Chinese Physics B最新文献_第10页

Investigation on the local thermal conductivity of inhomogeneous nano-fluidic films: a DFT perspective 非均质纳米流体薄膜的局部导热性研究：DFT视角

IF 1.7 4区物理与天体物理

Chinese Physics B Pub Date : 2023-12-26 DOI: 10.1088/1674-1056/ad18a9

Zongli Sun, Yanshuang Kang, Yanmei Kang

{"title":"Investigation on the local thermal conductivity of inhomogeneous nano-fluidic films: a DFT perspective","authors":"Zongli Sun, Yanshuang Kang, Yanmei Kang","doi":"10.1088/1674-1056/ad18a9","DOIUrl":"https://doi.org/10.1088/1674-1056/ad18a9","url":null,"abstract":"Combining the mean field Pozhar-Gubbins (PG) theory and the weighted density approximation, a novel method for the local thermal conductivity of inhomogeneous fluids is proposed. The correlation effect that is beyond the mean field treatment is taken into account by the simulation-based empirical correlations. The application of this method to confined argon in slit pore shows that its prediction agrees well with the simulation results, and that it performs better than the original PG theory as well as the local averaged density model (LADM). In its further application to the nano-fluidic films, the influences of fluid parameters and pore parameters on the thermal conductivity are calculated and investigated. It is found that both the local thermal conductivity and the overall thermal conductivity can be significantly modulated by these parameters. Specifically, in the supercritical states, the thermal conductivity of the confined fluid shows positive correlation to the bulk density as well as the temperature. However, when the bulk density is small, the thermal conductivity exhibits a decrease-increase transition as the temperature is increased. This is also the case when the temperature is low. In fact, the decrease-increase transition in both cases arises from the capillary condensation in the pore. Furthermore, smaller pore width and/or stronger adsorption potential can raise the critical temperature for condensation, and then are beneficial to the enhancement of the thermal conductivity. These modulation behaviors of the local thermal conductivity lead immediately to the significant difference of the overall thermal conductivity in different phase regions.","PeriodicalId":10253,"journal":{"name":"Chinese Physics B","volume":"14 8","pages":""},"PeriodicalIF":1.7,"publicationDate":"2023-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139156639","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Negative magnetoresistance in the antiferromagnetic semimetal V1/3TaS2 反铁磁性半金属 V1/3TaS2 中的负磁阻

IF 1.7 4区物理与天体物理

Chinese Physics B Pub Date : 2023-12-26 DOI: 10.1088/1674-1056/ad18aa

Zi Wang, Xin Peng, ShengNan Zhang, Yahui Su, Shaodong Lai, Xuan Zhou, Chun-Shian Wu, Tingyu Zhou, Hangdong Wang, Jinhu Yang, Bin Chen, Huifei Zhai, Quansheng Wu, J. Du, Zhiwei Jiao, Minghu Fang

引用次数: 0

Creation and annihilation of artificial magnetic skyrmions with the electric field 人工磁天幕与电场的生成和湮灭

IF 1.7 4区物理与天体物理

Chinese Physics B Pub Date : 2023-12-25 DOI: 10.1088/1674-1056/ad188f

Jun Cheng, Liang Sun, Yike Zhang, Tongzhou Ji, Rongxing Cao, B. Miao, Yonggang Zhao, Haifeng Ding

引用次数: 0

The hexagonal-orthorhombic martensitic transformation in MnNiSi1-x(CoNiGe)x alloy: being triggered by pre-existing orthorhombic embryos MnNiSi1-x(CoNiGe)x 合金中的六方-正方马氏体转变：由预先存在的正方体胚胎引发

