Go Nakamoto Assistant Professor
School of Materials Science(Department of Materials Science・Materials Characterization and Device)
■Degrees
B.S.Ehime University (1991),M.S. Hiroshima University (1993),Ph. D. from Hiroshima University(1996)
■Specialties
Crystal Growth of Solids, Solid State Physics, Thermoelectoric materials
■Research Keywords
thermoelectric materials, magnetic properties of rare-earth compounds
■Research Interests
Single crystal growth and magnetic, transport and thermal properties under extreme condition of rare earth compounds For recent years, intermetallic compounds including rare earth elements ( especially Cerium, Samarium, Europium and Ytterbium ) have attracted much attention because of their anomalous physical properties such as heavy fermion, valence fluctuation and dense Kondo effect. These anomalous physical properties are thought to arise from the interaction between 4f electron of rare earth ion and ligand conduction electrons. Therefore, it is expected that their physical properties are very sensitive to the application of pressure and magnetic field. We are trying to measure magnetic, transport and thermal properties under extreme conditions in order to make clear the origin of anomalous physical properties. Development and optimization of thermoelectric materials at low temperature Recently, thermoelectric materials have been much interest as new and clean energy conversion materials. We focus on development and optimization of new thermoelectric materials for low-temperature usage. Our purpose is to optimize thermoelectric properties at low temperature by substitution of constituent elements, impurity doping and improvement of preparation method.
■Publications
◇Published Papers
- Preparation of the crack-free single phase of (Zn1-xCdx)13Sb10 by a gradient freeze method and their structural and thermoelectric properties,G. Nakamoto, Y. Tajima, M. Kurisu,Intermetallics,23,163-168,2012
- Spatial distribution of the Seebeck coefficient in Zn13Sb10 determined by a Seebeck microprobe measurement system,Go Nakamoto, Makio Kurisu,Journal of Electronic Materials,38,7,916-919
- Correlation between structural and low-temperature thermoelectric properties of Zn13+xSb10 compounds,Go Nakamoto, Keisuke Kinoshita, Makio Kurisu,Journal of Applied Physics,105,013713,2009/01
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◇Lectures and Presentations
- Development of measurement system for the figure of merit in high temperature region,H. Iwasaki, T. Yamamoto, H. Kim, G. Nakamoto,The 31th International Conference of Thermoelectrics,Aalborg, Denmark,July 9th-12th, 2012
- Fabrication of probe tips for a Seebeck micro-probe measurement system,G. Nakamoto, Y. Nakabayashi,The 31th International Conference of Thermoelectrics,Aalborg, Denmark,July 9th-12th, 2012
- Spatial Distribution of Seebeck Coefficient in Zn13Sb10 Determined by Seebeck Micro-Probe Measurement System,Go Nakamoto, and Makio Kurisu,International Conference on Thermoelectrics,Corvallis, Oregon, USA,Aug. 3-7, 2008.
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■Extramural Activities
◇Academic Society Affiliations
- The Thermoelectrics Society of Japan,2011-
- The Japanese Sciety of Applied Physics,2002-
- The Japanes Society for Neutron Science,2001-
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