金屬銨 - 維基百科，自由的百科全書

金屬銨，又稱氨水合電子，是一種簡併態物質，也是一種電子化合物及超原子。當氫氣與氨氣被充分壓縮，經過相變後便會產生金屬銨。 ...

Metallic hydrogen - Wikipedia, the free encyclopedia

Metallic hydrogen is a phase of hydrogen in which it behaves as an electrical conductor. This phase was predicted theoretically in 1935,[1] but has not been reliably produced in laboratory experiments due to the requirement of high pressures, on the order of hundreds of gigapascals. At these pressur ...