Reprinted from the April 2000 edition of the Mössbauer Spectroscopy Newsletter, published as part of Volume 23, Issue 4 of the Mössbauer Effect Reference and Data Journal
Mössbauer Spectroscopy in China
Mössbauer spectroscopy research in China first began in the early 1960’s. Almost twenty years later the Chinese Mössbauer community established a branch of the Chinese Nuclear Physics Society in 1980. The first Chinese National Conference on Mössbauer Spectroscopy was held at Nanjing University in 1981. Since that time there have been conferences held every 3-4 years. The second national conference was at Zhongshan University, Guangzhou, in 1983; the third at Suzhou University in 1986; and were followed by Lanzhou (1988), Nanjing (1991), Wuhan (1994), and Shanghai (1997).
The 8th Chinese National Conference on Mössbauer Spectroscopy will be held at Chinese University of Science and Technology, Hefei, May 24-26, 2000. There are currently over 20 Mössbauer research groups spread throughout China. Chinese researchers have been major contributors of publications on Mössbauer spectroscopy research to the international Mössbauer community, ranking sixth in the 1990’s.
The national board for the Chinese Mössbauer community consists of 17 elected members representing various groups actively participating in Mössbauer research, and is headed by Professor Yuanfu Hsia.
The board, in addition to selecting national conference sites, takes on other responsibilities such as recommendations of foreign products, developing the national standard on nomenclature, and promoting the linkages with the International Board on the Applicatons of the Mössbauer Effect (IBAME) and the Mössbauer Effect Data Center (MEDC).
The Mössbauer sources and spectrometers that are used in China are manufactured both in China and abroad. The advanced detecting techniques, cryostats, and helium liquifiers are popular in many of the principal laboratories.
57Fe and 119Sn spectra are mainly used, both in transmission and scattering geometries, as well as some use of 151Eu, 121Sb, and 129I. In-beam Mössbauer setup was established at HIRAC accelerator in Lanzhou.
The nuclear-scattering facility has also been planned at the Shanghai Synchrotron Radiation Light Source.
Some key problems such as the inductor for producing brilliant and quasi-monochromatic X-beam with energy of 14.4 keV are being studied under the financial support of the National Natural Science Foundation. Most publications are concerned in the various applications of the effect.
In China, new applications are still being found from time to time. The "hot" focus points are in the iron and steel industry, catalyst, corrosion, new materials, and biological medicine. More and more Mössbauer publications are in English and appear in the international journals. There is more international collaborations on the increase. It would appear that Mössbauer spectroscopy will remain a favorable tool utilized in Chinese science and technology research and will continue to play an important role in the future.
(Article contribution by Prof. Yuanfu Hsia and Mr. Hongbo Huang; pictures from MEDC files)
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