2020
FABRICATION AND EVALUATION OF LATERAL TYPE SPINVALVE JUNCTIONS COMPRISING SINGLECRYSTALLINE DIAMOND
Takeru Hamasaki, Takuya Sakai, Kazuki Aramaki, Eslam Abubakr, Hiroshi Ikenoue, Shinya Ohmagari, Ken ichiro Sakai and Tsuyoshi Yoshitake
The 22nd Cross Straits Symposium on Energy and Environmental Science and Technology (CSS-EEST), Dec 2-3, 2020, online
M11
Best Oral Presentation
FORMATION OF COLOR CENTERS IN NANODIAMONDS USING COAXIAL ARC PLASMA DEPOSITION
Shuhei Morita, Sreenath M V, Hiroya Nakahara, Ali M. Ali, Abdelrahman Zkria, Dong Wang, Nobuteru Tsubouchi, Shinya Ohmagari and Tsuyoshi Yoshitake
The 22nd Cross Straits Symposium on Energy and Environmental Science and Technology (CSS-EEST), Dec 2-3, 2020, online
M8
MECHANICAL AND STRUCTURAL PROPERTIES OF NANODIAMOND COMPOSITE FILMS DEPOSITED ON Si SUBSTRATES WITH INTERMEDIATE LAYERS
Hideki Ohue, Ali M. Ali, Mohamed Egiza, Koki Murasawa, Hiroaki Sugita, Tanja Deckert-Gaudig, Volker Deckert and Tsuyoshi Yoshitake
The 22nd Cross Straits Symposium on Energy and Environmental Science and Technology (CSS-EEST), Dec 2-3, 2020, online
M18
Impact of Plasma Etching on Morphological and Wetting Properties of Nanocrystalline
Iron Disilicide Films
Nattakorn Borwornpornmetee, Nathaporn Promros, Peerasil Charoenyuenyao,
Rawiwan Chaleawpong, Pattarapol Sittisart, Tsuyoshi Yoshitake
The 5th Asian Applied Physics Conference (Asian-APC), Nov 28-29, 2020, online
29Ea-P20 (Poster)
Fabrication of epitaxial β-FeSi2 thin films with a low residual carrier
concentration on Si(111) substrates by using co-sputtering
Junnosuke Nii, Phongsaphak Sittimart, Tsuyoshi Yoshitake, Tomohiro Yoshida
The 5th Asian Applied Physics Conference (Asian-APC), Nov 28-29, 2020, online
29Ea-P19 (Poster)
Structural, Morphological and Wettability of Fe3Si Films created by Facing Target
Pattarapol Sittisart, Nathaporn Promros, Peerasil Charoenyuenyao, Rawiwan
Chaleawpong, Nattakorn Borwornpornmetee, Tsuyoshi Yoshitake
The 5th Asian Applied Physics Conference (Asian-APC), Nov 28-29, 2020, online
29Ea-P7 (Poster)
The effect of voltages on impedance for n-type β FeSi2 / p-type Si heterojunctions
were fabricated by RF magnetron sputtering
Adison Nopparuchikun, Nathaporn Promros, Rawiwan Chaleawpong, Peerasil
Charoenyuenyao, Pattarapol Sittisart, Nattakorn Borwornpornmetee, Phongsaphak
Sittimart, Tsuyoshi Yoshitake
The 5th Asian Applied Physics Conference (Asian-APC), Nov 28-29, 2020, online
29Ea-P4 (Poster)
Magnetic structural analysis in [Fe3Si/FeSi2]20 superlattice using polarized neutron reflectivity
Takayasu HANASHIMA, Jun-ichi SUZUKI, Kazuhisa KAKURAI, Noboru MIYATA, Ken-ichiro
SAKAI, Hiroyuki DEGUCHI, Yoshiaki HARA, Satoshi TAKEICHI, Tsuyoshi YOSHITAKE
The 5th Asian Applied Physics Conference (Asian-APC), Nov 28-29, 2020, online
28Fp-5
Evaluations of Lateral-Type Spinvalve Junctions Comprising Singlecrystalline Diamond
T. Hamasaki, S. Ohmagari, K. Aramaki, T. Sakai, H. Ikenoue, K. Sakai, T. Yoshitake
The 5th Asian Applied Physics Conference (Asian-APC), Nov 28-29, 2020, online
28Ep-4
Formation of Nitrogen and Silicon Quantum Centers in Nanodiamonds using Coaxial Arc Plasma Deposition
Sreenath Mylo Valappil, Shuhei Morita, Hiroya Nakahara, Abdelrahman Zkria,
Ali Mohamed Ali, Dong Wang, Nobuteru Tsubouchi, Shinya Ohmagari, Tsuyoshi
Yoshitake
The 5th Asian Applied Physics Conference (Asian-APC), Nov 28-29, 2020, online
28Dp-12
Negative Bias Frequency Effects on Structural and Mechanical Properties
of Nanodiamond Composite Films Deposited by Coaxial Arc Plasma
Ali Mohamed Ali, Mohamed Egiza, Koki Murasawa, Hiroaki Sugita, Tsuyoshi
Yoshitake
The 5th Asian Applied Physics Conference (Asian-APC), Nov 28-29, 2020, online
28Dp-9
Quantum Centers in Nanocrystalline Diamond Prepared by Coaxial Arc Plasma Deposition
Shuhei Morita, Sreenath M V, Hiroya Nakahara, Ali M. Ali, Abdelrahman Zkria,
Dong Wang, Tsuyoshi Yoshitake, Nobuteru Tsubouchi, Shinya Ohmagari
The 5th Asian Applied Physics Conference (Asian-APC), Nov 28-29, 2020, online
28Dp-8
Laser-Induced heavy-doping for forming ohmic contacts
