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  1. Article

    Open Access

    General deep learning framework for emissivity engineering

    Wavelength-selective thermal emitters (WS-TEs) have been frequently designed to achieve desired target emissivity spectra, as a typical emissivity engineering, for broad applications such as thermal camouflage...

    Shilv Yu, Peng Zhou, Wang **, Zihe Chen, Yuheng Deng in Light: Science & Applications (2023)

  2. Article

    Open Access

    Ultrahigh-efficient material informatics inverse design of thermal metamaterials for visible-infrared-compatible camouflage

    Multispectral camouflage technologies, especially in the most frequently-used visible and infrared (VIS-IR) bands, are in increasing demand for the ever-growing multispectral detection technologies. Neverthele...

    Wang **, Yun-Jo Lee, Shilv Yu, Zihe Chen, Junichiro Shiomi in Nature Communications (2023)

  3. Article

    Open Access

    RadonPy: automated physical property calculation using all-atom classical molecular dynamics simulations for polymer informatics

    The spread of data-driven materials research has increased the need for systematically designed materials property databases. However, the development of polymer databases has lagged far behind other material ...

    Yoshihiro Hayashi, Junichiro Shiomi, Junko Morikawa in npj Computational Materials (2022)

  4. Article

    Open Access

    Robust combined modeling of crystalline and amorphous silicon grain boundary conductance by machine learning

    Knowledge in thermal and electric transport through grain boundary (GB) is crucial for designing nanostructured thermoelectric materials, where the transport greatly depends on GB atomistic structure. In this ...

    Chayaphol Lortaraprasert, Junichiro Shiomi in npj Computational Materials (2022)

  5. Article

    Open Access

    Heat diffusion-related dam** process in a highly precise coarse-grained model for nonlinear motion of SWCNT

    Second sound and heat diffusion in single-walled carbon nanotubes (SWCNT) are well-known phenomena which is related to the high thermal conductivity of this material. In this paper, we have shown that the heat...

    Heeyuen Koh, Shohei Chiashi, Junichiro Shiomi, Shigeo Maruyama in Scientific Reports (2021)

  6. No Access

    Chapter

    Thermal Nanostructure Design by Materials Informatics

    Tuning thermal transport by nanostructures has garnered increasing attentions as thermal materials with either high or low thermal conductivities are of great use in a wide range of applications like thermal m...

    Run Hu, Junichiro Shiomi in Artificial Intelligence for Materials Science (2021)

  7. Article

    Open Access

    Machine-learning-assisted discovery of polymers with high thermal conductivity using a molecular design algorithm

    The use of machine learning in computational molecular design has great potential to accelerate the discovery of innovative materials. However, its practical benefits still remain unproven in real-world applic...

    Stephen Wu, Yukiko Kondo, Masa-aki Kakimoto, Bin Yang in npj Computational Materials (2019)

  8. Article

    Open Access

    Monte Carlo tree search for materials design and discovery

    Materials design and discovery can be represented as selecting the optimal structure from a space of candidates that optimizes a target property. Since the number of candidates can be exponentially proportiona...

    Thaer M. Dieb, Shenghong Ju, Junichiro Shiomi, Koji Tsuda in MRS Communications (2019)

  9. Article

    Open Access

    Revealing How Topography of Surface Microstructures Alters Capillary Spreading

    Wetting phenomena, i.e. the spreading of a liquid over a dry solid surface, are important for understanding how plants and insects imbibe water and moisture and for miniaturization in chemistry and biotechnolo...

    Yaerim Lee, Naoto Matsushima, Susumu Yada, Satoshi Nita in Scientific Reports (2019)

  10. Article

    Open Access

    Thermal conductivity reduction in silicon fishbone nanowires

    Semiconductor nanowires are potential building blocks for future thermoelectrics because of their low thermal conductivity. Recent theoretical works suggest that thermal conductivity of nanowires can be furthe...

    Jeremie Maire, Roman Anufriev, Takuma Hori, Junichiro Shiomi in Scientific Reports (2018)

  11. No Access

    Article

    Modulation of thermal and thermoelectric transport in individual carbon nanotubes by fullerene encapsulation

    Encapsulation of single- and double-wall carbon nanotubes in carbon nanocages, which may contain gadolinium or erbium, leads to a reduction of the thermal conductivity and an improved Seebeck coefficient.

    Takashi Kodama, Masato Ohnishi, Woosung Park, Takuma Shiga in Nature Materials (2017)

  12. Article

    Open Access

    Early Onset of Nucleate Boiling on Gas-covered Biphilic Surfaces

    For phase-change cooling schemes for electronics, quick activation of nucleate boiling helps safeguard the electronics components from thermal shocks associated with undesired surface superheating at boiling i...

    Biao Shen, Masayuki Yamada, Sumitomo Hidaka, Jiewei Liu in Scientific Reports (2017)

  13. Article

    Open Access

    Surface structure determines dynamic wetting

    Liquid wetting of a surface is omnipresent in nature and the advance of micro-fabrication and assembly techniques in recent years offers increasing ability to control this phenomenon. Here, we identify how sur...

    Jiayu Wang, Minh Do-Quang, James J. Cannon, Feng Yue, Yuji Suzuki in Scientific Reports (2015)

  14. No Access

    Article

    Tunable separation of single-walled carbon nanotubes by dual-surfactant density gradient ultracentrifugation

    We present a systematic study of the effects of surfactants in the separation of single-walled carbon nanotubes (SWNTs) by density gradient ultracentrifugation (DGU). Through analysis of the buoyant densities,...

    Pei Zhao, Erik Einarsson, Georgia Lagoudas, Junichiro Shiomi in Nano Research (2011)

  15. No Access

    Article

    Facile fabrication of all-SWNT field-effect transistors

    Field-effect transistors (FETs) have been fabricated using as-grown single-walled carbon nanotubes (SWNTs) for the channel as well as both source and drain electrodes. The underlying Si substrate was employed ...

    Shinya Aikawa, Rong **ang, Erik Einarsson, Shohei Chiashi in Nano Research (2011)

  16. No Access

    Article

    Diffusive-Ballistic Heat Conduction of Carbon Nanotubes and Nanographene Ribbons

    Investigations of diffusive-ballistic heat conduction of finite-length single- walled carbon nanotubes and nanographene ribbons at room temperature have been carried out by using non-equilibrium molecular dyna...

    Junichiro Shiomi, Shigeo Maruyama in International Journal of Thermophysics (2010)

  17. No Access

    Article

    Molecular Dynamics Simulations of Diffusive-Ballistic Heat Conduction in Carbon Nanotubes

    Heat conduction of finite-length single-walled carbon nanotubes (SWNTs) has been studied by means of non-equilibrium molecular dynamics (MD) simulations. The length-dependence of the thermal conductivity was q...

    Junichiro Shiomi, Shigeo Maruyama in MRS Online Proceedings Library (2007)