IF 1.7 4区物理与天体物理

Chinese Physics B Pub Date : 2023-12-25 DOI: 10.1088/1674-1056/ad188d

Tingting Zhang, Y. Gong, Ziqian Lu, Feng Xu

{"title":"The hexagonal-orthorhombic martensitic transformation in MnNiSi1-x(CoNiGe)x alloy: being triggered by pre-existing orthorhombic embryos","authors":"Tingting Zhang, Y. Gong, Ziqian Lu, Feng Xu","doi":"10.1088/1674-1056/ad188d","DOIUrl":"https://doi.org/10.1088/1674-1056/ad188d","url":null,"abstract":"The thermal-elastic martensitic transformation from high-temperature Ni2In-type hexagonal structure to low-temperature TiNiSi-type orthorhombic structure has been widely observed in MnMX (M=Ni or Co, and X=Ge or Si) alloys. However, the answer to how the orthorhombic martensite nucleates and grows within the hexagonal parent is still unclear. This paper investigates the hexagonal-orthorhombic martensitic transformation in a Co and Ge co-substituted MnNiSi. One can find some orthorhombic laths embedded in the hexagonal parent at a temperature above the martensitic transformation start temperature (M s). With the cooling of the sample to M s, the laths extend broader, indicating that the martensitic transformation starts from these pre-existing orthorhombic laths. Microstructure observation suggests that these pre-existing orthorhombic laths are not originated from the hexagonal-orthorhombic martensitic transformation because of the difference in atomic occupations of doping elements in the hexagonal parent and pre-existing orthorhombic laths. The phenomenological crystallographic theory and experimental investigations prove that the pre-existing orthorhombic lath and generated orthorhombic martensite have the same crystallography relationship to the hexagonal parent. Therefore, the orthorhombic martensite can take these pre-existing laths as embryos and grow up. This work implies that the martensitic transformation in MnNiSi1-x(CoNiGe)x alloy is initiated by orthorhombic embryos.","PeriodicalId":10253,"journal":{"name":"Chinese Physics B","volume":"27 3","pages":""},"PeriodicalIF":1.7,"publicationDate":"2023-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139158033","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

On chip ultrafast stackable dielectric laser positron accelerator 片上超快可叠加介质激光正电子加速器

IF 1.7 4区物理与天体物理

Chinese Physics B Pub Date : 2023-12-25 DOI: 10.1088/1674-1056/ad188e

Bin Sun, Yangfan He, Chenhao Pan, Sijie Fan, Du Wang, Shaoyi Wang, Zongqing Zhao

引用次数: 0

Influence of extraction voltage on electrons and ions behavior characteristics 萃取电压对电子和离子行为特征的影响

IF 1.7 4区物理与天体物理

Chinese Physics B Pub Date : 2023-12-22 DOI: 10.1088/1674-1056/ad1820

Ao Xu, Pingping Gan, Yuanjie Shi, Lei Chen

引用次数: 0

Dual-wavelength pumped latticed Fermi-Pasta-Ulam recurrences in Nonlinear Schrödinger Equation 非线性薛定谔方程中的双波长泵浦晶格费米-帕斯塔-乌兰递推现象

IF 1.7 4区物理与天体物理

Chinese Physics B Pub Date : 2023-12-22 DOI: 10.1088/1674-1056/ad181e

Qian Zhang, Xiankun Yao, Heng Dong

引用次数: 0

The effect of overheating-induced minor addition on Zr-based metallic glasses 过热引起的微量添加对 Zr 基金属玻璃的影响

IF 1.7 4区物理与天体物理

Chinese Physics B Pub Date : 2023-12-22 DOI: 10.1088/1674-1056/ad1823

Fu Yang, Zhenxing Bo, Yao Huang, Yutian Wang, Boyang Sun, Zhen Lu, Baoan Sun, Yanhui Liu, Weihua Wang, Mingxiang Pan

