globalchange  > 气候变化与战略
DOI: 10.1016/j.epsl.2021.116806
论文题名:
Experimental investigation of OH/H2O in H+-irradiated plagioclase: Implications for the thermal stability of water on the lunar surface
作者: Zeng X.; Tang H.; Li X.; Zeng X.; Yu W.; Liu J.; Zou Y.
刊名: Earth and Planetary Science Letters
ISSN: 0012821X
出版年: 2021
卷: 560
语种: 英语
中文关键词: H+ irradiation ; lunar water ; solar wind implantation ; thermal stability
英文关键词: Feldspar ; Fourier transform infrared spectroscopy ; High resolution transmission electron microscopy ; Moon ; Remote sensing ; Secondary ion mass spectrometry ; Stability ; Experimental investigations ; Fluences ; Heating experiment ; Highest temperature ; Lunar surface ; Nano scale ; Type II ; Thermodynamic stability ; experimental study ; hydroxide ; Moon ; plagioclase ; solar wind ; water
英文摘要: Determining the characteristics and thermal stability of solar wind-produced OH/H2O is critical to understanding the formation and migration of water on the lunar surface. In this study, terrestrial plagioclase (An50−53) was used as a lunar analogue and was irradiated with 5 keV H+ at a fluence of ∼1×1017 H+/cm2. The irradiated plagioclase was characterized via Fourier transform infrared spectroscopy, nanoscale secondary ion mass spectrometry, Raman spectroscopy, and transmission electron microscopy. The thermal stability of OH/H2O in the irradiated plagioclase was investigated via heating experiments. Our results reveal (1) a ∼100–200 ppm increase in the water content of the irradiated plagioclase; (2) structural hydrous species formation in the plagioclase through H+ implantation, including Type I H2O (∼2.75 μm) and Type II H2O (∼2.90 μm); and (3) the escape of much of the OH/H2O formed by H+ implantation at a temperature equivalent to the highest temperature on the lunar surface. The results of this study can improve our understanding of OH/H2O thermal stability on the lunar surface and provide a baseline for the interpretation of remote sensing observations. © 2021 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/165741
Appears in Collections:气候变化与战略

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作者单位: Center for Lunar and Planetary Sciences, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550081, China; CAS Center for Excellence in Comparative Planetology, Hefei, China; University of Chinese Academy of Sciences, Beijing, 100049, China; Key Laboratory of Space Manufacturing Technology, Chinese Academy of Sciences, Beijing, 100094, China; National Space Science Center, Chinese Academy of Sciences, Beijing, 100190, China

Recommended Citation:
Zeng X.,Tang H.,Li X.,et al. Experimental investigation of OH/H2O in H+-irradiated plagioclase: Implications for the thermal stability of water on the lunar surface[J]. Earth and Planetary Science Letters,2021-01-01,560
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