scholarly journals An international interdisciplinary graduate school in laser and material science

2009 ◽  
Author(s):  
Evelyne Fargin ◽  
Laurent Sarger ◽  
Malte Kaluza ◽  
Stefan Nolte ◽  
Martin Richardson ◽  
...  
Keyword(s):  
Graduate School ◽  
Material Science

scholarly journals Molecular conductors composed from Organic-Transistor Materials

Impact ◽  
2020 ◽  
Vol 2020 (4) ◽  
pp. 38-39
Author(s):  
Tomofumi Kadoya
Keyword(s):  
Graduate School ◽  
Material Science ◽  
Assistant Professor ◽  
Organic Transistors ◽  
Chemical Doping ◽  
Molecular Conductors ◽  
Organic Transistor ◽  
The Many ◽  
The University ◽  
Ct Complexes

Assistant Professor Tomofumi Kadoya is part of a team within the Graduate School of Material Science at the University of Hyogo in Japan. He is engaged with a range of different investigations related to conductive organic materials. One of the main focuses of Kadoya's research is organic transistors and organic charge-transfer (CT) complexes. CT complexes achieve conductivity by chemical doping but in organic transistors, conduction carriers are generated by field effect, where an electric field is used to control the flow of current. Among the many goals of the research, Kadoya and his team want to increase the methods and types of organic doping.

scholarly journals An international Interdisciplinary Graduate School in Laser and Material science

2009 ◽  
Author(s):  
Evelyne FARGIN ◽  
Laurent SARGER ◽  
Malte KALUZA ◽  
Stefan NOLTE ◽  
Martin RICHARDSON-CREOL ◽  
...  
Keyword(s):  
Graduate School ◽  
Material Science

scholarly journals Functional Material Science Group, Department of Applied Chemistry, Graduate School of Engineering, Kyushu University

Seikei-Kakou ◽  
2013 ◽  
Vol 25 (6) ◽  
pp. 268-272
Author(s):  
Yukari Oda ◽  
Atsuomi Shundo ◽  
Daisuke Kawaguchi ◽  
Hisao Matsuno ◽  
Keiji Tanaka
Keyword(s):  
Graduate School ◽  
Material Science ◽  
Functional Material ◽  
Applied Chemistry ◽  
Science Group

Application of electron holography to material science studies on magnetic domain states of small particles

1993 ◽  
Vol 51 ◽  
pp. 1028-1029
Author(s):  
T. Hirayama ◽  
Q. Ru ◽  
T. Tanji ◽  
A. Tonomura
Keyword(s):  
Magnetic Field ◽  
Material Science ◽  
Science Studies ◽  
Phase Distribution ◽  
Carbon Film ◽  
Objective Lens ◽  
Electron Holography ◽  
Transform Method ◽  
Transmission Electron ◽  
Thin Carbon

The observation of small magnetic materials is one of the most important applications of electron holography to material science, because interferometry by means of electron holography can directly visualize magnetic flux lines in a very small area. To observe magnetic structures by transmission electron microscopy it is important to control the magnetic field applied to the specimen in order to prevent it from changing its magnetic state. The easiest method is tuming off the objective lens current and focusing with the first intermediate lens. The other method is using a low magnetic-field lens, where the specimen is set above the lens gap.Figure 1 shows an interference micrograph of an isolated particle of barium ferrite on a thin carbon film observed from approximately [111]. A hologram of this particle was recorded by the transmission electron microscope, Hitachi HF-2000, equipped with an electron biprism. The phase distribution of the object electron wave was reconstructed digitally by the Fourier transform method and converted to the interference micrograph Fig 1.

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