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- W3008752230 abstract "采用磁控溅射法制备了不同Cu含量的Cu-Ge3Sb2Te5薄膜, 原位测试了薄膜电阻与温度的关系, 并利用X射线衍射仪、透射电镜、透过和拉曼光谱仪分别研究了 Cu-Ge3Sb2Te5薄膜的晶体结构、微结构、禁带宽度及成键情况. 结果表明, Cu-Ge3Sb2Te5薄膜的结晶温度和结晶活化能随着Cu含量的增加而增大, Cu的加入有效改善Ge3Sb2Te5薄膜的热稳定性和10年数据保持力. 随着Cu含量的增加, 非晶态Cu-Ge3Sb2Te5薄膜的禁带宽度逐渐减小. 同时, 拉曼峰从129 cm-1向127 cm-1处移动, 这是由于Cu–Te极性键振动增强的缘故. Cu-Ge3Sb2Te5结晶为均匀、相互嵌套的六方Cu2Te和Ge2Sb2Te5相." @default.
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- W3008752230 date "2015-01-01" @default.
- W3008752230 modified "2023-10-11" @default.
- W3008752230 title "Structure and phase change in Cu-Ge3Sb2Te5 films for use in phase change random access memory" @default.
- W3008752230 doi "https://doi.org/10.7498/aps.64.016103" @default.
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