Phys. Rev. Lett. 60, 2765–2768 (1988)Observation of a Magnetically Induced Wigner SolidSee Also: Erratum Received 12 April 1988; published in the issue dated 27 June 1988 The existence of the magnetic-field-induced liquid-to-solid phase transition in an extreme quantum-limit 2D electron plasma is established for electrons at a high-quality GaAs/GaAlAs heterojunction by detection of a gapless magnetophonon excitation branch with radio-frequency spectroscopy. The phase diagram, determined for Wigner-Seitz to Bohr radius ratio 1.6<rs<2.5, extrapolates to a zero-temperature critical Landau-level filling factor νc=0.23±0.04 and a zero-filling-factor melting temperature close to the classical (rs→∞) limit. © 1988 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.60.2765
DOI:
10.1103/PhysRevLett.60.2765
PACS:
73.40.Kp, 64.70.-p, 73.20.Mf
See AlsoComment: H. L. Stormer and R. L. Willett, Comment on "Observation of a Magnetically Induced Wigner Solid", Phys. Rev. Lett. 62, 972 (1989). Erratum: E. Y. Andrei, G. Deville, D. C. Glattli, F. I. Williams, E. Paris, and B. Etienne, Erratum: Andre et al reply [Phys. Rev. Lett. 62, 973 (1989)], Phys. Rev. Lett. 62, 1926 (1989). Reply: E. Y. Andrei, G. Deville, D. C. Glattli, F. I. Williams, E. Paris, and B. Etienne, Andrei et al. Reply, Phys. Rev. Lett. 62, 973 (1989). |
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