Eslam Abubakr, Abdelrahman Zkria, Shinya Ohmagari, Yūki Katamune, Hiroshi
Ikenoue, Tsuyoshi Yoshitake1
The 5th Asian Applied Physics Conference (Asian-APC), Nov 28-29, 2020, online
28Dp-5
Schottky Barrier Diodes Fabricated on Homoepitaxial Diamond Layer Grown
onto Diamond Heteroepitaxial Substrate
Phongsaphak Sittimart, Shinya Ohmagari, Tsuyoshi Yoshitake
The 5th Asian Applied Physics Conference (Asian-APC), Nov 28-29, 2020, online
28Dp-6
発表奨励賞
Mechanical and Structural Properties of Nanodiamond Composite Films Deposited
on Si Substrates with Intermediate Layers
H. Ohue, A. M. Ali, M. Egiza, K. Murasawa, H. Sugita, Tanja Deckert-Gaudig, Volker Deckert, T. Yoshitake
The 5th Asian Applied Physics Conference (Asian-APC), Nov 28-29, 2020,
online
28Dp-4
単結晶ダイヤモンドを用いた横型スピンバルブ素子の評価
荒巻枚希, 濵崎健, 坂井拓也, 吉武剛, 堺研一郎
２ ０ ２ ０ 年（令和２年度）応用物理学会九州支部学術講演会/The 5th Asian Applied Physics Conference (Asian-APC)、2020 年11 月28 日(土) ～ 29 日(日)、オンライン開催
29Ca-5
窒素ドープ超ナノ微結晶ダイヤモンドとp型シリコンで構成されるヘテロ結合ダイオードの評価
岩尾 友貴, Abdelrahman Zkria, 吉武 剛
２ ０ ２ ０ 年（令和２年度）応用物理学会九州支部学術講演会/The 5th Asian Applied Physics Conference (Asian-APC)、2020 年11 月28 日(土) ～ 29 日(日)、オンライン開催
29Aa-4
同軸型アークプラズマ蒸着法による量子センターを含むナノダイヤモンドの作成
中原大哉, 森田修平, Sreenath M V, Ali M. Ali, Abdelrahman Zkria, Dong Wang, 坪内信輝,
大曲新矢, 吉武剛
２ ０ ２ ０ 年（令和２年度）応用物理学会九州支部学術講演会/The 5th Asian Applied Physics Conference (Asian-APC)、2020 年11 月28 日(土) ～ 29 日(日)、オンライン開催
29Aa-3
Si 上に成膜された接着層を有するナノダイヤモンド混相膜の機械的および構造的特性
齊藤誠志郎, H. Ohue, A. M. Ali, M. Egiza, K. Murasawa, H. Sugita, Tanja Deckert-Gaudig,
Volker Deckert, T. Yoshitake
２ ０ ２ ０ 年（令和２年度）応用物理学会九州支部学術講演会/The 5th Asian Applied Physics Conference
(Asian-APC)、2020 年11 月28 日(土) ～ 29 日(日)、オンライン開催
29Aa-2
ナノダイヤモンド膜の光電変換素子および硬質被膜への応用
吉武剛
第14 回九州シンクロトロン光研究センター研究成果報告会、令和２年１０月２１日、佐賀市
Diamond Schottky Barrier Diodes Fabricated on Heteroepitaxial Substrates
Phongsaphak Sittimart, Shinya Ohmagari and Tsuyoshi Yoshitake
JSAP 2020 International Conference on Solid State Devices and Materials
(SSDM2020), September 27-30, 2020, online
D-1-06 (Late News).
鉄シリサイド半導体中への電気的スピン注入
堺 研一郎、濵崎 健、荒巻 枚希、田部井 哲夫、西嶋 雅彦、吉武 剛
第８１回応用物理学会秋季学術講演会、2020年9月8-11日、オンライン開催
9p-Z24-14 oral
Nanodiamond film formation by physical vapor deposition and their applications
Tsuyoshi Yoshitake
Campus Asia EEST Asia 2020 Summer School, Aug 18-28, 2020, online
key note
2019
Spin-valve effects in Fe/N-doped carbon/Fe3Si trilayered junctions
Takuya Sakai, Takeru Hamasaki, Kazuki Kudo, Ken-ichiro Sakai, Tsuyoshi
Yoshitake
JSAP Kyushu Chapter Annual Meeting 2019 /The 4th Asian Applied Physics Conference (Asian-APC), Nov 23-24, 2019, Kumamoto Univ
poster
B-doping effects on hardness of nanocomposite AlBN thin films deposited
on high-speed steel
Yuki Tanaka, Tomohiro Yoshida, Seiya Uchida, Koki Murasawa, Yasuo Hukui,
Masatoshi Sakurai, Masaki Kudo, Takaaki Toriyama, Tsuyoshi Yoshitake
JSAP Kyushu Chapter Annual Meeting 2019 /The 4th Asian Applied Physics Conference (Asian-APC), Nov 23-24, 2019, Kumamoto Univ
poster
Mechanical and structural properties of Si doped nanodiamond composite
films coatings deposited on cemented carbide
H.Ohue, M.Egiza, A.M.Ali, K.Murasawa, Y.Fukui, H.Gonda, M.Sakurai, T.Yoshitake
JSAP Kyushu Chapter Annual Meeting 2019 /The 4th Asian Applied Physics Conference (Asian-APC), Nov 23-24, 2019, Kumamoto Univ
poster
Laser induced conductive layers on surface of singlecrystalline diamond
Eslam Abubakr, Abdelrahman Zkria, Shinya Ohmagari, Yuki Katamune, Hiroshi Ikenoue, Tsuyoshi Yoshitake
JSAP Kyushu Chapter Annual Meeting 2019 /The 4th Asian Applied Physics Conference (Asian-APC), Nov 23-24, 2019, Kumamoto Univ
oral
発表奨励賞
Bias effects on deposition and mechanical properties of nanodiamond composite films deposited by coaxial arc plasma
Ali Mohamed Ali, Mohamed Egiza, Koki Murasawa, Yasuo Fukui, Hidenobu Gonda,
Masatoshi Sakurai, Tsuyoshi Yoshitake
JSAP Kyushu Chapter Annual Meeting 2019 /The 4th Asian Applied Physics Conference (Asian-APC), Nov 23-24, 2019, Kumamoto Univ
oral
Ultrafast pulsed laser irradiation on amorphous carbon and singlecrystalline
diamond
