b Assistant Librarian, Central Library , Integral University , Lucknow- 226026 Examines the scientific output in the field of 'nanotechnology', the aim being to of fer an overview of research trends in this field and characterize its most important aspects such as growth of literature, authorship pattern, most productive journals, authors, countries, etc. A total of 2675 articles for the period
... [Show full abstract] of 1991-2006 were collected from W eb of Science (W oS), especially via the Science Citation Index. The various analyses focus on the presentation of publications, frequencies and percentages. Authorship pattern and core journals were examined using Lotka' s Law and Bradford' s Law of scattering respectively . The yearly analysis shows that there is a rapid growth of nanotechnolog y research from the beginning of 21 st century . When applying Bradford' s law of scattering with respect to the identification of core journals, three concentric zones were defined with the ratio of 32:149:639, which are partially in accordance with the Bradford' s distribution. W ith respect to the author productivity through the application of Lotka' s law it was observed that the values obtained were widely dif ferent