Conferences

M. Onishi, I. Saito, K. Komiyama, K. Takeno, W. Miyazaki, T.Ebisudani, T. Masuzawa, A. T.T Koh, D. H.C. Chua, T. Yamada, N. Sano, Y. Mori, K. Ogawa, Y. Takakuwa, K. Okano
"Characterization of Amorphous Selenium p-n Junction Fabricated Using Bidirectional Electrolysis in NaCl aq."
ACSIN-12 & ICSPM21, Tsukuba, Japan (2013.11)

T. Masuzawa, I. Saito, M. Onishi, T.Ebisudani, T. Yamada, K. Okano
"A high-sensitivity photodetector made of amorphous selenium and diamond cold cathode"
ACSIN-12 & ICSPM21, Tsukuba, Japan (2013.11)

T. Masuzawa, M. Onishi, I. Saito, T. Ebisudani, T. Yamada, S. Ogawa, Y Takakuwa, T Nakamura, Y. Iwai, T. Shimosawa, K. Okano
"Quantum efficiency of a-Se based photodetector driven by diamond cold cathode",
2013 JSAP-MRS Joint Symposia, Kyoto, Japan (2013.9)

I. Saito, M. Onishi, K. Komiyama, T. Masuzawa, A. T.T. Koh, D. H.C. Chua, T. Yamada, M. Overend, K. Soga, Y. Mori, N. Sano, G. A.J. Amaratunga, K. Okano,
"Simplification of Amorphous Selenium based Photovoltaic Device Fabrication through Aerosol Deposition Method and Electrochemical Doping",
The 25th International Conference on Amorphous and Nano-crystalline Semiconductors, Toronto, Canada (2013.8)

T. Masuzawa, I. Saito, M. Onishi, T. Ebisudani, A. T.T. Koh, D. H.C. Chua, T. Yamada, S. Ogawa, Y. Takakuwa, T. Shimosawa, K. Okano,
"High Sensitivity Photodetector Made of Amorphous Selenium and Diamond Cold Cathode",
The 25th International Conference on Amorphous and Nano-crystalline Semiconductors, Toronto, Canada (2013.8)

T. Masuzawa, M. Onishi, I. Saito, T. Yamada, S. Ogawa, Y. Takakuwa, A.T.T. Koh, D.H.C. Chua, T. Nakamura, Y. Iwai, Y. Mori, T. Shimosawa, K. Okano,
"a-Se Based Wide Wave-range Photodetector Driven by Diamond Cold Cathode",
26th International Vacuum Nanoelectronics Conference, Roanoke VA, U.S.A. (2013.7)

I. Saito, I. Takahashi, M. Onishi, T. Masuzawa, T. Yamada, K. Okano,
"Characterisation of aerosol deposited selenium thin films for photovoltaic applications",
The 60th JSAP Spring Meeting, Kanagawa, Japan (2013.3)

T. Masuzawa, M. Onishi, I. Saito, T. Yamada, K. Okano,
"a-Seとダイヤモンド冷陰極を用いた広帯域光検出器",
The 60th JSAP Spring Meeting, Kanagawa, Japan (2013.3)

M. Onishi, K. Komiyama, K. Takeno, I. Saito, W. Miyazaki, T. Masuzawa, A. T.T. Koh, D. H.C. Chua, N. Sano, K. Okano,
"Characterization of a-Se p-n junction fabricated using electrolysis in NaCl aq",
Institute of Electrical and Electronics Engineers, International Nanoelectronics Conference, Sentosa, Singapore (2013.1)

[Invited] K. Okano, T. Masuzawa, I. Saito, T. Yamada,
"Development of a high sensitivity photodetector using amorphous selenium and diamond cold cathode",
Institute of Electrical and Electronics Engineers, International Nanoelectronics Conference, Sentosa, Singapore (2013.1)

T. Masuzawa, S. Kuniyoshi, M. Onishi, R. Kato, I. Saito, T. Yamada, T. Shimosawa, K. Okano,
"Signal multiplication in amorphous selenium based photodetector driven by diamond cold cathode",
Material Research Society 2012 Fall Meeting, Boston, U.S.A. (2012.11)

I. Saito, M. Onishi, I. Takahashi, T. Masuzawa, T. Yamada, A. T.T. Koh, D. H.C. Chua, M. Overend, K. Soga, Y. Mori, K. Okano,
"Characterisation of aerosol deposited selenium thin films for photovoltaic applications",
Material Research Society 2012 Fall Meeting, Boston, U.S.A. (2012.11)

T. Masuzawa, S. Kuniyoshi,M. Onishi, R. Kato, I. Saito, T. Yamada, A.T.T. Koh, D.H.C. Chua, T. Shimosawa, K. Okano,
"Amorphous selenium-based high sensitivity photodetector driven by diamond cold cathode",
Irago Conference 2012, Irago Japan (2012.11)

I. Saito, M. Onishi I. Takahashi, T. Masuzawa, T. Yamada, A.T.T. Koh, D.H.C. Chua, M. Overend, K. Soga, Y. Mori, K. Okano,
"Aerosol deposition of selenium thin films for energy generating smart glass",
Irago Conference 2012, Irago Japan (2012.11)

T. Masuzawa, S. Kuniyoshi, M. Onishi, I. Saito, A. T.T Koh, D. H.C. Chua, T. Yamada, K. Okano,
"Carrier multiplication in a photodetector driven by diamond cold cathode",
25th International Vacuum Nanoelectronics Conference, Jeju, Korea (2012.7)

