IOCAS-IR  > 海洋地质与环境重点实验室
Application of calcite, Mg-calcite, and dolomite as Raman pressure sensors for high-pressure, high-temperature studies
Yuan, Xueyin1; Xiong, Xin1; Zhang, Guoliang2,3; Mayanovic, Robert A.4
2020-05-13
Source PublicationJOURNAL OF RAMAN SPECTROSCOPY
ISSN0377-0486
Pages12
Corresponding AuthorYuan, Xueyin(xueyinyuan@live.com)
AbstractThe Raman spectra of calcite, Mg-calcite, and dolomite were measured under ambient and high pressure-temperature (P-T) conditions using a hydrothermal diamond anvil cell, for the purpose of developing new pressure sensors suited for experiments investigating the physicochemical properties of carbonate minerals. By fitting the Raman vibrational frequencies as functions of pressure and temperature, pressure (P, in MPa) can be determined from relative frequency shifts (in cm(-1)) of the symmetric stretching (nu(1)) and librational (nu(L)) lattice vibrations of calcite: P = 229(1) x (nu(1 calcite, HP) - nu(1 calcite, ref)), P = 162(1) x (nu(L calcite, HP) - nu(L calcite, ref)), or from the translational (nu(T)) and librational (nu(L)) lattice vibrations of dolomite: P = 371(3) x [(nu(L dolomite, HP) - nu(T dolomite, HP)) - (nu(L dolomite, ref) - nu(T dolomite, ref))], where nu(ref) is the value under ambient P-T conditions. Under elevated temperatures, correction for the effect of temperature (T, in degrees C) on the Raman frequency shifts can be accomplished through nu(1 calcite, HT) = nu(1 calcite, ref) - 6.8(5) x 10(-6) x T-2-0.0051(3) x T + 0.12, nu(L calcite, HT) = nu(L calcite, ref) - 1.07(12) x 10(-5) x T-2-0.00341(7) x T + 0.76, nu(L dolomite, HT) - nu(T dolomite, HT) = (nu(L dolomite, ref) - nu(T dolomite, ref)) - 0.0198(3) x T + 0.45. Application of the calcite and dolomite Raman pressure sensors should be made on condition that no phase transitions or breakdown reactions occur under high P-T conditions, with errors of +/- 50 MPa and +/- 5% at pressures below and above 1.0 GPa, respectively. Results from an additional experiment showed that pressures determined using alternate Raman pressure calibration methods were self-consistent and in excellent agreement with the results determined using the nu(1) Raman peak shifts of aragonite.
Keywordcalcite dolomite Mg-calcite pressure calibration Raman pressure sensor
DOI10.1002/jrs.5893
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[91858206] ; National Natural Science Foundation of China[41702039]
WOS Research AreaSpectroscopy
WOS SubjectSpectroscopy
WOS IDWOS:000531911400001
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/167443
Collection海洋地质与环境重点实验室
深海极端环境与生命过程研究中心
Corresponding AuthorYuan, Xueyin
Affiliation1.Chinese Acad Geol Sci, Inst Mineral Resources, MNR Key Lab Metallogeny & Mineral Assessment, Beijing 100037, Peoples R China
2.Chinese Acad Sci, Key Lab Marine Geol & Environm, Qingdao, Peoples R China
3.Chinese Acad Sci, Ctr Deep Sea Res, Inst Oceanol, Qingdao, Peoples R China
4.Missouri State Univ, Dept Phys Astron & Mat Sci, Springfield, MO USA
Recommended Citation
GB/T 7714
Yuan, Xueyin,Xiong, Xin,Zhang, Guoliang,et al. Application of calcite, Mg-calcite, and dolomite as Raman pressure sensors for high-pressure, high-temperature studies[J]. JOURNAL OF RAMAN SPECTROSCOPY,2020:12.
APA Yuan, Xueyin,Xiong, Xin,Zhang, Guoliang,&Mayanovic, Robert A..(2020).Application of calcite, Mg-calcite, and dolomite as Raman pressure sensors for high-pressure, high-temperature studies.JOURNAL OF RAMAN SPECTROSCOPY,12.
MLA Yuan, Xueyin,et al."Application of calcite, Mg-calcite, and dolomite as Raman pressure sensors for high-pressure, high-temperature studies".JOURNAL OF RAMAN SPECTROSCOPY (2020):12.
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