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China develops steady-state magnetic field

Beijing: Chinese scientists claim to have successfully created a world-class steady-state magnetic field whose intensity reaches 40 tesla, second only to that of the US’ magnetic device which can generate a 45 tesla field.

After eight years of research, the Chinese Academy of Sciences’ Hefei institute of physical science has built the hybrid magnet composed of 30-tesla magnet nested in a 10-tesla superconducting magnet, state-run Xinhua news agency reported.

Developed by the institute’s magnet science and technology centre in Hefei, capital of east China’s Anhui Province, the device generated a 400,000 gauss or 40-tesla steady-state magnetic field yesterday.

It is a significant milestone for China’s high field magnet technology, said the institute.

Currently, a US steady-state magnetic device can generate a 45 tesla field, the world’s strongest.

The International System of Units (SI) uses the tesla as the unit of magnetic flux density.