I. Saito, M. Onishi, K. Komiyama, Y. Kudo, T. Masuzawa, R. Kato, T. Yamada, D. Chua, A. Koh, K. Okano,
"アモルファスセレンへの不純物添加:飛行時間二次イオン質量分析 及び,ラマン分光法による結晶評価",
The 59th JSAP Spring Meeting, Tokyo (2012.3)

T. Masuzawa, R. Kato, M. Onishi, Y. Kudo, I. Saito, T. Yamada, K. Okano,
"ダイヤモンド冷陰極を用いた紫外光検出器の試作",
The 59th JSAP Spring Meeting, Tokyo, Japan (2012.3)

T. Yamada, C. Nebel, Y. Kudo, T. Masuzawa, K. Okano,
"水素終端n型ダイヤモンド表面からの電界電子放出機構",
9th Vacuum Nano-electronics Symposium, Osaka, Japan (2012)

T. Yamada, M. Hasegawa, C. E. Nebel, Y. Kudo, T. Masuzawa, K. Okano,
"負の電子親和力を有するn型半導体ダイヤモンドからの電界電子放出機構",
9th Vacuum Nano-electronics Symposium, Osaka, Japan (2012)

M. Onishi, I. Saito, K. Komiyama, W. Miyazaki, T. Masuzawa, Y. Kudo, A. Koh, D. Chua, K. Soga, M. Overend, M. Aono, G. A.J. Amaratunga, and K. Okano,
"An amorphous selenium based UV sensitive photovoltaic device fabricated through electrolysis",
The Asia-Pacific Interdisciplinary Research Conference 2011, Toyohashi, Japan (2011.11)

T. Masuzawa, R. Kato, M. Onishi, Y. Kudo, I. Saito, T. Yamada and K. Okano,
"Ultraviolet Photodetector Driven by Diamond Cold Cathode",
The Asia-Pacific Interdisciplinary Research Conference 2011, Toyohashi, Japan (2011.11)

[Invited] K. Okano, I. Saito and G. A. J. Amaratunga,
"Fabrication of amorphous selenium (a-Se) pn junction using electrolysis",
Institute of Electrical and Electronics Engineers, International Nanoelectronics Conference, Taoyuan, Taiwan (2011.6)

T. Masuzawa, R. Kato, M. Onishi, Y. Kudo, I. Saito, T. Yamada and K. Okano,
"Ultraviolet Photodetector Driven by Diamond Cold Cathode",
Material Research Society 2011 Fall Meeting, Boston, U.S.A. (2011.11-12)

T. Yamada, M. Hasegawa, C. E. Nebel, Y. Kudo, T. Masuzawa and K. Okano,
"Field Emission Mechanism of H-Terminated n-Type Diamond NEA Surface",
Material Research Society 2011 Fall Meeting, Boston, U.S.A. (2011.11-12)

T. Yamada, M. Hasegawa, C. Nebel, T. Masuzawa, Y. Kudo, K. Okano,
"Field emission mechanism of n-type semiconducting diamond with negative electron affinity",
International Vacuum Nanoelectronics Conference 2011, Vuppertal, Germany (2011.7)

T. Masuzawa, Y, Kudo, Y. Sato, I. Saito, T. Yamada, A. T. T. Koh, D. H. C. Chua, T. Yoshino, W. J. Chun, S. Yamasaki and K. Okano,
"Field Emission Mechanism of Nitrogen-doped Diamond with Different C-N Concentration",
Material Research Society 2011 Spring Meeting, San Francisco, U.S.A. (2011.4)

T. Yamada, M. Hasegawa, Y. Kudo, M. Masuzawa, C. E. Nebel, K. Okano and T. Taniguchi,
Field emission properties from n-type semiconductors with NEA",
Japan Korea Vacuum Nanoelecronics Symposium, Seoul, Korea (2011)

T. Yamada, M. Hasegawa, Y. Kudo, T. Masuwaza, K. Okano,
"n型ダイヤモンド負の電子親和力表面からの電界電子放出機構",
72th JSAP Autumn Meeting, Yamagata, Japan (2011.8-9)

T. Masuzawa, M. Onishi, R. Kato, W. Miyazaki, I. Takahashi, K. Okano,
"Ultraviolet photodetector using a-Se anode and diamond cold cathode",
International Vacuum Nanoelectronics Conference 2011, Vuppertal, Germany (2011.7)

I. Saito, W. Miyazaki, M. Onishi, Y. Kudo, T. Masuzawa, T. Yamada, A. Koh, D. Chua, K. Soga, M. Overend, M. Aono, G. Amaratunga, K. Okano,
"Transparent UV solar cells utilizing simply fabricated amophous selenium p-n junction",
Material Research Society 2011 Spring Meeting, San Francisco, U.S.A. (2011.4)

T. Masuzawa, Y. Kudo, Y. Sato, I. Saito, T. Yamada, A. T.T. Koh, D. H.C. Chua, T. Yoshino, W.J. Chun, S. Yamasaki, K. Okano,
"Field emission mechanism of nitrogen-doped diamond with different C-N concentration",
Material Research Society 2011 Spring Meeting, San Francisco, U.S.A. (2011.4)

T. Yamada, M. Hasegawa, C. Nebel, H. Yamaguchi, T. Masuzawa, Y. Kudo, K. Okano,
"負の電子親和力を有するn型半導体ダイヤモンドからの電界電子放出機構",
IEICE Meeting, Kyoto, Japan (2010)

K. Okano,
"Electron emission mechanism of diamond characterised by XPS/UPS/FES",
2nd IEEE International Nanoelectronics Conference, Shanghai, China (2008.3)