Nanotechnology publications and citations by leading countries and blocs
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This article examines the relative positions with respect to nanotechnology research publications of the European Union (EU), the United States (US), Japan, Germany, China, and three Asian Tiger nations (South Korea, Singapore, and Taiwan). The analysis uses a dataset of nanotechnology publication records for the time period 1990 through 2006 (part year) extracted from the Science Citation Index obtained through the Web of Science and was developed through a two-stage modularized Boolean approach. The results show that although the EU and the US have the highest number of nanotechnology publications, China and other Asian countries are increasing their publications rapidly, taking an ever-larger proportion of the total. When viewed in terms of the quality-based measure of citations, Asian nanotechnology researchers also show growth in recent years. However, by such citation measures, the US still maintains a strongly dominant position, followed by the EU.
KeywordsNanotechnology publication Bibliometric analysis Citation analysis Country comparison Nanoscience International perspective
Significant research assistance in database development was provided by Luciano Kay, Pratik Mehta, and Webb Myers. This research was undertaken at Georgia Tech with support by the Center for Nanotechnology in Society (Arizona State University), supported by the National Science Foundation (Award No. 0531194) and by the National Partnership for Managing Upstream Innovation: The Case of Nanoscience and Technology (North Carolina State University; NSF Award No. EEC-0438684). The findings and observations contained in this article are those of the authors and do not necessarily reflect the views of the National Science Foundation.
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