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Quantum Hall ferromagnet in magnetically-doped quantum wells

✍ Scribed by J. Jaroszyński; T. Andrearczyk; J. Wróbel; G. Karczewski; T. Wojtowicz; E. Papis; E. Kamińska; A. Piotrowska; Dragana Popović; T. Dietl

Book ID
118492511
Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
532 KB
Volume
22
Category
Article
ISSN
1386-9477

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Time-dependent capacitance measurements reveal an unstable phase of electrons in gallium arsenide quantum well that occurs when two Landau levels with opposite-spin are brought close to degeneracy by applying a gate voltage. This phase emerges below a critical temperature and displays a peculiar non