Abdelrahman Zkria, Tsuyoshi Yoshitake, Eslam Abubakr, Jagdish Narayan
JSAP Kyushu Chapter Annual Meeting 2019 /The 4th Asian Applied Physics
Conference (Asian-APC), Nov 23-24, 2019, Kumamoto Univ
oral
室温下における鉄シリサイド半導体中へのスピン流の生成と磁化反転制御
堺研一郎, 坂井拓也, 田部井哲夫, 西嶋雅彦, 吉武剛
2019年度応用物理学会九州支部学術講演会，2019年11月23日（土）、24日（日），熊本大学工学部
24Ba-8
ナノダイヤモンド膜の硬質被膜への応用
吉武 剛，エギザ モハメド，村澤功基，アリ モハメド アリ，杉田博昭，福井康雄，権田英修，櫻井正俊
第33回ダイヤモンドシンポジウム，2019 年11 月13 日(水)～15 日(金)，東京工業大学大岡山キャンパス
[講演番号202] oral
単結晶ダイヤモンドへのスピン注入実現に向けた電極形成に関する研究
吉武 剛，アブバクル エスラム，ゼクリア アブデルラーマン，片宗優貴，大曲新矢，妹川 要，池上 浩，坂井拓也，堺研一郎
電子情報通信学会 磁気記録・情報ストレージ研究会（MRIS）／マルチメディアストレージ研究会（ITE-MMS）／マグネティックス研究会（IEE-MAG）／日本磁気学会ナノマグネティクス専門研究会（MSJ-NanoMag），令和元年１０月１７，１８日，九州大学西新プラザ
oral
鉄シリサイド材料による新規スピントロニクス素子の創製
堺 研一郎，坂井拓也，石本浩起，田部井哲夫，西嶋雅彦，吉武 剛
電子情報通信学会 磁気記録・情報ストレージ研究会（MRIS）／マルチメディアストレージ研究会（ITE-MMS）／マグネティックス研究会（IEE-MAG）／日本磁気学会ナノマグネティクス専門研究会（MSJ-NanoMag），令和元年１０月１７，１８日，九州大学西新プラザ
oral
偏極中性子反射率法によるFe-Si超格子の磁気構造の解析
花島隆泰，鈴木淳市，加倉井和久，宮田 登，武田全康，竹市悟志，吉武 剛，堺 研一郎，出口博之
電子情報通信学会 磁気記録・情報ストレージ研究会（MRIS）／マルチメディアストレージ研究会（ITE-MMS）／マグネティックス研究会（IEE-MAG）／日本磁気学会ナノマグネティクス専門研究会（MSJ-NanoMag），令和元年１０月１７，１８日，九州大学西新プラザ
oral
Laser-induced conductive layer on singlecrystalline diamond
Tsuyoshi Yoshitake, Eslam Abubakr, Abdelrahman Zkria, Yūki Katamune, Shinya
Ohmagari, Kaname Imokawa, and Hiroshi Ikenoue
2019年第80回応用物理学会秋季学術講演会，令和元年９月１８-２１日，北海道大学札幌キャンパス
[18p-PA4-24] poster
Boron Doping Effects on Mechanical Properties of Ultrananocrystalline Diamond/Amorphous Carbon Composite Films Deposited on Cemented Carbide Substrates by Coaxial Arc Plasma Deposition
Tsuyoshi Yoshitake, Mohamed Egiza, Kouki Murasawa, Ali M. Ali, Yasuo Fukui,
Hidenobu Gonda, and Masatoshi Sakurai
2019年第80回応用物理学会秋季学術講演会，令和元年９月１８-２１日，北海道大学札幌キャンパス
[20p-E312-7] oral
Structural evolution of nanostructure carbon films by ultrafast pulsed
laser annealing
A. Zkria, E.Abubakr, T. Yoshitake, J. Narayan
30th International conference in Diamond and Carbon materials (ICDCM-2019)
, Sep. 8-12, 2019, Melia Lebreros, Seville, Spain
[O7B.3] oral
Si doping effects on mechanical properties of ultrananocrystalline diamond/ amorphous
carbon composite films deposited on cemented carbide
M. Egiza, K. Murasawa, A.M. Ali, Y. Fukui, H. Gonda, M. Sakurai, T. Yoshitake
30th International conference in Diamond and Carbon materials (ICDCM-2019) , Sep. 8-12, 2019, Melia Lebreros, Seville, Spain
[P9.045] oral
Fabrication and evaluation of lateral type spin-valves comprising epitaxially-grown
beta-FeSi2 layers
T. Sakai, H. Ishimoto, T. Tabei, K. Sakai, T. Yoshitake
The Fifth Asia-Pacific Conference on Semiconducting Silicides and Related
Materials (APAC-SILICIDE 2019), July 20 - 23, 2019, Seagaia Convention
Center, Miyazaki, Japan
[Mon-a-O24] oral
P11 Epitaxial growth of β-FeSi2 thin films prepared by co-sputtering with high purity Fe and Si targets
Y. Tanaka, S. Uchida, T. Yoshida, and T. Yoshitake
The Fifth Asia-Pacific Conference on Semiconducting Silicides and Related Materials (APAC-SILICIDE 2019), July 20 - 23, 2019, Seagaia Convention Center, Miyazaki, Japan
[P11] poster
P12 Local and non-local spin valves in Fe3Si/FeSi2/Fe3Si trilayer films
K. Sakai, T. Sakai, M. Nishijima, and T. Yoshitake
The Fifth Asia-Pacific Conference on Semiconducting Silicides and Related Materials (APAC-SILICIDE 2019), July 20 - 23, 2019, Seagaia Convention Center, Miyazaki, Japan
[P12] poster
Structural and mechanical properties of ultrananocrystalline diamond films
deposited on negatively biased substrates by coaxial arc plasma
Ali M. Ali, M. Egiza, K. Murasawa, Y. Fukui, H. Gonda, M. Sakurai, and T. Yoshitake
The 13th New Diamond and Nano Carbon Conference(NDNC 2019) was held at the scenic east coast of Taiwan from May 12-17, 2019.
[S24-4-O] oral.
Application of undoped and Si-doped ultrananocrystalline diamond/amorphous
carbon composite films to hard coating on cemented carbide
M. Egiza, A. M. Ali1, K. Murasawa, Y. Fukui, H. Gonda, M. Sakurai, and T. Yoshitake
The 13th New Diamond and Nano Carbon Conference(NDNC 2019) was held at the scenic east coast of Taiwan from May 12-17, 2019.
