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In page Lin Lanying:

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Despite the tragedy, she worked at age 60 after the Cultural Revolution. She found that the dislocation density of existing gallium arsenide was large due to gravity and not good enough to use, so she decided to make the experiment in artificial satellites. This was a dangerous experiment because the melting point of gallium arsenide is 1,238 Celsius degrees. However, she finished successfully and became the world's first to do so. Because of this work in gallium arsenide, the Chinese government named a gallium arsenide company (Chinese: 中科稼英[2]) after her in 2001.[citation needed]