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Challenges and methods in fabricating solid lithium-compound targets

delete2026-01-01
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PRE
AI
R
R. Mondal Saha
K
K. Banerjee *
N
N. Gayathri
K
Khan, Saif Ahmad
S
S. Dalal
R
R. Shil
P
P. Pant
S
S.R. Singh
T
T. Bar
K
K. S. Golda
DOI:10.1016/j.nima.2026.171281delete
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摘要

摘要

En 中文
锂作为一种碱金属,极易被氧化,这使得靶材制备尤为困难。为克服这一限制,采用沉淀和气相沉积技术,使用多种锂化合物(碳酸锂Li₂CO₃、氟化锂LiF和一水合氢氧化锂H₃LiO₂)进行靶材制备。通过评估这些化合物基靶材在暴露于大气中的持久性,将其稳定性与金属锂靶材进行比较。对制备的靶材和原始粉末材料进行了形貌和元素分析,以检验制备过程中的结构变化和纯度差异。随后,这些靶材被质子束照射,以研究产生的中子能谱。此外,还进行了蒙特卡罗模拟,以估算穿过不同靶材的质子束的空间和能量分布。结果表明,高密度的锂化合物会导致穿过靶材的质子束能量和空间扩展更大。分析还表明,存在一个约2.2 g/cm³的临界密度,超过该密度后,空间和能量扩展的进一步增加变得微乎其微。
Keyword:
Lithium compound based target
Sedimentation method
Vacuum deposition
Energy spread
XRD
SEM

期刊

N
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
IF:
1.4
论文数:
353
被引数:
0

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Inter-University Accelerator Centre
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634
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Visva Bharati University
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variable energy cyclotron centre
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757
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