{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,7]],"date-time":"2026-03-07T07:23:57Z","timestamp":1772868237208,"version":"3.50.1"},"reference-count":39,"publisher":"AIP Publishing","issue":"5","funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["12072299"],"award-info":[{"award-number":["12072299"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2025,2,7]]},"abstract":"<jats:p>This study investigates the behavior of nitrogen and other liquefied gases under shock compression, with a focus on temperature variations and molecular dissociation. Through dynamic compression experiments on liquefied Ar, O2, CO, and N2, we aimed to understand shock-induced cooling and radiance changes at the sample\/lithium fluoride (LiF) interface. The experiments were conducted using a setup involving a Doppler pin system and pyrometer to measure shock velocities, pressures, and temperatures across the interface between shocked liquids and LiF. Under the first-shock, molecular liquids experienced partial dissociation due to a rapid rise in pressure, density, and temperature within nanoseconds. Upon re-shocking at the sample\/LiF interface, a radiance drop was observed for all liquids except Ar. Our data analysis suggests that the cooling effect is likely due to a chemical reaction occurring at the interface between reactive species, produced during the initial shock, and the layer of LiF at the surface under re-shock conditions. One probable interpretation is that this reaction formed a thin, partially transparent layer on the LiF, which absorbed a significant portion of the radiation emitted by the shocked fluid. Thus, the observed temperature drop in re-shocked liquid nitrogen is likely attributable to radiation reduction.<\/jats:p>","DOI":"10.1063\/5.0244257","type":"journal-article","created":{"date-parts":[[2025,2,3]],"date-time":"2025-02-03T11:24:32Z","timestamp":1738581872000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":3,"title":["Shock compression of liquefied gases: Molecular dissociation and radiance change at the sample\/LiF interface"],"prefix":"10.1063","volume":"162","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0901-8122","authenticated-orcid":false,"given":"Muhammad Sabeeh","family":"Akram","sequence":"first","affiliation":[{"name":"School of Physical Science and Technology, Southwest Jiaotong University, Key Laboratory of Advanced Technologies of Materials, Ministry of Education of China 1 , Chengdu 610031,","place":["People\u2019s Republic of China"]},{"name":"School of Mechanics and Aerospace Engineering, Southwest Jiaotong University 2 , Chengdu 610031,","place":["People\u2019s Republic of China"]},{"name":"Sichuan Provincial Key Laboratory (for Universities) of High-Pressure Science and Technology, Southwest Jiaotong University 3 , Chengdu 610031,","place":["People\u2019s Republic of China"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhuo-Ning","family":"Fan","sequence":"additional","affiliation":[{"name":"School of Physical Science and Technology, Southwest Jiaotong University, Key Laboratory of Advanced Technologies of Materials, Ministry of Education of China 1 , Chengdu 610031,","place":["People\u2019s Republic of China"]},{"name":"Sichuan Provincial Key Laboratory (for Universities) of High-Pressure Science and Technology, Southwest Jiaotong University 3 , Chengdu 610031,","place":["People\u2019s Republic of China"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chao-Bo","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Physical Science and Technology, Southwest Jiaotong University, Key Laboratory of Advanced Technologies of Materials, Ministry of Education of China 1 , Chengdu 610031,","place":["People\u2019s Republic of China"]},{"name":"Sichuan Provincial Key Laboratory (for Universities) of High-Pressure Science and Technology, Southwest Jiaotong University 3 , Chengdu 610031,","place":["People\u2019s Republic of China"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7221-7696","authenticated-orcid":false,"given":"Qi-Jun","family":"Liu","sequence":"additional","affiliation":[{"name":"School of Physical Science and Technology, Southwest Jiaotong University, Key Laboratory of Advanced Technologies of Materials, Ministry of Education of China 1 , Chengdu 610031,","place":["People\u2019s Republic of China"]},{"name":"Sichuan Provincial Key Laboratory (for Universities) of High-Pressure Science and Technology, Southwest Jiaotong University 3 , Chengdu 610031,","place":["People\u2019s Republic of China"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fu-Sheng","family":"Liu","sequence":"additional","affiliation":[{"name":"School of Physical Science and Technology, Southwest Jiaotong University, Key Laboratory of Advanced Technologies of Materials, Ministry of Education of China 1 , Chengdu 610031,","place":["People\u2019s Republic of China"]},{"name":"Sichuan Provincial Key Laboratory (for Universities) of High-Pressure Science and Technology, Southwest Jiaotong University 3 , Chengdu 610031,","place":["People\u2019s Republic of China"]}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"317","published-online":{"date-parts":[[2025,2,3]]},"reference":[{"key":"2025020311242662200_c1","doi-asserted-by":"publisher","first-page":"2624","DOI":"10.1038\/s41467-018-05011-z","article-title":"Metallization and molecular dissociation of dense fluid nitrogen","volume":"9","year":"2018","journal-title":"Nat. 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