Intensity of Raman modes as a temperature gauge in fluid hydrogen and deuterium
The Raman spectra of liquid H 2 ( D 2 ) have been collected in diamond anvil cell as a function of temperature at 3 GPa covering the range from 80 to ∼ 1000 K. Temperatures were measured using two independent methods: by thermocouple and from the relative intensity ratio of the present Raman modes....
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| Veröffentlicht in: | Journal of applied physics 2019-01, Vol.125 (2) |
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| container_title | Journal of applied physics |
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| creator | Peña-Alvarez, Miriam Dalladay-Simpson, Philip Liu, Xiao-Di Afonina, Veronika Zhang, Hui-Chao Howie, Ross T. Gregoryanz, Eugene |
| description | The Raman spectra of liquid
H
2
(
D
2
) have been collected in diamond anvil cell as a function of temperature at 3 GPa covering the range from 80 to
∼
1000
K. Temperatures were measured using two independent methods: by thermocouple and from the relative intensity ratio of the present Raman modes. We find excellent agreement between the two methods in the low temperature regime (80 to 400 K) but observe discrepancies between these approaches at temperatures above 400 K. We attribute that the temperature difference between the two methods arises primarily from the proximity of the thermocouple relative to the heating elements and sample. Although not always available in high-pressure experiments, the metrology based on in situ physical properties of the sample is absolute and more reliable than the secondary gauges based on external devices. |
| doi_str_mv | 10.1063/1.5070113 |
| format | Article |
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H
2
(
D
2
) have been collected in diamond anvil cell as a function of temperature at 3 GPa covering the range from 80 to
∼
1000
K. Temperatures were measured using two independent methods: by thermocouple and from the relative intensity ratio of the present Raman modes. We find excellent agreement between the two methods in the low temperature regime (80 to 400 K) but observe discrepancies between these approaches at temperatures above 400 K. We attribute that the temperature difference between the two methods arises primarily from the proximity of the thermocouple relative to the heating elements and sample. Although not always available in high-pressure experiments, the metrology based on in situ physical properties of the sample is absolute and more reliable than the secondary gauges based on external devices.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/1.5070113</identifier><identifier>CODEN: JAPIAU</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Applied physics ; Deuterium ; Diamond anvil cells ; Diamonds ; Gauges ; Physical properties ; Raman spectra ; Temperature ; Temperature gradients ; Thermocouples</subject><ispartof>Journal of applied physics, 2019-01, Vol.125 (2)</ispartof><rights>Author(s)</rights><rights>2018 Author(s). Published under license by AIP Publishing.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c362t-7a28cb19bd54eaa34f54c25fcdc2ae2f0bef87e5a894f3fd3b777df4484c42e83</citedby><cites>FETCH-LOGICAL-c362t-7a28cb19bd54eaa34f54c25fcdc2ae2f0bef87e5a894f3fd3b777df4484c42e83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/jap/article-lookup/doi/10.1063/1.5070113$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>314,780,784,794,4512,27924,27925,76384</link.rule.ids></links><search><creatorcontrib>Peña-Alvarez, Miriam</creatorcontrib><creatorcontrib>Dalladay-Simpson, Philip</creatorcontrib><creatorcontrib>Liu, Xiao-Di</creatorcontrib><creatorcontrib>Afonina, Veronika</creatorcontrib><creatorcontrib>Zhang, Hui-Chao</creatorcontrib><creatorcontrib>Howie, Ross T.</creatorcontrib><creatorcontrib>Gregoryanz, Eugene</creatorcontrib><title>Intensity of Raman modes as a temperature gauge in fluid hydrogen and deuterium</title><title>Journal of applied physics</title><description>The Raman spectra of liquid
H
2
(
D
2
) have been collected in diamond anvil cell as a function of temperature at 3 GPa covering the range from 80 to
∼
1000
