Sakama Hiroshi

J-GLOBAL         Last updated: Oct 8, 2019 at 02:41
Sakama Hiroshi
Sophia University
Faculty of Science and Technology, Department of Engineering and Applied Sciences
Job title
Research funding number


1999-1997 Reserach on surface at University of Tokyo
1997- Research on thinfilms at Sophia University

Research Areas



Apr 1979
Mar 1983
Faculty of Engineering, The University of Tokyo

Published Papers

Shimosako Naoki, Egashira Toshiki, K. Yoshino, Shimazaki Kazunori,Miyazaki Eiji, Sakama Hiroshi
Proceedings of SPIE, Systems Contamination: Prediction, Control, and Performance 2018   10748 1074810-1-1074810-8   Sep 2018   [Refereed]
Contamination outgassed from spacecraft’s materials can degrade optical devices in orbit. Therefore, solving the contamination problem is important because it influences the success of spacecraft missions. In this study, methyl red (MR) and oleamid...
Shimosako Naoki,Shimazaki Kazunori,Miyazaki Eiji,Sakama Hiroshi
Acta Astronautica   146 1-6   May 2018   [Refereed]
In low earth orbit (LEO), atomic oxygen (AO) has shown to cause degradation of organic materials used in spacecrafts. Similar to other metal oxides such as SiO2, Al2O3 and ITO, TiO2 has potential to protect organic materials. In this study, the an...
Kusano Daigo, Emori Masato, Sakama Hiroshi
Rsc Advances   7(4) 1887-1898   Jan 2017   [Refereed]
Ken-ichi Ozawa,Susumu Yamamoto,Ryu Yukawa,Iwao Matsuda[etc.]
Journal of Physical Chemistry C   120(51) 29283-29289   Dec 2016   [Refereed]
Pump-probe time-resolved X-ray photoelectron spectroscopy measurements have been carried out to comparatively assess the relaxation process of the photoexcited states on pristine and Ar+-sputtered TiO2(110) surfaces and a TiO2(011)-2 x 1 surface, ...
Decomposition of Dioctyl Phthalate (DOP) using Titanium Dioxide Photocatalyst in a Vacuum
Shimosako Naoki,Shimazaki Kazunori,Miyazaki Eiji,Sakama Hiroshi
Proceedings of SPIE Systems Contamination: Prediction, Control, and Performance 2016   9952 99520O-1-99520O-8   Sep 2016   [Refereed]