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The Altshuler-Aronov-Spivak (AAS) oscillations and the Aharonov-Bohm (AB) type oscillations both at low and high magnetic fields were observed in hexagonal antidot lattices fabricated from GaAs/AlGaAs two-dimensional electron gas sample. The periodicities in magnetic field and in gate bias voltage, of the high-field AB oscillation furnish information on the edge states localized around the antidots. The temperature dependences of these quantum oscillations are studied.

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