High Pressure Raman Spectrum Study of Na<sub>2</sub>CO<sub>3</sub>

Chao-wen XU; Jing GAO; Ying LI; Fei QIN; Hong LIU; Li YI; Yue-ju CUI; Feng-xia SUN; Lei-ming FANG

doi:10.3964/j.issn.1000-0593(2021)07-2087-05

Spectroscopy and Spectral Analysis, Volume. 41, Issue 7, 2087(2021)

High Pressure Raman Spectrum Study of Na₂CO₃

Chao-wen XU^1、*, Jing GAO^{4、4; *;}, Ying LI^{1、1; *;}, Fei QIN^5、5;, Hong LIU^1、1;, Li YI^1、1;, Yue-ju CUI^1、1;, Feng-xia SUN^1、1;, and Lei-ming FANG^6、6;

Author Affiliations

¹1. Institute of Earthquake Forecasting, China Earthquake Administration (CEA), Beijing 100036, China

⁴4. State Key Laboratory of Lithospheric Evolution, and Institutions of Earth Science, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China

⁵5. School of Earth Sciences, University of Bristol, Bristol BS81RJ, United Kingdom

⁶6. Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang 621999, China

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Figures & Tables(4)

Fig. 1. Sketch of diamond anvil cell combined with Raman scattering

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Fig. 2. In-situ Raman spectra of Na₂CO₃ at different pressure

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Fig. 3. Pressure dependence of all vibrational models of Na₂CO₃

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Table 1. Raman spectra of Na₂CO₃ at room temperature under different pressure

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Table 1. Raman spectra of Na₂CO₃ at room temperature under different pressure

压力/GPa	γ₁/cm^-1		γ₃/cm^-1		γ₄/cm^-1
0.001	1 088.06	1 070.76	865.1	797.5	720.1	696.7
3.44	1 089.01	1 071.50	866.9	798.32	721.73	697.07
4.24	1 094.78	1 077.86	869.28	803.98	726.28	701.93
5.21	1 100.27	1 083.23	872.44	808.67	732.95	704.92
6.24	1 102.50	1 085.48	876.11	812.9	736.57	707.87
7.63	1 107.14	1 090.21	878.63	818.87	742.32	712.26
9.36	1 112.77	1 095.36	881.75	823.26	747.01	718.87
10.17	1 117.27	1 100.33	883.52	828.13	752.17	719.72
11.88	1 121.32	1 104.61		831.79	756.53	723.27		加压
13.40	1 124.32	1 107.98		834.97	760.88	727.38	690.08
15.47	1 128.64	1 111.33		839.58	765.69	733.06	695.58
16.06	1 132.57	1 116.67		840.05	771.25	735.59	699.96
17.34	1 135.38	1 120.33		842.66	775.93	737.13	697.38
18.14	1 138.20	1 123.10		843.3	776.82	739.55	699.31
19.22	1 140.79	1 125.48		844.48	778.81	741.6	697.38
20.36	1 143.96	1 126.52			776.49	739.87	699.36
21.54	1 144.96	1 126.89			774.70	738.92	702.31
22.80	1 147.79	1 127.73			772.45	737.66	703.47
23.55	1 152.41	1 132.28
25.19	1 154.86	1 133.31
26.46	1 158.76	1 138.59
27.53	1 160.36	1 141.35
4.18	1 091.31	1 075.92	868.92	803.37	729.40	703.70		卸压

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Chao-wen XU, Jing GAO, Ying LI, Fei QIN, Hong LIU, Li YI, Yue-ju CUI, Feng-xia SUN, Lei-ming FANG. High Pressure Raman Spectrum Study of Na₂CO₃[J]. Spectroscopy and Spectral Analysis, 2021, 41(7): 2087

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