[S24-5-O] oral.
Atomic structures, mechanical, and tribological properties of B-doped
ultrananocrystalline diamond/ nonhydrogenated amorphous carbon composite
films deposited on cemented carbide
M. Egiza, A. M. Ali1, K. Murasawa, Y. Fukui, H. Gonda, M. Sakurai, and T. Yoshitake
The 13th New Diamond and Nano Carbon Conference(NDNC 2019) was held at the scenic east coast of Taiwan from May 12-17, 2019.
[P2-3] poster.
Shallow boron doping of Singlecrystalline diamond by excimer laser irradiation
Eslam Abubakr, Abdelrahman Zkria, Yūki Katamune, Shinya Ohmagari, Kaname Imokawa, Hiroshi Ikenoue, and Tsuyoshi Yoshitake.
The 13th New Diamond and Nano Carbon Conference(NDNC 2019) was held at the scenic east coast of Taiwan from May 12-17, 2019.
[P2-8] poster.
AlBN薄膜硬度への窒素圧力の影響
吉田 智博，田中 佑樹，村澤 功基，工藤 昌輝，鳥山 誉亮，内田聖也，福井 康雄，櫻井 正俊，吉武 剛
2019年 第66回応用物理学会春季学術講演会，平成３１年３月９～１２日，東京工業大学 大岡山キャンパス
[9p-PAl-21] poster
Spectroscopic study on boron-doped ultrananocrystalline diamond thin films synthesized by coaxial arc plasma: Toward the application to UV photodetector
Naofumi Nishikawa, Satoshi Takeichi, Yūki Katamune, Koichiro Hoshino, Keisuke Ohdaira, and Tsuyoshi Yoshitake
2019年 第66回応用物理学会春季学術講演会，平成３１年３月９～１２日，東京工業大学 大岡山キャンパス
[８Ba-12 ] poster
2018
ダイヤモンドとその関連物質の工学的応用
吉武剛
２０１８年度総理工セミナー，平成３０年１２月２２日，九州大学筑紫キャンパス
oral
ナノダイヤモンド半導体層から成るスピンバルブ素子の作製と評価
坂井拓也，石本浩起，竹市悟志，工藤和樹，堺研一郎，吉武剛
平成３０年度応用物理学会九州支部学術講演会，平成３０年１２月８～９日，福岡大学七隈キャンパス
[8Ba-12 ] oral
AlBN薄膜硬度への窒素圧力の影響
吉田 智博，田中 佑樹，内田 聖也，村澤 功基，福井 康雄，櫻井 正俊，工藤 昌輝，鳥山 誉亮，吉武 剛
平成３０年度応用物理学会九州支部学術講演会，平成３０年１２月８～９日，福岡大学七隈キャンパス
[8Aa-13 ] oral
同軸型アークプラズマ堆積法を用いたAlBN薄膜のB添加による硬度への影響
田中 佑樹，内田 聖也，吉田 智博，村澤 功基，福井 康雄，櫻井 正俊，工藤 昌輝，鳥山 誉亮，吉武 剛
平成３０年度応用物理学会九州支部学術講演会，平成３０年１２月８～９日，福岡大学七隈キャンパス
[8Aa-12 ] oral
超ナノ微結晶ダイヤモンド/アモルファスカーボン混相膜の電気および熱特性への水素化の効果
星野光一朗，竹市悟志，阿部圭佑，戸島健太郎，河野正道，吉武 剛
平成３０年度応用物理学会九州支部学術講演会，平成３０年１２月８～９日，福岡大学七隈キャンパス
[8Aa-4 ] oral
Pulsed-Bias Effects on Mechanical Properties of Ultrananocrystalline Diamond Films Deposited on Cemented Carbide Substrates by Coaxial Arc Plasma
Ali M. Ali, M. Egiza, K. Murasawa, Y. Fukui, H. Gonda, M. Sakurai, and
T. Yoshitake
The 3rd Asian Applied Physics Conference, Dec 8-9, 2019, NaNakuma Campus of Fukuoka University.
[8Po-26] poster
発表奨励賞
Fabricartion of lateral type spin-valves comprising epitaxially-grown beta-FeSi2
interlayers by electron beam lithography
Hiroki Ishimoto, Kazuki Kudo, Tetsuo Tabei, Ken-ichiro Sakai, Tsuyoshi
Yoshitake
The 3rd Asian Applied Physics Conference, Dec 8-9, 2019, NaNakuma Campus of Fukuoka University.
[8Po-15] poster
UV Laser-Induced Boron Incorporation to Singlecrystalline Diamond
Eslam Abubakr, Abdelrahman Zkria, Yūki Katamune, Shinya Ohmagari, Hiroshi
Ikenoue, and Tsuyoshi Yoshitake1*
The 3rd Asian Applied Physics Conference, Dec 8-9, 2019, NaNakuma Campus of Fukuoka University.
[8Po-8] poster
Hydrogenation effects on photoresponsivity in heterojunction diodes comprising p-type ultrananocrystalline diamond films and n-Si substrates
Naofumi Nishikawa, Satoshi Takeichi, Keisuke Ohdaira, and Tsuyoshi Yoshitake
The 3rd Asian Applied Physics Conference, Dec 8-9, 2019, NaNakuma Campus of Fukuoka University.
[8Po-4] poster
Epitaxial growth of beta-FeSi2 thin films prepared by co-sputtering with
high purity Fe and Si targets
S. Uchida, Y. Tanaka, T. Yoshitake
The 3rd Asian Applied Physics Conference, Dec 8-9, 2019, NaNakuma Campus of Fukuoka University.
[8Ga-1] oral
Atomic structures and mechanical properties of Si-doped ultrananocrystalline diamond/ amorphous carbon composite films deposited on cemented carbide.
M. Egiza, A. M. Ali, K. Murasawa, Y. Fukui, H. Gonda, M. Sakurai, and T.
Yoshitake
The 3rd Asian Applied Physics Conference, Dec 8-9, 2019, NaNakuma Campus of Fukuoka University.
