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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| ED | 2023-12-07 13:50 |
Aichi | WINC AICHI | Development of planar type electron emission device using graphene/h-BN/Si structure Katsuhisa Murakami, Hiromasa Murata, Masayoshi Nagao (AIST), Masahiro Sasaki, Yoichi Yamada (Univ. Tsukuba)  ED2023-39 |
[more] | ED2023-39 pp.5-7 |
| ED | 2023-12-07 15:15 |
Aichi | WINC AICHI | Calculating the emission pattern of carbon nanotubes
-- Comparison of time-dependent density functional theory and density functional theory -- Toshiharu Higuchi, Yoichi Yamada, Masahiro Sasaki (Univ. of Tsukuba) ED2023-42 |
We are investigating methods to calculate the emission current pattern of carbon nanotubes. We calculated emission curre... [more] | ED2023-42 pp.15-18 |
| ED | 2022-12-09 15:00 |
Aichi | 12/8 Nagoya University, 12/9 WINC AICHI | Ab initio calculations of field emission from carbon nanotubes based on time-dependent density functional theory Toshiharu Higuchi, Yoichi Yamada, Masahiro Sasaki (Tsukuba Univ.) ED2022-67 |
In order to investigate the emission mechanism of carbon nanotubes (CNTs)，we calculated the field emission currents of 9... [more] | ED2022-67 pp.55-58 |
| ED | 2019-11-21 13:25 |
Tokyo | Field emission current from carbon nanotubes calculated by time-dependent density functional theory Toshiharu Higuchi, Yoichi Yamada, Masahiro Sasaki (Tsukuba Univ.) ED2019-60 |
We calculated the field emission current of three types of carbon nanotubes; (5,5) armchair, (9,0) zigzag and (7,0) zigz... [more] | ED2019-60 pp.5-8 |
|
| ED | 2019-11-22 12:05 |
Tokyo | Planar-type electron source based on a graphene/h-BN heterostructure Tomoya Igari (Univ. of Tsukuba/AIST), Masayoshi Nagao (AIST), Kazutaka Mitsuishi (NIMS), Masahiro Sasaki, Yoichi Yamada (Univ. of Tsukuba), Katsuhisa Murakami (AIST/Univ. of Tsukuba) ED2019-75 |
In this study, a novel planar-type electron emission device based on atomic layer materials of graphene/$h$-BN heterostr... [more] | ED2019-75 pp.63-66 |
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| ED | 2018-10-24 16:25 |
Tokyo | Field emission patterns from carbon nanotubes calculated by time-dependent density functional theory Higuchi Toshiharu, Yoichi Yamada, Masahiro Sasaki (Uni. of Tsukuba) ED2018-31 |
We calculated the field emission patterns of various types of carbon nanotubes (CNTs)．Regarding the near field regime，em... [more] | ED2018-31 pp.21-24 |
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| ED | 2017-10-26 13:30 |
Miyagi | High efficiency planar-type electron emission devices using graphene electrode operable in low vacuum pressure and low voltage conditions Katsuhisa Murakami (AIST), Ryo Furuya (Yokohama National Univ.), Takuya Iijima (Univ. Tsukuba), Masayoshi Nagao (AIST), Yoshihiro Nemoto, Masaki Takeguchi (NIMS), Yoshinori Takao (Yokohama National Univ.), Yoichi Yamada, Masahiro Sasaki (Univ. Tsukuba) ED2017-36 |
[more] | ED2017-36 pp.1-4 |
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| ED | 2017-10-27 09:30 |
Miyagi | Ab initio calculations of field emission from carbon emitters on the basis of time-dependent density functional theory (Ⅲ) Toshiharu Higuchi, Masahiro Sasaki, Yoichi Yamada (Univ. of Tsukuba) ED2017-44 |
To clarify the origin of the superior field emission characteristics of carbon emitters, we have estimated the emission ... [more] | ED2017-44 pp.35-38 |
|
| ED | 2016-10-25 15:45 |
Mie | Ab initio calculations of field emission from carbon emitters on the basis of time-dependent density functional theory (II) Toshiharu Higuchi, Masahiro Sasaki, Yoichi Yamada (Univ. of Tsukuba) ED2016-48 |
To clarify the origin of the superior field emission characteristics of carbon emitters, we have estimated the emission ... [more] | ED2016-48 pp.21-26 |
|
| ED | 2016-10-26 11:25 |
Mie | Trials to Clarify the Mechanism of Low Field Emission from Carbon-related Materials
-- Through Field Emission from Vacuum Arc-Prepared Carbon Films and C60 -- Masahiro Sasaki, Yoichi Yamada, Toshiharu Higuchi, Ken Asanagi, Manabu Adachi, Yuji Nishiyama, Takuma Mojin (U. of Tsukuba) ED2016-55 |
