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3篇 您的检索式:作者名="Tsuneyoshi Nakayama"
    题名 作者 年代 出处 被引量
1Erratum: A Ubiquitous Thermal Conductivity Formula for Liquids, Polymer Glass, and Amorphous Solids [Chin. Phys. Lett. 37(2020) 104401]显示文摘In the Acknowledgement, the following sentence 'JH and JL are supported by the National Science Foundation (Award number CBET-1943813) and the Faulty Research and Professional Development Fund at North Carolina State University' should be changed to 'JH and JL are supported by the Faulty Research and Professional Development Fund at North Carolina State University'.席晴 钟金鑫 何集雄 徐象繁 Tsuneyoshi Nakayama 王元元 刘君 周俊 李保文 2021Chinese Physics Letters2021,38,3:0
2A Ubiquitous Thermal Conductivity Formula for Liquids, Polymer Glass, and Amorphous Solids显示文摘The microscopic mechanism of thermal transport in liquids and amorphous solids has been an outstanding problem for a long time.There have been several approaches to explain the thermal conductivities in these systems,for example,Bridgman's formula for simple liquids,the concept of the minimum thermal conductivity for amorphous solids,and the thermal resistance network model for amorphous polymers.Here,we present a ubiquitous formula to calculate the thermal conductivities of liquids and amorphous solids in a unified way,and compare it with previous ones.The calculated thermal conductivities using this formula without fitting parameters are in excellent agreement with the experimental data.Our formula not only provides a detailed microscopic mechanism of heat transfer in these systems,but also resolves the discrepancies between existing formulae and experimental data.席晴 钟金鑫 何集雄 徐象繁 Tsuneyoshi Nakayama 王元元 刘君 周俊 李保文 2020Chinese Physics Letters2020,37,10:0
3Dimensional crossover of heat conduction in amorphous polyimide nanofibers显示文摘The mechanism of thermal conductivity in amorphous polymers, especially polymer fibers, is unclear in comparison with that in inorganic materials. Here, we report the observation of a crossover of heat conduction behavior from three dimensions to quasi-one dimension in polyimide nanofibers at a given temperature. A theoretical model based on the random walk theory has been proposed to quantitatively describe the interplay between the inter-chain hopping and the intra-chain hopping in nanofibers. This model explains well the diameter dependence of thermal conductivity and also speculates on the upper limit of thermal conductivity of amorphous polymers in the quasi-1D limit.Lan Dong Qing Xi Dongsheng Chen Jie Guo Tsuneyoshi Nakayama Yunyun Li Ziqi Liang Jun Zhou Xiangfan Xu Baowen Li 2018National Science Review2018,5,4:0
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