[8Ep-3] oral
Thermal Conductivity measurement of ultrananocrystalline diamond/amorphous
carbon composite films
Yungil Lee, Ko-ichiro Hoshino, Satoshi Takeichi, Keisuke Abe, Kentaro Toshima,
Takashi Nishiyama, Masamichi Kohno, Koji Takahashi, and Tsuyoshi Yoshitake
The 3rd Asian Applied Physics Conference, Dec 8-9, 2019, NaNakuma Campus of Fukuoka University.
[8Ea-7] oral
電子線リソグラフィーを利用したFe-Si系横型スピンバルブ素子の作製
吉武剛
第３回 広島大学・山口大学・香川大学・FAIS 合同シンポジウム，平成３０年１２月４日，小倉AIMビル
oral
Application of Laser-Induce Doping to Singlecrystalline Diamond
Abdelrahman Zkria Ahmed, Eslam Abubakr, Yuki Katamune, Shinya Ohmagari, and Tsuyoshi Yoshitake
2018 MRS Fall Meeting & Exhibit, Nov 25 - 30, 2018, Boston, Massachusetts
[EP09.04.04] oral
Hydrogenation Effects on Interfacial Thermal Conductance at Grain Boundaries of Ultrananocrystalline Diamond Films
Satoshi Takeichi, Takashi Nishiyama, Mitsuru Tabara, Shuichi Kawawaki, Masamichi Kohno, Koji Takahashi, and Tsuyoshi Yoshitake
2018 MRS Fall Meeting & Exhibit, Nov 25 - 30, 2018, Boston, Massachusetts
[EP09.12.10] oral
Structural Evaluation of Spin-Valves Comprising B-Doped Carbon Interlayers
Hiroki Ishimoto, Satoshi Takeichi, Kazuki Kudo, Ken-ichiro Sakai, and Tsuyoshi Yoshitake
2018 MRS Fall Meeting & Exhibit, Nov 25 - 30, 2018, Boston, Massachusetts
[NM01.15.34] poster
Spin Injection into Epitaxially-Grown β-FeSi2 in Lateral Structural Spin-Valves
Hiroki Ishimoto, Tetsuo Tabei, Ken-ichiro Sakai and Tsuyoshi Yoshitake
2018 MRS Fall Meeting & Exhibit, Nov 25 - 30, 2018, Boston, Massachusetts
[EP06.11.05] oral
石本 浩起，田部 井哲夫，岡田 和志，堺 研一郎，吉武 剛
電子線リソグラフィ―による横型スピンバルブ素子の作製とエピタキシャルβ-FeSi2膜中の室温におけるスピン輸送長に関する調査
第１０回半導体材料・デバイスフォーラム，平成３０年１０月２０日，熊本市，[O-5] oral
同軸型アークプラズマ堆積法により超硬合金上に堆積される超ナノ微結晶ダイヤモンド膜の機械特性への成膜時のバイアス印加効果
吉武 剛、エギザ モハメド、村澤 功基、アリ アリ モハメド、福井 康夫、権田 英修、櫻井 正俊
2018年第79回応用物理学会秋季学術講演会，2018年9月18-21日，名古屋国際会議場
[20p-222-11] oral
室温下における鉄シリサイド半導体中へのスピン流の生成
堺 研一郎、石本 浩起、浅井 勇輝、石橋 和也、田部井 哲夫、西嶋 雅彦、吉武 剛
2018年第79回応用物理学会秋季学術講演会，2018年9月18-21日，名古屋国際会議場
[19p-436-12] oral
ドーパントを含む溶液中におけるレーザー照射ドーピングのダイヤモンドへの適用
吉武 剛，アブバクル エスラム，ゼクリア アブデルラーマン，片宗 優貴，大曲 新矢，池上 浩
2018年第79回応用物理学会秋季学術講演会，2018年9月18-21日，名古屋国際会議場
[20p-222-9] oral
高純度FeおよびSi単体ターゲットを用いた同時スパッタリング法によるbeta-FeSi2膜の作製
吉武 剛，内田 聖也，田中 佑樹，野上 智宏，吉田 智博
2018年第79回応用物理学会秋季学術講演会，2018年9月18-21日，名古屋国際会議場
[20a-PA4-11] poster
堺 研一郎，石本 浩起，田部井 哲夫，吉武 剛
電子線リソグラフィー法による横型スピンバルブ素子の創製とエピタキシャルbeta-FeSi2層への電気的スピン注入
2018年第79回応用物理学会秋季学術講演会，2018年9月18-21日，名古屋国際会議場
[20a-PA4-10] poster
Conductive surface formation on nano-polycrystalline diamond by laser irrradiation
R. Fukuta, N. Yamamoto, F. Ishikawa, T. Yoshitake, H. Ikenoue, M. Matsushita, H. Ohfuji, T. Shinmei, T. Irifune
29th International Conference on Diamond and Carbon Materials, 2-6 September 2018, Valamar Lacroma Dubrovnik, Dubrovnik, Croatia
[P5.40]
Pulsed bias effects on the growth and mechanical properties of ultrananocrystalline diamond/amorphous carbon films deposited by coaxial arc plasma deposition
A. M. Ali, M. Egiza, K. Murasawa, Y. Fukui, H. Gonda, M. Sakurai, and T. Yoshitake
29th International Conference on Diamond and Carbon Materials, 2-6 September
2018, Valamar Lacroma Dubrovnik, Dubrovnik, Croatia
[P13.65]
Phosphorus doping for singlecrystalline diamond using phosphoric acid liquids
by excimer laser irradiations
E. Abubakr, A. Zkria, Y. Katamune, S. Ohmagari, H. Ikenoue, and T. Yoshitake
29th International Conference on Diamond and Carbon Materials, 2-6 September
2018, Valamar Lacroma Dubrovnik, Dubrovnik, Croatia
[P13.15]
Effects of Inserting Various Buffer layers on Growth and Mechanical Properties
of B-doped Ultrananocrystalline Diamond/Amorphous Carbon Composite Films
Deposited on Cemented Carbide Substrates by Coaxial Arc Plasma Deposition
Mohamed Egiza, Kouki Murasawa, Ali M. Ali, Yasuo Fukui, Hidenobu Gonda, Masatoshi Sakurai, and Tsuyoshi Yoshitake
