News Column

Researchers at Japan Advanced Institute of Science and Technology Release New Data on Carbon Research

May 16, 2014



By a News Reporter-Staff News Editor at Science Letter -- A new study on Carbon Research is now available. According to news originating from Ishikawa, Japan, by NewsRx correspondents, research stated, "We performed spatial Raman mapping on supported monolayer graphene carved by 30 keV He+ beam. A tilted beam was introduced to effectively eliminate the substrate swelling."

Our news journalists obtained a quote from the research from the Japan Advanced Institute of Science and Technology, "The ratio between D and G peak intensities shows that Stage 1 and Stage 2 disorder are introduced over a wider range on both sides of the 35 nm etched line. The mean defect distance L-D was estimated in these regions using the local activation model. Vacancies and amorphisations are dominant types of defects as suggested by the ratio of D and D' peak intensities."

According to the news editors, the research concluded: "Monte Carlo simulation on stopping range of ions was accomplished to explain the asymmetric defect formation in graphene."

For more information on this research see: Raman study of damage extent in graphene nanostructures carved by high energy helium ion beam. Carbon, 2014;72():233-241. Carbon can be contacted at: Pergamon-Elsevier Science Ltd, The Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, England. (Elsevier - www.elsevier.com; Carbon - www.elsevier.com/wps/product/cws_home/258)

The news correspondents report that additional information may be obtained from S.J. Hang, Japan Adv Inst Sci & Technol, Nomi, Ishikawa 9231292, Japan. Additional authors for this research include Z. Moktadir and H. Mizuta (see also Carbon Research).

Keywords for this news article include: Asia, Japan, Helium, Ishikawa, Carbon Research

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


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Source: Science Letter


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