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Characterizing amorphous silicates in extraterrestrial materials: Polymerization effects on Raman and mid-IR spectral features of alkali and alkali earth silicate glasses
Fu, Xiaohui1,2; Wang, Alian3,4; Krawczynski, Michael J.3,4
2017-05-01
发表期刊JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS
卷号122期号:5页码:839-855
摘要Amorphous silicates are common in extraterrestrial materials, especially in carbonaceous chondrites of petrologic types 1 and 2. In addition, high percentage of amorphous components and poorly crystalline phyllosilicates were found in the mudstones at Gale Crater by the CheMin instruments on board of Mar Curiosity rover, which illustrates the importance of characterizing amorphous silicates in future planetary surface explorations. The structure of an amorphous silicate can vary in two aspects: the degree of polymerization and the degree of crystallinity. Here we present the first phase study on characterizing synthetic alkali and alkali earth silicate glasses with different degrees of polymerization by using vibration spectroscopy. Compared with crystalline silicates, their Raman and mid-IR spectra show broad spectral peaks but have the similar peak positions. We find that a change in the degree of polymerization of these silicate glasses affects their Raman band positions, especially the ratio of Raman band intensities, as well as the positions of the Christiansen feature and reststrahlen bands in their mid-IR absorbance spectra. Based on these observations, we establish a calibration curve that could enable semiquantification of the polymerization degree of silicate glasses in planetary surface/subsurface materials during future robotic planetary surface exploration missions.
文章类型Article
关键词Silicate Glass Degree Of Polymerization Raman Spectroscopy Planets Meteorites
WOS标题词Science & Technology ; Physical Sciences
资助者National Natural Science Foundation of China(41303051 ; National Natural Science Foundation of China(41303051 ; McDonnell Center for Space Sciences at Washington University in St. Louis ; McDonnell Center for Space Sciences at Washington University in St. Louis ; 41490633 ; 41490633 ; 41590851) ; 41590851) ; National Natural Science Foundation of China(41303051 ; National Natural Science Foundation of China(41303051 ; McDonnell Center for Space Sciences at Washington University in St. Louis ; McDonnell Center for Space Sciences at Washington University in St. Louis ; 41490633 ; 41490633 ; 41590851) ; 41590851)
DOI10.1002/2016JE005241
关键词[WOS]HIGH-TEMPERATURE ; ALUMINOSILICATE GLASSES ; MARTIAN METEORITE ; TAGISH LAKE ; IN-SITU ; CARBONACEOUS CHONDRITE ; VIBRATIONAL-SPECTRA ; GERMANATE GLASSES ; STRUCTURAL UNITS ; VOLCANIC GLASSES
收录类别SCI
语种英语
资助者National Natural Science Foundation of China(41303051 ; National Natural Science Foundation of China(41303051 ; McDonnell Center for Space Sciences at Washington University in St. Louis ; McDonnell Center for Space Sciences at Washington University in St. Louis ; 41490633 ; 41490633 ; 41590851) ; 41590851) ; National Natural Science Foundation of China(41303051 ; National Natural Science Foundation of China(41303051 ; McDonnell Center for Space Sciences at Washington University in St. Louis ; McDonnell Center for Space Sciences at Washington University in St. Louis ; 41490633 ; 41490633 ; 41590851) ; 41590851)
WOS研究方向Geochemistry & Geophysics
WOS类目Geochemistry & Geophysics
WOS记录号WOS:000403491300003
引用统计
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8832
专题月球与深空探测研究部
作者单位1.Chinese Acad Sci, Key Lab Lunar & Deep Space Explorat, Natl Astron Observ, Beijing, Peoples R China
2.Shandong Univ, Inst Space Sci, Shandong Prov Key Lab Opt Astron & Solar Terr Env, Weihai, Peoples R China
3.Washington Univ, Dept Earth & Planetary Sci, St Louis, MO 63130 USA
4.Washington Univ, McDonnell Ctr Space Sci, St Louis, MO 63130 USA
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Fu, Xiaohui,Wang, Alian,Krawczynski, Michael J.. Characterizing amorphous silicates in extraterrestrial materials: Polymerization effects on Raman and mid-IR spectral features of alkali and alkali earth silicate glasses[J]. JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS,2017,122(5):839-855.
APA Fu, Xiaohui,Wang, Alian,&Krawczynski, Michael J..(2017).Characterizing amorphous silicates in extraterrestrial materials: Polymerization effects on Raman and mid-IR spectral features of alkali and alkali earth silicate glasses.JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS,122(5),839-855.
MLA Fu, Xiaohui,et al."Characterizing amorphous silicates in extraterrestrial materials: Polymerization effects on Raman and mid-IR spectral features of alkali and alkali earth silicate glasses".JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS 122.5(2017):839-855.
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