The 9th International Conference on Technological Advances of Thin Films
& Surface Coatings 17 – 20 July 2018 Shenzhen, China
oral, NNF9017
高純度FeおよびSi単体ターゲットを用いた同時スパッタリングによるβ-FeSi2膜の作製
田中 佑樹, 内田 聖也，野上 智宏，吉田 智博，吉武 剛
第１８回シリサイド系半導体・夏の学校，2018年7月21日(土)～ 22日(日)，静岡県立森林公園森の家
poster
エピタキシャルb-FeSi2層から成る横型スピンバルブ素子の作製
坂井 拓也，石本 浩起，田部井 哲夫，堺 研一郎，吉武 剛
第１８回シリサイド系半導体・夏の学校，2018年7月21日(土)～ 22日(日)，静岡県立森林公園森の家
poster
同軸型アークプラズマ堆積法により超鋼合金上に堆積される超ナノ微結晶ダイヤモンド膜の機械特性に及ぼすシリコンドープの効果
吉武 剛，エギザ モハメド，村澤 功基，モハメド アリ アリ，福井 康雄，権田 英修，櫻井 正俊
2018年 第65回応用物理学会春季学術講演会，2018年3月17日(土) 〜20日(火)，早稲田大学西早稲田キャンパス，東京都
oral, 19p-F206-2
高速度鋼基板上へ形成したAlN硬質被膜の構造解析
吉田 智博，村澤 功基，工藤 昌輝，鳥山 誉亮，内田 聖也，福井 康雄，櫻井 正俊，吉武 剛
2018年 第65回応用物理学会春季学術講演会，2018年3月17日(土) 〜20日(火)，早稲田大学西早稲田キャンパス，東京都
oral, 19a-C103-11
同軸型アークプラズマ堆積法により負バイアスが印加された超鋼合金上に堆積される超ナノ微結晶ダイヤモンド膜の成長と機械特性
吉武 剛,，モハメド アリ アリ，エギザ モハメド，村澤 功基，福井 康雄，権田 英修，櫻井 正俊
2018年 第65回応用物理学会春季学術講演会，2018年3月17日(土) 〜20日(火)，早稲田大学西早稲田キャンパス，東京都
poster, 19p-P4-11
レーザー誘起ドーピングの単結晶ダイヤモンドへの適用
吉武 剛，アブバクル イスラム，ゼクリア アブデルラーマン，池上 浩
2018年 第65回応用物理学会春季学術講演会，2018年3月17日(土) 〜20日(火)，早稲田大学西早稲田キャンパス，東京都
oral, 18a-F206-7
2017
Estimation of Interface State Density in B-doped p-Type UNCD/a-C:H/n-Type Si Heterojunctions Formed by Pulsed Laser Deposition
N. Promros, R. Chaleawpong, P. Sittimart, T. Hanada, S. Ohmagari, and T.
Yoshitake
The 2nd Asian Applied Physics Conference (Asian-APC), December 1-2, 2017, Miyazaki Kanko Hotel, Miyazaki, Japan.<br>
invited oral, 2Bp-2
Carrier Transport Properties at Low Temperatures in p-Type Si/n-Type ß-FeSi2
Heterojunctions Created by Radio-Frequency Magnetron Sputtering
N. Promros, P. Sittimart, T. Nogami, and T. Yoshitake
The 2nd Asian Applied Physics Conference (Asian-APC), December 1-2, 2017, Miyazaki Kanko Hotel, Miyazaki, Japan.
oral, 2EPo-4
Laser-induce phosphorus doping in phosphoric acid liquids for singlecrystalline diamond
Eslam Abubakr, Hiroshi Ikenoue, and Tsuyoshi Yoshitake
The 2nd Asian Applied Physics Conference (Asian-APC), December 1-2, 2017, Miyazaki Kanko Hotel, Miyazaki, Japan.
oral, 1Bp-4
Fabrication of lateral spinvalves comprising FeSi2 spin-transfer layers by electron beam lithography
H. Ishimoto, K. Kudo, K. Sakai, and T. Yoshitake
The 2nd Asian Applied Physics Conference (Asian-APC), December 1-2, 2017, Miyazaki Kanko Hotel, Miyazaki, Japan.
poster, 2EPo-10
Near-edge X-ray absorption fine-structure spectroscopic study on ultrananocrystalline diamond/nonhydrogenated amorphous carbon composite films prepare by coaxial arc plasma deposition
K. Murasawa, M. Egiza, M. Ali, and T. Yoshitake
The 2nd Asian Applied Physics Conference (Asian-APC), December 1-2, 2017, Miyazaki Kanko Hotel, Miyazaki, Japan.
poster, 2EPo-3
Epitaxial growth of beta-FeSi2 thin films prepared by co-sputtering with
high purity Fe and Si targets
T. Nogami, N. Ishizaka, S. Uchida, and T. Yoshitake
The 2nd Asian Applied Physics Conference (Asian-APC), December 1-2, 2017,
Miyazaki Kanko Hotel, Miyazaki, Japan.
oral, 1Cp-12
同軸型アークプラズマ蒸着法により作製した超ナノ微結晶ダイヤモンド/アモルファスカーボン混相膜の機械特性
村澤 功基，モハメド エギザ，モハメド アリ，吉武 剛
平成２９年度応用物理学会九州支部学術講演会，平成２９年１２月２～３日，宮崎観光ホテル，宮崎
oral, 2Ca-6
局所2端子型スピンバルブ効果による半導体FeSi2の室温スピン輸送長に関する研究
石本 浩起，工藤 和樹，堺 研一郎，西嶋 雅彦，吉武 剛
平成２９年度応用物理学会九州支部学術講演会，平成２９年１２月２～３日，宮崎観光ホテル，宮崎
oral, 2Ca-4
室温下における鉄シリサイド半導体FeSi2 中への純スピン流の生成
堺研一郎，浅井勇輝，石橋和也，西嶋雅彦，吉武剛
平成２９年度応用物理学会九州支部学術講演会，平成２９年１２月２～３日，宮崎観光ホテル，宮崎
oral, 2Ca-3
Si Doping Effects on Mechanical Properties of Ultrananocrystalline Diamond/Amorphous
Carbon Composite Films Deposited on Cemented Carbide Substrates by Coaxial
Arc Plasma Deposition
Tsuyoshi Yoshitake, Mohamed Egiza, Koki Murasawa, Mohamed Ali, Hiroshi
Naragino, Aki Tominaga, Yasuo Fukui, Hidenobu Gonda, Masatoshi Sakurai
11th International Symposium on Atomic Level Characterizations for New Materials and Devices ’17 (ALC17), December 3-8), 2017, Aqua Kauai Beach Resort, Kauai, Hawaii, USA.
