期刊
APPLIED PHYSICS LETTERS
卷 101, 期 16, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4756893
关键词
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资金
- DOE Office of Basic Energy Sciences, Division of Materials Sciences
- Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy [DE-AC02-05CH11231]
- German Research Foundation
- National Science Foundation of the USA (DFG-NSF)
Diamondoids are unique molecular nano-materials with diamond structure and fascinating properties such as negative electron affinity and short electron mean free paths. A thin layer of diamondoids deposited on a cathode is able to act as an electron monochromator, reducing the energy spread of photo-emitted electrons from a surface. This property can be applied effectively to improve the spatial resolution in x-ray photoemission electron microscopy (X-PEEM), which is limited by chromatic aberration of the electron optics. In this paper, we present X-PEEM measurements reaching the technological relevant spatial resolution of 10 nm without the need of expensive and complex corrective optics. Our results provide a simple approach to image surface chemical and magnetic information at nanometer scales by employing diamondoids. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4756893]
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