Metal organic chemical vapor deposition of phase change Ge1Sb2Te4 nanowires

Nano Letters
Massimo LongoLaura Lazzarini

Abstract

The self-assembly of Ge(1)Sb(2)Te(4) nanowires (NWs) for phase change memories application was achieved by metal organic chemical vapor deposition, catalyzed by Au nanoislands in a narrow range of temperatures and deposition pressures. In the optimized conditions of 400 °C, 50 mbar, the NWs are Ge(1)Sb(2)Te(4) single hexagonal crystals. Phase change memory switching was reversibly induced by nanosecond current pulses through metal-contacted NWs with threshold voltage of about 1.35 V.

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Citations

Jan 18, 2013·Nano Letters·Chan Su JungJae-Pyoung Ahn
Nov 4, 2015·Nanoscale Research Letters·Ruomeng HuangC H 'Kees' De Groot
Jun 22, 2019·Small·Raimondo CecchiniMassimo Longo
Jan 17, 2013·Nanoscale·Enzo RotunnoVincenzo Grillo

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