poster, 5p-P-27
Effects of hydrogenation on thermal transport in ultrananocrystalline diamond/amorphous
carbon composite films
Satoshi Takeichi, Takashi Nishiyama, Mitsuru Tabara, Shuichi Kawawaki,
Masamichi, Kohno, Koji Takahashi, Tsuyoshi Yoshitake
11th International Symposium on Atomic Level Characterizations for New Materials and Devices ’17 (ALC17), December 3-8), 2017, Aqua Kauai Beach Resort, Kauai, Hawaii, USA.
poster, 5p-P-18
Photodetection properties of heterojunction diodes comprising boron-doped
ultrananocrystalline diamond films prepared by coaxial arc plasma deposition
and n-type silicon substrates
Satoshi Takeichi, Naofumi Nishikawa, Yuki Katamune, Tsuyoshi Yoshitake
11th International Symposium on Atomic Level Characterizations for New Materials and Devices ’17 (ALC17), December 3-8), 2017, Aqua Kauai Beach Resort, Kauai, Hawaii, USA.
poster, 5p-P-19
Magnetoresistance effects in spin-valves comprising N-doped carbon interlayers
Kazuki Kudo, Satoshi Takeichi, Kazutoshi Nakashima, Ken-ichiro Sakai, Tsuyoshi
Yoshitake
11th International Symposium on Atomic Level Characterizations for New Materials and Devices ’17 (ALC17), December 3-8), 2017, Aqua Kauai Beach Resort, Kauai, Hawaii, USA.
poster, 4p-P-11
Structural evaluations of Fe/boron-doped carbon/Fe3Si spin-valve junctions
Kazuki Kudo, Satoshi Takeichi, Kazutoshi Nakashima, Ken-ichiro Sakai, Masahiko,
Nishijima, Tsuyoshi Yoshitake
11th International Symposium on Atomic Level Characterizations for New Materials and Devices ’17 (ALC17), December 3-8), 2017, Aqua Kauai Beach Resort, Kauai, Hawaii, USA.
poster, 4p-P-3
Hard Coating of Ultrananocrystalline Diamond/Nonhydrogenated amorphous Carbon Composite Films on Cemented Carbide
Tsuyoshi Yoshitake, Mohamed Egiza, Koki Murasawa, Mohamed Ali, Hiroshi
Naragino, Aki Tominaga, Yasuo Fukui, Hidenobu Gonda, Masatoshi Sakurai
11th International Symposium on Atomic Level Characterizations for New
Materials and Devices ’17 (ALC17), December 3-8), 2017, Aqua Kauai Beach
Resort, Kauai, Hawaii, USA.
poster, 4p-P-54
Negative bias effects on the growth and mechanical properties of ultrananocrystaline diamond/amorphous carbon films deposited on cemented carbide substrates by coaxial arc plasma deposition.
Ali M. Ali, Mohamed Egiza, Koki Murasawa, Yasuo Fukui, Hidenobu Gonda, Masatoshi Sakurai, and Tsuyoshi Yoshitake
Cross Straits Symposium on Energy and Environmental Science and Technology,
November 29-December 1, 2017, Chikushi Campus, Kyushu University, Japan..
poster
Naofumi Nishikawa, Satoshi Takeichi, Takanori Hanada, Shuya Tategami, Atsuhiko Fukuyama, Tsuyoshi Yoshitake
Minority Carrier Lifetimes in Nitrogen-doped Ultrananocrystalline Diamond/Hydrogenated
Amorphous Carbon Composite Films
Cross Straits Symposium on Energy and Environmental Science and Technology,
November 29-December 1, 2017, Chikushi Campus, Kyushu University, Japan.
poster
Magnetoresistance effects in Fe/nanodiamond/Fe3Si trilayered junctions at room temperature
Kazuki Kudo, Satoshi Takeichi, Kazutoshi Nakashima, Ken-ichiro Sakai,and Tsuyoshi Yoshitake
Cross Straits Symposium on Energy and Environmental Science and Technology,
November 29-December 1, 2017, Chikushi Campus, Kyushu University, Japan.
poster
Photodetection in heterojunctions comprising boron-doped ultrananocrystalline diamond/hydrogenated amorphous carbon composite films and n-type Si substrates
Naofumi Nishikawa, Satoshi Takeichi, Yuki Katamune, and Tsuyoshi Yoshitake
International Exchange and Innovation Conference on Engineering &
Sciences (IEICES 2017), October 19-20, 2017, Kyushu University, Japan.
oral
Application of laser-induced doping in liquids containing dopants to diamond
Tsuyoshi Yoshitake, Eslam Abubakr, and Hiroshi Ikenoue
OIST Diamond Workshop, Oct 29-31, 2017, Okinawa Institute of Technology,
Okinawa, Japan.
oral
Thermal conductivities of ultrananocrystalline diamond/amorphous carbon composite films prepared by coaxial arc plasma deposition
Satoshi Takeichi, Takashi Nishiyama, Mitsuru Tabara, Shuichi Kawawaki,
Masamichi Kohno, Koji Takahashi, and Tsuyoshi Yoshitake
OIST Diamond Workshop, Oct 29-31, 2017, Okinawa Institute of Technology,
Okinawa, Japan.
