{"title":"承压水中低频动力学:拉曼和非弹性中子散射的比较分析","authors":"V. Crupi, D. Majolino, P. Migliardo, V. Venuti","doi":"10.1080/13642810208223130","DOIUrl":null,"url":null,"abstract":"Abstract In this paper we report the results of a study of low-frequency vibrational dynamics and electron-vibration coupling in water in the bulk and confined state, at different hydration percentages. The simultaneous use of both Raman spectroscopy and time-of-flight inelastic neutron scattering allowed us to determine the respective vibrational densities of states (VDOSs), g R eff(ω) and g N(ω). Both the VDOSs show clear evidence of surface-induced vibrational modes, due to the local order distortion with respect to the bulk state.","PeriodicalId":20016,"journal":{"name":"Philosophical Magazine Part B","volume":"22 1","pages":"425 - 430"},"PeriodicalIF":0.0000,"publicationDate":"2002-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Low-frequency dynamics in confined water: A comparative analysis by Raman and inelastic neutron scattering\",\"authors\":\"V. Crupi, D. Majolino, P. Migliardo, V. Venuti\",\"doi\":\"10.1080/13642810208223130\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Abstract In this paper we report the results of a study of low-frequency vibrational dynamics and electron-vibration coupling in water in the bulk and confined state, at different hydration percentages. The simultaneous use of both Raman spectroscopy and time-of-flight inelastic neutron scattering allowed us to determine the respective vibrational densities of states (VDOSs), g R eff(ω) and g N(ω). Both the VDOSs show clear evidence of surface-induced vibrational modes, due to the local order distortion with respect to the bulk state.\",\"PeriodicalId\":20016,\"journal\":{\"name\":\"Philosophical Magazine Part B\",\"volume\":\"22 1\",\"pages\":\"425 - 430\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2002-03-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Philosophical Magazine Part B\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1080/13642810208223130\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Philosophical Magazine Part B","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/13642810208223130","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
摘要
摘要本文报道了不同水化百分比下体积态和密闭态水中低频振动动力学和电子振动耦合的研究结果。同时使用拉曼光谱和飞行时间非弹性中子散射使我们能够确定各自的状态振动密度(VDOSs)， g R eff(ω)和g N(ω)。由于相对于体态的局部阶畸变，两种VDOSs都表现出明显的表面诱导振动模式。
Low-frequency dynamics in confined water: A comparative analysis by Raman and inelastic neutron scattering
Abstract In this paper we report the results of a study of low-frequency vibrational dynamics and electron-vibration coupling in water in the bulk and confined state, at different hydration percentages. The simultaneous use of both Raman spectroscopy and time-of-flight inelastic neutron scattering allowed us to determine the respective vibrational densities of states (VDOSs), g R eff(ω) and g N(ω). Both the VDOSs show clear evidence of surface-induced vibrational modes, due to the local order distortion with respect to the bulk state.
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