The effect of low temperature on the Raman spectra of calcium-rich sulfates on Mars
Raman spectra (532 nm diode laser) of gypsum, syngenite and görgeyite powders were studied from 273 to 83 K every −10 K. Although it was found that not all the Raman peaks are temperature-sensitive, the effect of temperature on the Raman signal of some bands was modelled. It was observed that the ma...
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ftdoajarticles:oai:doaj.org/article:3ecf7a5b4b8d42e790c441738151bc6b 2023-06-11T04:03:54+02:00 The effect of low temperature on the Raman spectra of calcium-rich sulfates on Mars Jennifer Huidobro Julene Aramendia Gorka Arana Elisabeth M. Hausrath Juan Manuel Madariaga https://doi.org/10.1017/aog.2023.29 https://doaj.org/article/3ecf7a5b4b8d42e790c441738151bc6b EN eng Cambridge University Press https://www.cambridge.org/core/product/identifier/S0260305523000290/type/journal_article https://doaj.org/toc/0260-3055 https://doaj.org/toc/1727-5644 doi:10.1017/aog.2023.29 0260-3055 1727-5644 https://doaj.org/article/3ecf7a5b4b8d42e790c441738151bc6b Annals of Glaciology, Pp 1-6 Applied glaciology frozen ground ice temperature remote sensing Meteorology. Climatology QC851-999 article ftdoajarticles https://doi.org/10.1017/aog.2023.29 2023-05-07T00:33:53Z Raman spectra (532 nm diode laser) of gypsum, syngenite and görgeyite powders were studied from 273 to 83 K every −10 K. Although it was found that not all the Raman peaks are temperature-sensitive, the effect of temperature on the Raman signal of some bands was modelled. It was observed that the main bands of the three sulfates shift toward higher wavenumbers as temperature decreases. The strengthening of the bonds causes an increase in energy and, consequently, higher wavenumbers. However, –OH bands shift depending on the crystal structure they acquire as the temperature decreases, so not all –OH bands behave in the same way. Finally, the gypsum –OH bands change to more ordered crystalline structures with decreasing temperature, so their bandwidths become narrower and sharper. Article in Journal/Newspaper Annals of Glaciology Directory of Open Access Journals: DOAJ Articles Annals of Glaciology 1 6 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Applied glaciology frozen ground ice temperature remote sensing Meteorology. Climatology QC851-999 |
spellingShingle |
Applied glaciology frozen ground ice temperature remote sensing Meteorology. Climatology QC851-999 Jennifer Huidobro Julene Aramendia Gorka Arana Elisabeth M. Hausrath Juan Manuel Madariaga The effect of low temperature on the Raman spectra of calcium-rich sulfates on Mars |
topic_facet |
Applied glaciology frozen ground ice temperature remote sensing Meteorology. Climatology QC851-999 |
description |
Raman spectra (532 nm diode laser) of gypsum, syngenite and görgeyite powders were studied from 273 to 83 K every −10 K. Although it was found that not all the Raman peaks are temperature-sensitive, the effect of temperature on the Raman signal of some bands was modelled. It was observed that the main bands of the three sulfates shift toward higher wavenumbers as temperature decreases. The strengthening of the bonds causes an increase in energy and, consequently, higher wavenumbers. However, –OH bands shift depending on the crystal structure they acquire as the temperature decreases, so not all –OH bands behave in the same way. Finally, the gypsum –OH bands change to more ordered crystalline structures with decreasing temperature, so their bandwidths become narrower and sharper. |
format |
Article in Journal/Newspaper |
author |
Jennifer Huidobro Julene Aramendia Gorka Arana Elisabeth M. Hausrath Juan Manuel Madariaga |
author_facet |
Jennifer Huidobro Julene Aramendia Gorka Arana Elisabeth M. Hausrath Juan Manuel Madariaga |
author_sort |
Jennifer Huidobro |
title |
The effect of low temperature on the Raman spectra of calcium-rich sulfates on Mars |
title_short |
The effect of low temperature on the Raman spectra of calcium-rich sulfates on Mars |
title_full |
The effect of low temperature on the Raman spectra of calcium-rich sulfates on Mars |
title_fullStr |
The effect of low temperature on the Raman spectra of calcium-rich sulfates on Mars |
title_full_unstemmed |
The effect of low temperature on the Raman spectra of calcium-rich sulfates on Mars |
title_sort |
effect of low temperature on the raman spectra of calcium-rich sulfates on mars |
publisher |
Cambridge University Press |
url |
https://doi.org/10.1017/aog.2023.29 https://doaj.org/article/3ecf7a5b4b8d42e790c441738151bc6b |
genre |
Annals of Glaciology |
genre_facet |
Annals of Glaciology |
op_source |
Annals of Glaciology, Pp 1-6 |
op_relation |
https://www.cambridge.org/core/product/identifier/S0260305523000290/type/journal_article https://doaj.org/toc/0260-3055 https://doaj.org/toc/1727-5644 doi:10.1017/aog.2023.29 0260-3055 1727-5644 https://doaj.org/article/3ecf7a5b4b8d42e790c441738151bc6b |
op_doi |
https://doi.org/10.1017/aog.2023.29 |
container_title |
Annals of Glaciology |
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1 |
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6 |
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1768384364192727040 |