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The world's first synthesized quantum metal was obtained by scientists from Primorye and Japan - EastRussia | Far East

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The world's first synthesized quantum metal was obtained by scientists from Primorye and Japan

Scientists of the Far Eastern Federal University (FEFU), together with colleagues from the Far Eastern Branch of the Russian Academy of Sciences (FEB RAS) and the Japanese University of Tokyo, synthesized the world's first quantum metal, the FEFU press service reported on Tuesday. A new material is a double layer of thallium atoms on a monocrystalline silicon substrate. At temperatures below minus 272 degrees Celsius, it becomes superconducting.

“Experiments have shown that in addition to the transition to an insulating or superconducting state, a two-dimensional electron system (two-dimensional metal) can remain a normal metal. This unusual condition has been called a quantum metal or Bose metal. We managed to synthesize such material and study its electronic properties, ”said the press service of the research participant, head of the physics department of low-dimensional structures of the FEFU School of Natural Sciences, corresponding member of the Russian Academy of Sciences Alexander Saranin.

According to him, it has been reported that up to this point more than 30 years there was a scientific discussion about whether the two-dimensional metal will retain the wire properties when approaching absolute temperature zero. As noted, observation of such an unusual state of matter is of interest for solving the fundamental problem of fundamental science - the possibility of the existence of a normal metallic state in two dimensions.