Nanocrystalline Cu with average grain size of 22.8-25.3 nm was prepared by vacuum-warm-compaction method. Scanning elect......

有 22.825.3 nm 的平均谷物尺寸的 Nanocrystalline Cu 被 vacuum-warm-compaction 方法准备。扫描电子显微镜， HMV-2 类型 microha......