Profile

• Organization

  Northeastern University

  
  
• Website

  https://cos.northeastern.edu/people/sergey-kravchenko/

  
  
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• Biography

  Professor Kravchenko is studying low temperature (millikelvin) properties of low-dimensional electron systems by means of transport, capacitance, thermopower, and magnetization measurements. His primary interest is to understand the nature of the metal-insulator transition in strongly interacting two-dimensional electron systems, discovered by him and his collaborators, and to determine its phase diagram. This discovery was subject of numerous editorial papers in Physics Today, Nature, Science, Science Daily, The Economist, and elsewhere, and was listed on the American Physical Society timeline “A Century of Mesoscopic Physics (1899-1999)” as one of 50 main discoveries of the last century, together with the discovery of the superconductivity, the quantum Hall effect, etc. The experiments include studies of Si metal-oxide-semiconductor field-effect transistors, p-SiGe heterostructures, GaAs/AlGaAs heterostructures, and SiGe/Si/SiGe quantum wells at temperatures down to 20 millikelvin and at magnetic fields up to 10 tesla.