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Home > Introduction of our tenure-track faculties > Hori Takuma

Introduction of our tenure-track faculties

Hori Takuma

Affiliation Institute of Engineering
Division Division of Advanced Mechanical Systems Engineering
Research field Thermal Engineering
Keyword(S) Heat Transfer, Energy Conversion
Research experience

・Apr. 2012 - Mar. 2015:JSPS Research Fellow of the Japan Society for the Promotion (DC1) at The University of Tokyo
・Apr. 2015 - Jul. 2015:Postdoctoral Researcher at The University of Tokyo
・Aug. 2015 - Feb. 2016:Postdoctoral Researcher at National Institute of Advanced Industrial Science and Technology
・Mar. 2016 - Feb. 2018:Postdoctoral Researcher at The University of Tokyo
・Apr. 2018 - Feb.2019:Assistant Professor at Tokyo University of Science
・Mar. 2018 - Present:Associate Professor at Tokyo University of Agriculture and Technology

Educational background

・2010:Batchelor degree at Dept. Mech. Eng., The University of Tokyo
・2012:Master degree at Dept. Mech. Eng., The University of Tokyo
・2015:Ph. D degree at Dept. Mech. Eng., The University of Tokyo


・2012:Dean Award

Selected papers and publications

・Takuma Hori, Takuma Shiga, Junichiro Shiomi, "Phonon transport analysis of silicon germanium alloys using molecular dynamics simulations", Journal of Applied Physics, 113, 203514 (2013).
・Sho Hida, Takuma Hori, Takuma Shiga, James Elliott, Junichiro Shiomi, "Thermal resistance and phonon scattering at the interface between carbon nanotube and amorphous olyethylene", International Journal of Heat and Mass Transfer, 67, 1024 (2013).
・Takuma Hori, Gang Chen, Junichiro Shiomi, "Thermal conductivity of bulk nanostructured lead telluride", Applied Physics Letters, 104, 021915 (2014).
・Yoshiaki Nakamura, Masayuki Isogawa, Tomohiro Ueda, Shuto Yamasaka, Hideki Matsui, Jun Kikkawa, Satoaki Ikeuchi, Takafumi Oyake, Takuma Hori, Junichiro Shiomi, Akira Sakai, "Anomalous reduction of thermal conductivity in coherent nanocrystal architecture for silicon thermoelectric material", Nano Energy, 12, 845 (2015).
・Takuma Hori, Junichiro Shiomi, Chris Dames, "Effective phonon mean free path in polycrystalline nanostructures", Applied Physics Letters, 106, 171901 (2015).
・Masahiro Nomura, Yuta Kage, Junki Nakagawa, Takuma Hori, Jeremie Maire, Junichiro Shiomi, Dominik Moser, Oliver Paul, "Impeded thermal transport in Si multiscale hierarchical architectures with phononic crystal nanostructures", Physical Review B, 91, 205422 (2015).
・Junki Nakagawa, Yuta Kage, Takuma Hori, Junichiro Shiomi, Masahiro Nomura, ""Crystal structure dependent thermal conductivity in two-dimensional phononic crystal nanostructures"", Applied Physics Letters, 107, 023104 (2015).
・Anuj Arora, Takuma Hori, Takuma Shiga, Junichiro Shiomi, "Thermal rectification in restructured graphene with locally modulated temperature dependence of thermal conductivity", Physical Review B, 96, 165419 (2017).
・Takuma Hori, Takafumi Kamino, Yuta Yoshimoto, Shu Takagi, Ikuya Kinefuchi, "Mutual influence of molecular diffusions in gas and surface phases", Physical Review E, 97, 013101 (2018).
・Takuma Hori, Junichiro Shiomi, "Tuning phonon transport spectrum for better thermoelectric materials", Science and Technology of Advanced Materials, 20, 10, (2019).

Research Description

Thermal conduction, which is one form of heat transfer, is known to be governed by empirical Fourier's law. However, the law is not valid at nanoscale; heat transfer in nanostructured materials is suppressed. The performance of the electronic devices is limited due to this decrease in thermal conductivity. On the contrary, some of the materials for energy conversion devices are nanostructured to promote the conversion efficiency, where the thermal insulation is important. Therefore, design of the materials and devices in light of heat transfer becomes indispensable. In addition, the understanding of heat transfer phenomena at nanoscale is necessary to reveal those at macroscale.
We aim to contribute to the design of devices and materials by studying heat transfer phenomena on various scales with mainly numerical approaches. For instance, we focus on optimization of particle transport in nanostructures, elucidation of heat conduction mechanism in disordered materials, controlling of thermal conductivity of low dimensional materials such as carbon nanotubes, and verification of thermal stability of interfaces.

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About TUAT's tenure-track program

This program gives us the opportunity for young researchers to be Principal Investigator, which is not common in Japanese universities (at least now). Thanks to start-up fund, advices and helps from university researchers and staffs, the quick start of research and educational activities is ensured. In addition, the success of the tenured faculties once supported by this program encourages us a lot.

Future aspirations

I would like to educate young students for engineer or other profession who can contribute the development of our society. Through the education, I also hope to improve my own skills.