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日本成功地制成比过去高40℃、临界温度(170K)创世界记录的超导体。它是通过用钙和锶的原子、氧化铜分子,一层一层地重叠成结晶构造(无限层构造)而制成的。物质的厚度只有0.03微米,像半导体元件上薄膜一样的薄。制造时用激光照射物质,从表面上逸出的原子和分子便依次堆积在基板上,这就是激光MBE法。这种方法的特点是能够自由地制成所要成分的物质,并精确控制氧原子的位置和数量,因而实现了世界上最高临界温度。
Japan successfully made the superconductor recorded by the world at a critical temperature (170K) 40 ℃ higher than in the past. It is through the use of calcium and strontium atoms, copper oxide molecules, stacked layer by layer into a crystalline structure (infinite layer structure) and made. The thickness of the material is only 0.03 microns, thin as a thin film on a semiconductor device. During manufacture, the laser irradiates the substance and the atoms and molecules escaping from the surface are sequentially deposited on the substrate. This is the laser MBE method. This method is characterized by the ability to freely make the substance of the desired composition and precisely control the position and amount of oxygen atoms, thus achieving the highest critical temperature in the world.