DAE SOLID STATE PHYSICS SYMPOSIUM 2019最新文献

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Electronic properties of armchair graphene nanoribbons 扶手椅石墨烯纳米带的电子特性
DAE SOLID STATE PHYSICS SYMPOSIUM 2019 Pub Date : 1900-01-01 DOI: 10.1063/5.0017097
A. Bhojani, H. Soni, P. Jha
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引用次数: 0
Effect of soft repulsive wall on the bulk phases of thermotropic liquid crystals 软排斥壁对热致液晶体相的影响
DAE SOLID STATE PHYSICS SYMPOSIUM 2019 Pub Date : 1900-01-01 DOI: 10.1063/5.0017766
J. Kaur, D. Deb
{"title":"Effect of soft repulsive wall on the bulk phases of thermotropic liquid crystals","authors":"J. Kaur, D. Deb","doi":"10.1063/5.0017766","DOIUrl":"https://doi.org/10.1063/5.0017766","url":null,"abstract":". Using the computer simulations, the effect of soft repulsive wall on a system comprising of thermotropic liquid crystalline material is studied. We place the walls perpendicular to the z-axis at the ends of an anisotropic box with the periodic boundary conditions along x and y axes. Here, the wall interaction strength, temperature and density are the control parameters. We analysed the effect of temperature on the system confined by the wall at different number densities. Within a limited range of temperatures, we observe that temperature is actually a good control parameter in the system. Moreover, the effect of wall on the system is more pronounced at low number densities.","PeriodicalId":222119,"journal":{"name":"DAE SOLID STATE PHYSICS SYMPOSIUM 2019","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125406531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermoelectric properties of p-type filled skutterudites SxCo4Sb12 p型填充方突石SxCo4Sb12的热电性质
DAE SOLID STATE PHYSICS SYMPOSIUM 2019 Pub Date : 1900-01-01 DOI: 10.1063/5.0016889
Sanyukta Ghosh, K. K. Raut, A. Ramakrishnan, Kuei-Hsien Chen, Soon-jik Hong, R. Mallik
{"title":"Thermoelectric properties of p-type filled skutterudites SxCo4Sb12","authors":"Sanyukta Ghosh, K. K. Raut, A. Ramakrishnan, Kuei-Hsien Chen, Soon-jik Hong, R. Mallik","doi":"10.1063/5.0016889","DOIUrl":"https://doi.org/10.1063/5.0016889","url":null,"abstract":". The electronegativity difference between the filler and the host atom of skutterudites determines the bonding type, which effects the thermoelectric properties. The electropositive elements with low electronegativity compared to Sb atom can form n-type filled skutterudites. In this study, the electronegative element sulphur has filled into voids. A series of S x Co 4 Sb 12 (x= 0.05 to 0.4) compounds were synthesized by the solid-state method. CoSbS secondary phase was observed for x > 0.05. Filling fraction of sulphur into the void (̴ 0.04) was calculated using electron probe microanalyzer which agrees with Rietveld refinement of the X-ray diffraction pattern. The transport properties were measured from 350 K to 723 K. The positive Seebeck coefficient (S) confirms p-type semiconducting nature. S and the electrical resistivity (ρ) decreased with increasing x due to increased carrier concentration (n). All the samples except x =0.05 possess almost same S and ρ due to saturation of filling fraction. The enhanced phonon scattering in S x Co 4 Sb 12 resulted in low thermal conductivity (κ). The highest zT of 0.18 at 623 K was achieved for S 0.15 Co 4 Sb 12 .","PeriodicalId":222119,"journal":{"name":"DAE SOLID STATE PHYSICS SYMPOSIUM 2019","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131541515","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
3D-Ni-foam/graphene heterostructure decorated with g-C3N4composite: A noble-metal free electrocatalyst for hydrogen evolution reaction g- c3n4复合材料修饰的3d - ni泡沫/石墨烯异质结构:一种用于析氢反应的无贵金属电催化剂
DAE SOLID STATE PHYSICS SYMPOSIUM 2019 Pub Date : 1900-01-01 DOI: 10.1063/5.0017616
S. Riyajuddin, F. Ali, Sushil Kumar, Kashif Azmi, K. Ghosh
{"title":"3D-Ni-foam/graphene heterostructure decorated with g-C3N4composite: A noble-metal free electrocatalyst for hydrogen evolution reaction","authors":"S. Riyajuddin, F. Ali, Sushil Kumar, Kashif Azmi, K. Ghosh","doi":"10.1063/5.0017616","DOIUrl":"https://doi.org/10.1063/5.0017616","url":null,"abstract":"","PeriodicalId":222119,"journal":{"name":"DAE SOLID STATE PHYSICS SYMPOSIUM 2019","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116059705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
X-ray diffraction analysis and up-conversion luminescence properties of Er3+-doped La2Ti2O7 powders Er3+掺杂La2Ti2O7粉末的x射线衍射分析及上转换发光性能
DAE SOLID STATE PHYSICS SYMPOSIUM 2019 Pub Date : 1900-01-01 DOI: 10.1063/5.0016693
R. Swami, A. Arora, K. Sreenivas
{"title":"X-ray diffraction analysis and up-conversion luminescence properties of Er3+-doped La2Ti2O7 powders","authors":"R. Swami, A. Arora, K. Sreenivas","doi":"10.1063/5.0016693","DOIUrl":"https://doi.org/10.1063/5.0016693","url":null,"abstract":"","PeriodicalId":222119,"journal":{"name":"DAE SOLID STATE PHYSICS SYMPOSIUM 2019","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129311689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ab-initio study of charged oxygen defects in Nd2Zr2O7 Nd2Zr2O7中带电氧缺陷的Ab-initio研究
DAE SOLID STATE PHYSICS SYMPOSIUM 2019 Pub Date : 1900-01-01 DOI: 10.1063/5.0017361
P. Ghosh, A. Arya
{"title":"Ab-initio study of charged oxygen defects in Nd2Zr2O7","authors":"P. Ghosh, A. Arya","doi":"10.1063/5.0017361","DOIUrl":"https://doi.org/10.1063/5.0017361","url":null,"abstract":"","PeriodicalId":222119,"journal":{"name":"DAE SOLID STATE PHYSICS SYMPOSIUM 2019","volume":"152 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132151580","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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