From some sorts of carbon-related materials, we have sometimes observed a onset applied field much smaller than that exp... [more] | ED2016-55 pp.57-62 |
|
| ED | 2015-10-23 09:25 |
Aichi | Ab initio calculations of field emission from carbon emitters on the basis of time-dependent density functional theory (I) Toshiharu Higuchi, Masahiro Sasaki, Yoichi Yamada (Tsukuba Univ.) ED2015-62 |
To clarify the origin of the superior field emission characteristics of carbon emitters, we have been investigating the ... [more] | ED2015-62 pp.41-46 |
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| ED | 2014-10-21 13:30 |
Hokkaido | Hokkaido Univ. (Faculty House Trillium) | On the mechanism of enhancement on field emission properties for carbon coated field emitters (Part-3) Toshiharu Higuchi, Masahiro Sasaki, Shota Horie, Yoichi Yamada (Tsukuba Univ.), Shuji Matsumoto, Shigeki Fukuda (KEK) ED2014-62 |
To clarify the origin of the superior field emission characteristics of carbon-coated emitters, we have been investigati... [more] | ED2014-62 pp.1-6 |
| ICM | 2014-03-14 10:50 |
Okinawa | Connectivity and Route Confirmation Method for OpenFlow-based Virtual Networks Junichi Otsuka, Takaharu Omi, Seiji Oyama, Sayumi Hasegawa, Youichi Yamada (NTT COMWARE) ICM2013-64 |
Recently, OpenFlow has attracted attention as a leading SDN implementation method in network industries. OpenFlow enable... [more] | ICM2013-64 pp.75-80 |
|
| ED | 2013-10-22 16:55 |
Hokkaido | Enreisou, Hokkaido Univ. | On the mechanism of enhancement on field emission properties for carbon coated field emitters (Part-2) Toshiharu Higuchi, Masahiro Sasaki, Shota Horie, Yoichi Yamada (Univ. of Tsukuba), Shuji Matsumoto, Shigeki Fukuda (KEK) ED2013-56 |
[more] | ED2013-56 pp.23-28 |
| ICM | 2013-03-15 10:00 |
Kagoshima | Yakushima Environmental Culture Village Center | A dynamic allocation method for network functions using OpenFlow Haiying Jiang, Hirokazu Kawahara, Takehiko Watanabe, Youichi Yamada (NTT COMWARE) ICM2012-66 |
[more] | ICM2012-66 pp.41-46 |
| ICM, LOIS | 2013-01-18 14:10 |
Saga | [Encouragement Talk]
A Total Optimization Method for Network Quality Using Flow Control Considering Service Priority Kei Yamada, Takaharu Omi, Hirokazu Kawahara, Haiying Jiang, Youichi Yamada (NTT COMWARE) ICM2012-58 LOIS2012-68 |
In recent years, SDN (Software Defined Network) technology has been the focus of attention. In SDN, the technologies whi... [more] | ICM2012-58 LOIS2012-68 pp.121-126 |
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| ED | 2012-11-19 14:00 |
Osaka | Osaka Univ. Nakanoshima Center | On the mechanism of enhancement on field emission properties for carbon coated field emitters Toshiharu Higuchi, Masahiro Sasaki, Toshihiro Endo, Shota Horie, Yoichi Yamada (Tsukuba Univ.), Shuji Matsumoto, Shigeki Fukuda (KEK) ED2012-54 |
To clarify the origin of the superior FE characteristics of carbon coated emitters, we investigated the field enhancemen... [more] | ED2012-54 pp.1-6 |
| ICM | 2012-03-16 14:20 |
Okinawa | Dan-jo Kyoudou Sankaku Center | A Study of Routing Algorithm Based on Users' Subjective Quality Takaharu Omi, Kimiyoshi Yamazaki, Takehiko Watanabe, Haiying Jiang, Youichi Yamada (NTT-CW) ICM2011-65 |
Route search methods, applied in existing routing protocols, select the best route based on metrics of network quality, ... [more] | ICM2011-65 pp.101-106 |
| ICM | 2012-03-16 14:40 |
Okinawa | Dan-jo Kyoudou Sankaku Center | A Total Optimization Method for Network Quality Using Flow Control Kimiyoshi Yamazaki, Takaharu Omi, Takehiko Watanabe, Haiying Jiang, Youichi Yamada (NTT-CW) ICM2011-66 |
Recently, SDN (Software Defined Network) is one of the issues of the networking. SDN uses a technique such as Openflow t... [more] | ICM2011-66 pp.107-112 |
| ICM, CQ, NS (Joint) |
2011-11-10 08:50 |
Aomori | Hirosaki University | Locating a Fault Point Using the Statistics on SIP Signal Kimiyoshi Yamazaki, Hirokazu Kawahara, Takaharu Omi, Youichi Yamada (NTT-CW) ICM2011-20 |
In a SIP network, it requires not only the equipment monitoring but also the application-layer monitoring for its operat... [more] | ICM2011-20 pp.1-6 |
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