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Physicists Discover Perfect Box For Storing Electricity

机译:物理学家发现完美的储电箱

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In April an international team of scientists introduced a new fundamental state of matter: superinsulating. Just as a superconducting material allows a current to pass through it without any resistance, a superinsulating material can hold a charge infinitely long without leakage. Valerii Vinokur, a physicist at Argonne National Laboratory in Illinois, co-led the team that made the superinsulator out of a film of titanium nitride, an extremely hard ceramic material. At low temperature titanium nitride can have two very different sets of traits-either a superconductor or an insulator-depending on the thickness of the film. When the material is just thin enough, it switches from superconducting to insulating. But cooling the film more revealed a third state: a superinsulator. "The observation came as a complete surprise," Vinokur says.
机译:4月,一个国际科学家团队提出了一种新的基本物质状态:超绝缘。就像超导材料允许电流通过而没有任何电阻一样,超绝缘材料可以无限长地保持电荷而不会泄漏。伊利诺伊州阿贡国家实验室的物理学家瓦莱里·维努科(Valerii Vinokur)共同领导了一个团队,该团队用一种非常坚硬的陶瓷材料氮化钛制成了超级绝缘体。在低温下,氮化钛可能具有两组非常不同的特性-超导体或绝缘体-取决于薄膜的厚度。当材料足够薄时,它会从超导转换为绝缘。但是冷却胶片更能揭示出第三种状态:超级绝缘体。 Vinokur说:“这一发现真是令人惊讶。”

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