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单词 perovskite
释义

perovskite

/pəˈrɒfskʌɪt /
noun [mass noun]
1A yellow, brown, or black mineral consisting largely of calcium titanate.Some of the characteristic minerals found in kimberlite are perovskite, magnetite, and spinel....
  • The catalyst, which was first studied for use in catalytic converters in the early 1970s, includes the mineral perovskite with palladium.
  • Iron, for example, becomes non-magnetic and may tend to migrate from perovskite toward another mineral as the pressure rises.
1.1 [count noun] Any of a group of related minerals and ceramics having the same crystal structure as perovskite.The product is based on mixed-metal oxide chemistry - blending two or more non-PGM metal components (such as perovskites and spinels)....
  • The new films include 10 or so alternating layers of positively charged dusters and negatively charged materials called perovskites.

Origin

Mid 19th century: from the name of L. A. Perovsky (1792–1856), Russian mineralogist, + -ite1.

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更新时间:2025/3/25 19:50:28