Naoto Kodaira

Tohoku University

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Masahiko Ogura

National Institute of Advanced Industrial Science and Technology

Satoshi Yamasaki

Kanazawa University

K. Hayashi

Tohoku University

Shien Ri

National Institute of Advanced Industrial Science and Technology

Yuzuru Miyazaki

Tohoku University

Kazuro Murayama

Nihon University

Hideyo Okushi

National Institute of Advanced Industrial Science and Technology

Daisuke Takeuchi

National Institute of Advanced Industrial Science and Technology

T. Makino

Resonac (Japan)

T. Kubo

Nihon University

Cooperative Institutions

National Institute of Advanced Industrial Science and Technology

Tohoku University

Kyoto University

Kanazawa University

Photonics Electronics Technology Research Association

Japan Science and Technology Agency

Spintronics Research Network of Japan

Research Institutue of Evolutionary Biology

Tokyo Institute of Technology

Centre for Research in Engineering Surface Technology

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Structure due to indirect exciton in photocurrent spectrum of homoepitaxial diamond film

Solid State Communications (2004)

Kazuro Murayama Naoto Kodaira T. Makino Masahiko Ogura Shien Ri

Photocurrent

Photon energy

Absorption edge

10.1016/j.ssc.2004.11.048

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Citations (3)

Temperature evolution of photocurrent spectra in undoped and boron-doped homoepitaxial CVD diamond film

Diamond and Related Materials (2006)

Kazuro Murayama Naoto Kodaira Toshiharu Makino T. Kubo Masahiko Ogura

Photocurrent

Photoconductivity

Photon energy

10.1016/j.diamond.2005.11.033

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Citations (7)

Design and evaluation of Fe 2 VAl 0.9 Al 0.1 /Cu tilted-multilayer thermoelectric device

The Japan Society of Applied Physics (2017)

Naoto Kodaira Y. Oide K. Hayashi Yuzuru Miyazaki

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Design and power generation of tilted Cu/Fe2V(Al0.9Si0.1) multilayers via the transverse thermoelectric effect

Journal of Applied Physics (2019)

Naoto Kodaira Yuzuru Miyazaki K. Hayashi

We have conducted a computer simulation of thermoelectric (TE) properties in tilted Cu/Fe2V(Al0.9Si0.1) multilayers. Such a tilted configuration yields a transverse (off-diagonal) TE effect whereby an electric current can flow perpendicularly to the temperature gradient. Appropriately controlling the relative Cu thickness and the tilting angle realizes a higher power factor than that of the parent TE materials. In our multilayers, the estimated power factor exceeds 8mW/K2m, being approximately three times higher than that of the parent TE materials. On the basis of the simulation results, we have fabricated several modules and achieved a maximum power of 4.83 mW in the module with a relative Cu thickness of 0.7 and a tilting angle of 30°.

Temperature Gradient

10.1063/1.5103226

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Citations (7)