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Anomalous Phase Change in (GeTe)_2/(Sb_2Te_3)_(20) Superlattice Observed by Coherent Phonon Spectroscopy

机译:相干声子光谱法观察的(GeTe)_2 /(Sb_2Te_3) _(20)超晶格的异常相变

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摘要

The temperature-dependent ultrafast coherent phonon dynamics of topological (GeTe)_2/(Sb_2Te_3) super lattice phase change memory material was investigated. By comparing with Ge-Sb-Te alloy, a clear contrast suggesting the unique phase change behavior was found.
机译:研究了拓扑(GeTe)_2 /(Sb_2Te_3)超晶格相变存储材料的温度相关超快相干声子动力学。通过与Ge-Sb-Te合金进行比较,明显的对比表明发现了独特的相变行为。

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