K. Temperatures were measured using two independent methods: by thermocouple and from the relative intensity ratio of the present Raman modes. We find excellent agreement between the two methods in the low temperature regime (80 to 400 K) but observe discrepancies between these approaches at temperatures above 400 K. We attribute that the temperature difference between the two methods arises primarily from the proximity of the thermocouple relative to the heating elements and sample. Although not always available in high-pressure experiments, the metrology based on in situ physical properties of the sample is absolute and more reliable than the secondary gauges based on external devices.</description><subject>Applied physics</subject><subject>Deuterium</subject><subject>Diamond anvil cells</subject><subject>Diamonds</subject><subject>Gauges</subject><subject>Physical properties</subject><subject>Raman spectra</subject><subject>Temperature</subject><subject>Temperature gradients</subject><subject>Thermocouples</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp90EtLAzEUBeAgCtbqwn8QcKUwNc9OZinFR6FQEF2HTHJTp3QyNckI_fdOadGFIFy4m49z4CB0TcmEkim_pxNJSkIpP0EjSlRVlFKSUzQihNFCVWV1ji5SWpOBKF6N0HIeMoTU5B3uPH41rQm47RwkbIbDGdotRJP7CHhl-hXgJmC_6RuHP3YudisI2ASHHfQZYtO3l-jMm02Cq-Mfo_enx7fZS7FYPs9nD4vC8inLRWmYsjWtaicFGMOFl8Iy6a2zzADzpAavSpBGVcJz73hdlqXzQihhBQPFx-jmkLuN3WcPKet118cwVGpGp1IyTtRe3R6UjV1KEbzexqY1cacp0fu9NNXHvQZ7d7DJNtnkpgs_-KuLv1Bvnf8P_03-Bp0oeVo</recordid><startdate>20190114</startdate><enddate>20190114</enddate><creator>Peña-Alvarez, Miriam</creator><creator>Dalladay-Simpson, Philip</creator><creator>Liu, Xiao-Di</creator><creator>Afonina, Veronika</creator><creator>Zhang, Hui-Chao</creator><creator>Howie, Ross T.</creator><creator>Gregoryanz, Eugene</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20190114</creationdate><title>Intensity of Raman modes as a temperature gauge in fluid hydrogen and deuterium</title><author>Peña-Alvarez, Miriam ; Dalladay-Simpson, Philip ; Liu, Xiao-Di ; Afonina, Veronika ; Zhang, Hui-Chao ; Howie, Ross T. ; Gregoryanz, Eugene</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c362t-7a28cb19bd54eaa34f54c25fcdc2ae2f0bef87e5a894f3fd3b777df4484c42e83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Applied physics</topic><topic>Deuterium</topic><topic>Diamond anvil cells</topic><topic>Diamonds</topic><topic>Gauges</topic><topic>Physical properties</topic><topic>Raman spectra</topic><topic>Temperature</topic><topic>Temperature gradients</topic><topic>Thermocouples</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Peña-Alvarez, Miriam</creatorcontrib><creatorcontrib>Dalladay-Simpson, Philip</creatorcontrib><creatorcontrib>Liu, Xiao-Di</creatorcontrib><creatorcontrib>Afonina, Veronika</creatorcontrib><creatorcontrib>Zhang, Hui-Chao</creatorcontrib><creatorcontrib>Howie, Ross T.</creatorcontrib><creatorcontrib>Gregoryanz, Eugene</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Peña-Alvarez, Miriam</au><au>Dalladay-Simpson, Philip</au><au>Liu, Xiao-Di</au><au>Afonina, Veronika</au><au>Zhang, Hui-Chao</au><au>Howie, Ross T.</au><au>Gregoryanz, Eugene</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Intensity of Raman modes as a temperature gauge in fluid hydrogen and deuterium</atitle><jtitle>Journal of applied physics</jtitle><date>2019-01-14</date><risdate>2019</risdate><volume>125</volume><issue>2</issue><issn>0021-8979</issn><eissn>1089-7550</eissn><coden>JAPIAU</coden><abstract>The Raman spectra of liquid
H
2
(
D
2
) have been collected in diamond anvil cell as a function of temperature at 3 GPa covering the range from 80 to
∼
1000
K. Temperatures were measured using two independent methods: by thermocouple and from the relative intensity ratio of the present Raman modes. We find excellent agreement between the two methods in the low temperature regime (80 to 400 K) but observe discrepancies between these approaches at temperatures above 400 K. We attribute that the temperature difference between the two methods arises primarily from the proximity of the thermocouple relative to the heating elements and sample. Although not always available in high-pressure experiments, the metrology based on in situ physical properties of the sample is absolute and more reliable than the secondary gauges based on external devices.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.5070113</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
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| ispartof | Journal of applied physics, 2019-01, Vol.125 (2) |
| issn | 0021-8979 1089-7550 |
| language | eng |
| recordid | cdi_crossref_primary_10_1063_1_5070113 |
| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Applied physics Deuterium Diamond anvil cells Diamonds Gauges Physical properties Raman spectra Temperature Temperature gradients Thermocouples |
| title | Intensity of Raman modes as a temperature gauge in fluid hydrogen and deuterium |
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