论文数: 0引用数: 0
h-index: 0
机构:
Tsinghua Univ, Beijing Electron Microscopy Ctr, Beijing 100084, Peoples R China
Tsinghua Univ, Adv Mat Lab, Beijing 100084, Peoples R China
Tsinghua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R ChinaUniv Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, England
Jiang, J.
;
Yuan, J.
论文数: 0引用数: 0
h-index: 0
机构:
Tsinghua Univ, Beijing Electron Microscopy Ctr, Beijing 100084, Peoples R China
Tsinghua Univ, Adv Mat Lab, Beijing 100084, Peoples R China
Tsinghua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R ChinaUniv Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, England
机构:
Univ Manchester, Manchester Ctr Mesosci & Nanotechnol, Manchester M13 9PL, Lancs, EnglandUniv Manchester, Manchester Ctr Mesosci & Nanotechnol, Manchester M13 9PL, Lancs, England
Geim, A. K.
;
Novoselov, K. S.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Manchester, Manchester Ctr Mesosci & Nanotechnol, Manchester M13 9PL, Lancs, EnglandUniv Manchester, Manchester Ctr Mesosci & Nanotechnol, Manchester M13 9PL, Lancs, England
机构:
Univ Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, EnglandUniv Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, England
Li, Z. Y.
;
Young, N. P.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, EnglandUniv Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, England
Young, N. P.
;
Di Vece, M.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, EnglandUniv Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, England
Di Vece, M.
;
Palomba, S.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, EnglandUniv Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, England
Palomba, S.
;
Palmer, R. E.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, EnglandUniv Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, England
Palmer, R. E.
;
Bleloch, A. L.
论文数: 0引用数: 0
h-index: 0
机构:
SERC, Daresbury Lab, UK SuperSTEM Lab, Daresbury WA4 4AD, EnglandUniv Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, England
Bleloch, A. L.
;
Curley, B. C.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Birmingham, Sch Chem, Birmingham B15 2TT, W Midlands, EnglandUniv Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, England
Curley, B. C.
;
Johnston, R. L.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Birmingham, Sch Chem, Birmingham B15 2TT, W Midlands, EnglandUniv Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, England
Johnston, R. L.
;
Jiang, J.
论文数: 0引用数: 0
h-index: 0
机构:
Tsinghua Univ, Beijing Electron Microscopy Ctr, Beijing 100084, Peoples R China
Tsinghua Univ, Adv Mat Lab, Beijing 100084, Peoples R China
Tsinghua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R ChinaUniv Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, England
Jiang, J.
;
Yuan, J.
论文数: 0引用数: 0
h-index: 0
机构:
Tsinghua Univ, Beijing Electron Microscopy Ctr, Beijing 100084, Peoples R China
Tsinghua Univ, Adv Mat Lab, Beijing 100084, Peoples R China
Tsinghua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R ChinaUniv Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, England