{"title":"The effect of overheating-induced minor addition on Zr-based metallic glasses","authors":"Fu Yang, Zhenxing Bo, Yao Huang, Yutian Wang, Boyang Sun, Zhen Lu, Baoan Sun, Yanhui Liu, Weihua Wang, Mingxiang Pan","doi":"10.1088/1674-1056/ad1823","DOIUrl":"https://doi.org/10.1088/1674-1056/ad1823","url":null,"abstract":"\u0000 Melt treatment is well known to have an important influence on the properties of metallic glasses (MGs). However, for the MGs quenched from different melt temperatures with a quartz tube, the underlying physical origin responsible for the variation of properties remains poorly understood. In the present work, we systematically studied the influence of melt treatment on the thermal properties of a Zr50Cu36Al14 glass-forming alloy and unveiled the microscopic origins. Specifically, we quenched the melt at different temperatures ranging from 1.1T\u0000 \u0000 l\u0000 to 1.5T\u0000 \u0000 l\u0000 (T\u0000 \u0000 l\u0000 is the liquidus temperature) to obtain melt-spun MG ribbons and investigated the variation of thermal properties of the MGs upon heating. We found that glass transition temperature, T\u0000 \u0000 g\u0000 , increases by as much as 36 K, and the supercooled liquid region disappears in the curve of differential scanning calorimetry when the melt is quenched at a high temperature up to 1.5T\u0000 \u0000 l\u0000 . The careful chemical analyses indicate that the change in glass transition behavior originates from the incorporation of oxygen and silicon in the molten alloys. The incorporated oxygen and silicon can both enhance the atomic interactions between atoms, which renders the cooperative rearrangements of atoms difficult, and thus enhance the kinetic stability of the MGs.","PeriodicalId":10253,"journal":{"name":"Chinese Physics B","volume":"61 22","pages":""},"PeriodicalIF":1.7,"publicationDate":"2023-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138945656","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Higher Dimensional Chen-Lee-Liu Equation and Asymmetric Peakon Soliton 高维陈-李-刘方程和非对称峰孤子

IF 1.7 4区物理与天体物理

Chinese Physics B Pub Date : 2023-12-22 DOI: 10.1088/1674-1056/ad1822

Qiao-Hong Han, Man Jia

引用次数: 0

A multilayer network diffusion-based model for reviewer recommendation 基于多层网络扩散的审稿人推荐模型

IF 1.7 4区物理与天体物理

Chinese Physics B Pub Date : 2023-12-22 DOI: 10.1088/1674-1056/ad181d

Yiwei Huang, Shuqi Xu, Shimin Cai, Linyuan Lü

{"title":"A multilayer network diffusion-based model for reviewer recommendation","authors":"Yiwei Huang, Shuqi Xu, Shimin Cai, Linyuan Lü","doi":"10.1088/1674-1056/ad181d","DOIUrl":"https://doi.org/10.1088/1674-1056/ad181d","url":null,"abstract":"\u0000 With the rapid growth of manuscript submissions, finding eligible reviewers for every submission has become a heavy task. Recommender systems are powerful tools developed in computer science and information science to deal with this problem. However, most existing approaches resort to text mining techniques to match manuscripts with potential reviewers, which require high-quality textual information to perform well. In this paper, we propose a reviewer recommendation algorithm based on a network diffusion process on a scholar-paper multilayer network, with no requirement for textual information. The network incorporates the relationship of scholar-paper pairs, the collaboration among scholars, and the bibliographic coupling among papers. Experimental results show that our proposed algorithm outperforms other state-of-the-art recommendation methods that use graph random walk and matrix factorization and methods that use machine learning and natural language processing, with improvements of over 7.62% in Recall, 5.66% in Hit Rate, and 47.53% in Ranking Score. Our work sheds light on the effectiveness of multilayer network diffusion-based methods in the reviewer recommendation problem, which will help to facilitate the peer-review process and promote information retrieval research in other practical scenes.","PeriodicalId":10253,"journal":{"name":"Chinese Physics B","volume":"17 17","pages":""},"PeriodicalIF":1.7,"publicationDate":"2023-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138947019","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0