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2,184 Newest Publications about the topic thermal conductivity

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Glass-like and crystal-like

29-Jun-2018 | Caroline Ash; Brent Grocholski, Science , 2018

Thermal Conductivity Crystals with glass-like ultralow thermal conductivity are appealing as barrier coatings and thermoelectric materials. Mukhopadhyay et al. developed a class of thallium selenides with glass-like thermal conductivity. These materials may be promising for applications, but they

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Two-channel model for ultralow thermal conductivity of crystalline Tl3VSe4

29-Jun-2018 | Saikat Mukhopadhyay; David S. Parker; Brian C. Sales; Alexander A. Puretzky; Michael A. McGuire; Lucas Lindsay, Science , 2018

Solids with ultralow thermal conductivity are of great interest as thermal barrier coatings for insulation or thermoelectrics for energy conversion. However, the theoretical limits of lattice thermal conductivity () are unclear. In typical crystals a phonon picture is valid, whereas lowest ...

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Molecules, Vol. 23, Pages 1522: Thermal Failure Analysis of Fiber-Reinforced Silica Aerogels under Liquid Nitrogen Thermal Shock

24-Jun-2018 | Du, Ai ; Liu, Mingfang ; Huang, Shangming ; Li, Conghang ; Zhou, Bin, Molecules, 2018

Molecules, Vol. 23, Pages 1522: Thermal Failure Analysis of Fiber-Reinforced Silica Aerogels under Liquid Nitrogen Thermal Shock Molecules doi: 10.3390/molecules23071522 Authors: Ai Du Mingfang Liu Shangming Huang Conghang Li Bin Zhou Aerogel materials are recognized as ...

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Realizing high performance n-type PbTe via synergistically optimizing effective mass, carrier mobility and suppressing bipolar thermal conductivity

20-Jun-2018 | Li-Dong Zhao; Yu Xiao; Haijun Wu; Juan Cui; Dongyang Wang; Liangwei Fu; Yang Zhang; Yue Chen; Jiaqing He; Stephen Jo ..., Energy & Environmental Science, 2018

Thermoelectric materials enable the direct inter-conversion between electrical energy and thermal energy. The conversion efficiency is limited by its complex interdependent thermoelectric parameters. Here, we report that the electrical and thermal transport properties of n-type PbTe can be ...

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Materials, Vol. 11, Pages 1016: Preparation and Performance Analysis of Modified Sodium Acetate Trihydrate

15-Jun-2018 | Hua, Weisan ; Zhang, Xuelai ; Muthoka, Munyalo Jotham; Han, Xingchao, Materials, 2018

Materials, Vol. 11, Pages 1016: Preparation and Performance Analysis of Modified Sodium Acetate Trihydrate Materials doi: 10.3390/ma11061016 Authors: Weisan Hua Xuelai Zhang Munyalo Jotham Muthoka Xingchao Han In order to solve undercooling and phase separation of sodium ...

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Energies, Vol. 11, Pages 1553: Thermal Conductance along Hexagonal Boron Nitride and Graphene Grain Boundaries

14-Jun-2018 | Rabczuk, Timon ; Azadi Kakavand, Mohammad Reza; Palanivel Uma, Raahul ; Hossein Nezhad Shirazi, Ali ; Makaremi, Meysam, Energies, 2018

Energies, Vol. 11, Pages 1553: Thermal Conductance along Hexagonal Boron Nitride and Graphene Grain Boundaries Energies doi: 10.3390/en11061553 Authors: Timon Rabczuk Mohammad Azadi Kakavand Raahul Palanivel Uma Ali Hossein Nezhad Shirazi Meysam Makaremi We carried out ...

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Materials, Vol. 11, Pages 999: Development of Perovskite-Type Materials for Thermoelectric Application

12-Jun-2018 | Wu, Tingjun ; Gao, Peng, Materials, 2018

Materials, Vol. 11, Pages 999: Development of Perovskite-Type Materials for Thermoelectric Application Materials doi: 10.3390/ma11060999 Authors: Tingjun Wu Peng Gao Oxide perovskite materials have a long history of being investigated for thermoelectric applications. Compared to ...

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Materials, Vol. 11, Pages 969: Thermal Conductivity and High-Frequency Dielectric Properties of Pressureless Sintered SiC-AlN Multiphase Ceramics

08-Jun-2018 | Gu, Jialin ; Sang, Lingling ; Pan, Bo ; Feng, Yongbao ; Yang, Jian ; Li, Xiaoyun, Materials, 2018

Materials, Vol. 11, Pages 969: Thermal Conductivity and High-Frequency Dielectric Properties of Pressureless Sintered SiC-AlN Multiphase Ceramics Materials doi: 10.3390/ma11060969 Authors: Jialin Gu Lingling Sang Bo Pan Yongbao Feng Jian Yang Xiaoyun Li SiC-AlN multiphase ...

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Applying the General Effective Media (GEM) approach for analyzing the thermal conductivity of ZrO2-8YSZ composites

06-Jun-2018 | Gal Shekel; Barad Chen; Hagay Hayun; Yatir Sadia; Yaniv Gelbstein, Physical Chemistry Chemical Physics, 2018

Zirconia (ZrO2) and yttria-stabilized-zirconia (YSZ) are known as advanced oxides, widely applied in gas-turbine engines, fuel cells and other applications, requiring controlled thermal conductivity values. In the current research hot-pressed ZrO2-8YSZ composites, were synthesized. The effect of ...

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Phonon thermal transport in a class of graphene allotropes from first principles

06-Jun-2018 | Xiuxian Yang; Zhenhong Dai; Yinchang Zhao; Sheng Meng, Physical Chemistry Chemical Physics, 2018

Utilizing first principle calculations combined with the phonon Boltzman transport equation (PBTE), we systematically investigate the phonon thermal transport properties of α, β and γ graphyne, a class of graphene allotropes. Strikingly, at room temperature, a low lattice thermal conductivity κL ...

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