Ryoji Funahashi mostly deals with Thermoelectric effect, Seebeck coefficient, Electrical resistivity and conductivity, Thermal conductivity and Thermoelectric materials. His studies in Thermoelectric effect integrate themes in fields like Oxide, Doping, Ceramic and Analytical chemistry. His Oxide study combines topics from a wide range of disciplines, such as Optoelectronics and Contact resistance.
The various areas that Ryoji Funahashi examines in his Seebeck coefficient study include Electronic structure, Condensed matter physics and Thermal. His studies deal with areas such as Figure of merit and Mineralogy as well as Electrical resistivity and conductivity. The concepts of his Thermoelectric materials study are interwoven with issues in Single crystal and Nanotechnology.
His primary scientific interests are in Thermoelectric effect, Seebeck coefficient, Electrical resistivity and conductivity, Analytical chemistry and Oxide. His Thermoelectric effect research integrates issues from Thermal conductivity, Figure of merit and Mineralogy. Ryoji Funahashi focuses mostly in the field of Seebeck coefficient, narrowing it down to topics relating to Condensed matter physics and, in certain cases, Crystal structure and Whiskers.
His work deals with themes such as Doping, Sintering, Metallurgy, Ceramic and Atmospheric temperature range, which intersect with Electrical resistivity and conductivity. His research in Analytical chemistry tackles topics such as Phase which are related to areas like Crystal. His Oxide research includes elements of Internal resistance, Composite material, Chemical engineering and Power density.
His primary areas of study are Thermoelectric effect, Thermoelectric generator, Oxide, Seebeck coefficient and Electrical resistivity and conductivity. Ryoji Funahashi mostly deals with Thermoelectric materials in his studies of Thermoelectric effect. His Thermoelectric generator research incorporates themes from Durability, Silicide, Power density, Energy conversion efficiency and Electricity generation.
While the research belongs to areas of Oxide, Ryoji Funahashi spends his time largely on the problem of Chemical engineering, intersecting his research to questions surrounding Doping, Nickel and Intercalation. His biological study spans a wide range of topics, including Metallurgy and Phase. In his work, Electrical conduction, Figure of merit, Tetragonal crystal system and Perovskite is strongly intertwined with Mineralogy, which is a subfield of Analytical chemistry.
Ryoji Funahashi mainly investigates Thermoelectric effect, Analytical chemistry, Oxide, Thermoelectric generator and Seebeck coefficient. His study in Thermoelectric effect focuses on Thermoelectric materials in particular. Ryoji Funahashi combines subjects such as Spark plasma sintering and Crystallography, Crystal structure, Crystallite with his study of Thermoelectric materials.
His research investigates the connection between Analytical chemistry and topics such as Phonon scattering that intersect with problems in Tetragonal crystal system, Mineralogy, Orthorhombic crystal system, Doping and Perovskite. His study in Thermoelectric generator is interdisciplinary in nature, drawing from both Layer, Composite material, Silicide and Power density. His Seebeck coefficient study is concerned with the larger field of Electrical resistivity and conductivity.
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An Oxide Single Crystal with High Thermoelectric Performance in Air
Ryoji Funahashi;Ichiro Matsubara;Hiroshi Ikuta;Tsunehiro Takeuchi.
Japanese Journal of Applied Physics (2000)
Electrical and thermal properties of single-crystalline (Ca2CoO3)0.7CoO2 with a Ca3Co4O9 structure
Masahiro Shikano;Ryoji Funahashi.
Applied Physics Letters (2003)
Oxide Thermoelectric Materials: A Nanostructuring Approach
Kunihito Koumoto;Yifeng Wang;Ruizhi Zhang;Atsuko Kosuga.
Annual Review of Materials Research (2010)
Complex Oxide Materials for Potential Thermoelectric Applications
Kunihito Koumoto;Ichiro Terasaki;Ryoji Funahashi.
Mrs Bulletin (2006)
High temperature thermoelectric properties of oxide Ca9Co12O28
Siwen Li;Ryoji Funahashi;Ichiro Matsubara;Kazuo Ueno.
Journal of Materials Chemistry (1999)
Thermoelectric properties of Bi2Sr2Co2Ox polycrystalline materials
Ryoji Funahashi;Ichiro Matsubara;Satoshi Sodeoka.
Applied Physics Letters (2000)
Bi2Sr2Co2Oy whiskers with high thermoelectric figure of merit
Ryoji Funahashi;Masahiro Shikano.
Applied Physics Letters (2002)
Oxide thermoelectrics: The challenges, progress, and outlook
Jian He;Yufei Liu;Ryoji Funahashi.
Journal of Materials Research (2011)
Thermoelectrical properties of A-site substituted Ca1- xRexMnO3 system
D. Flahaut;T. Mihara;R. Funahashi;N. Nabeshima.
Journal of Applied Physics (2006)
Thermoelectric properties of the Bi- and Na-substituted Ca3Co4O9 system
Gaojie Xu;Ryoji Funahashi;Masahiro Shikano;Ichiro Matsubara.
Applied Physics Letters (2002)
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