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A long-sought regime of electronic behaviour

Upon decreasing the electron density in a two-dimensional electronic system to a critical value, a transition should occur from a quantum to a classical regime. An oxide now shows electrical properties marking such a transition.

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Fig. 1: The particle density of an electron crystal.


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Correspondence to Raymond Ashoori.

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Ashoori, R. A long-sought regime of electronic behaviour. Nat. Mater. 21, 268–269 (2022).

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