Laser & Optoelectronics Progress, Volume. 56, Issue 2, 023003(2019)
Thermal Variation of “Water” in Pink Opals
Figures & Tables(12)
Fig. 9. Characterization of pink opal during temperature variation. (a) 20 ℃; (b) 230 ℃; (c) 400 ℃; (d) 680 ℃
Fig. 11. Representation of fingerprint spectrum of pink opal in variable temperature
Table 1. Representation and ascription of FTIR of pink opal
View tableTable 1. Representation and ascription of FTIR of pink opal
Spectral peak /cm-1 Ascription 1243(sh) ν as(C—O—C), opal1198(sh) ν as(Si—O—Si), palygorskite1111(s) ν as(Si—O—Si), opal1025(m) ν as(Si—O—Si), palygorskite977(m) ν as(Si—O—Si), palygorskite906(sh) ν as(Si—O—Si), palygorskite790(w) ν s(Si—O—Si), opal779(w) ν s(Si—O—Si), palygorskite517(sh) γ (Si—O—Si), opal478(m) γ (Si—O—Si), opal
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Yingying Xing, Lijian Qi. Thermal Variation of “Water” in Pink Opals[J]. Laser & Optoelectronics Progress, 2019, 56(2): 023003
Paper Information
Category: Spectroscopy
Received: Jul. 19, 2018
Accepted: Aug. 2, 2018
Published Online: Aug. 1, 2019
The Author Email: Xing Yingying (xingyy@gcu.edu.cn), Qi Lijian (qljgic@tongji.edu.cn)
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