Abstract:
用液-固掺杂法制备了氧化钪和氧化钪与铼掺杂钨粉,获得氧化钪部分包敷的钨颗粒和氧化钪与钨均匀混合的亚微米掺杂钨粉。利用这种钨粉研制成含钪扩散阴极的多孔基体。基体中氧化钪的分布均匀性较机械混合显著改善。基体中氧化钪在高温和离子轰击下保持稳定。预期用这种钨基体研制含钪扩散阴极将有利于发射均匀性和抗轰击性能的提高。
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Year: 2004
Language: Chinese
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 8
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