Statistical studies have confirmed that there is a meaningful relationship between the number of nano-articles published in Q1 journals and h-index value of the country’s WoS indexed nano-articles. Nearly half of the world's nano-articles are published in Q1 journals annually, and given the impact factor and high number of citations to these journals, it can be expected that these journals have a high share in the number of references to the articles published in them as well as an improved h-index for the corresponding nano-article publishing countries.
According to the chart, China and the United States rank first and second in both indicators. South Korea, India, and Germany are in the next places in terms of the number of nano-articles published in Q1 journals. However, in terms of h-index, Iran and Saudi Arabia are ranked third and fourth, after China and the United States, while Australia occupies the next spot on the list.
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Source
Nanotechnology publications in Q1 journals
H-index of nanotechnology publications
China
USA
Iran
Saudi Arabia