oral
Doping effects on minority-carrier lifetimes in ultrananocrystalline diamond/hydrogenated
amorphous carbon composite films
Naofumi Nishikawa, Satoshi Takeichi, Shuya Tategami, Kenjiro Takauchi,
Naoki Matsuda, Yuki Katamune, Atsuhiko Fukuyama, and Tsuyoshi Yoshitake
JSAP-OSA Joint Symposia 2017, 第７８回応用物理学会秋季学術講演会，2017年9月5-8日，福岡国際会議場・福岡国際センター・福岡サンパレスホテル，福岡
oral, 7p-A404-9
レーザー照射によるナノ多結晶ダイヤモンドの表面処理
福田 玲、山本 直也、石川 史太郎、松下 正史、大藤 弘明、新名 亨、入舩 徹男、吉武 剛、池上 浩
第７８回応用物理学会秋季学術講演会，2017年9月5-8日，福岡国際会議場・福岡国際センター・福岡サンパレスホテル，福岡
oral, 7a-A412-7
反応性同軸型アークプラズマ堆積法によるナノコンポジットAlN薄膜の構造解析
吉田 智博，村澤 功基，工藤 昌輝，鳥山 誉亮，内田 聖也，福井 康雄，櫻井 正俊，吉武 剛
第７８回応用物理学会秋季学術講演会，2017年9月5-8日，福岡国際会議場・福岡国際センター・福岡サンパレスホテル，福岡
oral，8p-PB1-14
ナノコンポジットAlBN薄膜の硬度および膜構造に及ぼすB添加の効果
内田 聖也、吉田 智博、村澤 功基、福井 康雄、櫻井 正俊、工藤 昌輝、鳥山 誉亮、吉武 剛
第７８回応用物理学会秋季学術講演会，2017年9月5-8日，福岡国際会議場・福岡国際センター・福岡サンパレスホテル，福岡
poster, 8a-PA2-15
鉄シリサイド系スピンバルブ素子によるスピン流の生成と検出
堺 研一郎、浅井 勇輝、石橋 和也、西嶋 雅彦、吉武 剛
第７８回応用物理学会秋季学術講演会，2017年9月5-8日，福岡国際会議場・福岡国際センター・福岡サンパレスホテル，福岡
oral, 7a-C13-4
[Fe3Si/FeSi2]20 人工格子の磁気構造
花島 隆泰、竹市 悟志、宮田 登、堺 研一郎、出口 博之、吉武 剛
第７８回応用物理学会秋季学術講演会，2017年9月5-8日，福岡国際会議場・福岡国際センター・福岡サンパレスホテル，福岡
oral, 7p-PB4-11
Minority-carrier lifetimes in ultrananocrystalline diamond/amorphous carbon composite films prepared by coaxial arc plasma deposition
N. Nishikawa, S. Takeichi, T. Hanada, H. Gima, S. Tategami, A. Iwamoto,
H. Takeda, A. Fukuyama, and T. Yoshitake
The 15th International Conference on Advance Materials, August 27-September
1, 2017, Yoshida Campus, Kyoto University, Japan
oral, B2-029-007
Magnetoresistance effects in Fe/B-doped carbon/Fe3Si trilayered spin valve
junctions
Kazuki Kudo, Kazutoshi Nakashima, Satoshi Takeichi, Ken-ichiro Sakai, Masahiko Nishijima, and Tsuyoshi Yoshitake
9th International School and Conference on Spintronics and Quantum Information
Technology(Spin TECH IX), Jun. 4-8, 2017, Fukuoka International Congress
Center, Fukuoka, Japan
poster, A-177
Spin valve effects in trilayered films comprising nitrogen-doped carbon interlayers
Satoshi Takeichi, Kazutoshi Nakashima, Kazuki Kudo, Ken-ichiro Sakai, and Tsuyoshi Yoshitake
9th International School and Conference on Spintronics and Quantum Information Technology (Spin TECH IX), 4-8th June, 2017, Fukuoka International Congress Center, Fukuoka, Japan.
poster, A-178
Polarized Neutron Reflectivity Study on Magnetic Structure in Fe3Si/FeSi2 Superlattices
Takayasu Hanashima, Tsuyoshi Yoshitake, Satoshi Takeichi, Noboru Miyata, Ken-ichiro Sakai, and Hiroyuki Deguchi
9th International School and Conference on Spintronics and Quantum Information
Technology (Spin TECH IX), 4-8th June, 2017, Fukuoka International Congress
Center, Fukuoka, Japan.
poster, A-61
Local and non-local structural spin valves comprising Fe3Si/FeSi2/Fe3Si trilayer films
Ken-ichiro Sakai, Masahiko Nishijima, and Tsuyoshi Yoshitake
9th International School and Conference on Spintronics and Quantum Information Technology (Spin TECH IX), 4-8th June, 2017, Fukuoka International Congress Center, Fukuoka, Japan.
poster, A-39
Applications of Ultrananocrystalline Diamond/hydrogenated amorphous carbon
to electronic devises
Abdelrahman Zkria and Tsuyoshi Yoshitake
The 1st International Conference on Physics, Materials Sciences and Engineering
(ICPMSE-2017), Mar. 23-25, 2017, Luxor, Egypt.
oral, invited
偏極中性子反射率測定によるFe3Si/FeSi2 人工格子膜の磁気構造解析
花島 隆泰, 竹市 悟志, 宮田 登, 堺 研一郎, 出口博之, 吉武 剛
2017年 第64回応用物理学会春季学術講演会，2017年3月14日(火) 〜 17日(金)，パシフィコ横浜，神奈川県
oral 16p-B5-3
Study on minority-carrier lifetime in ultrananocrystalline diamond/hydrogenated amorphous
carbon composite films
N. Nishikawa, S. Takeichi, T. Hanada, S. Tategami, A. Iwamoto, H. Takeda,
A. Fukuyama, and T. Yoshitake
2017年 第64回応用物理学会春季学術講演会，2017年3月14日(火) 〜 17日(金)，パシフィコ横浜，神奈川県
poster 16p-P3-22
CAPD法を用いたAlBN薄膜の成長とハードコーティングへの応用
吉田 智博, 村澤 功基, 吉武 剛
2017年 第64回応用物理学会春季学術講演会，2017年3月14日(火) 〜 17日(金)，パシフィコ横浜，神奈川県
oral 15p-311-14
同軸型アークプラズマ堆積法により成膜した超ナノ微結晶ダイヤモンド/水素化アモルファスカーボン混相膜の窒素添加効果
儀間 弘樹, 片宗 優貴, 大谷 亮太, 小泉 聡, 吉武 剛
2017年 第64回応用物理学会春季学術講演会，2017年3月14日(火) 〜 17日(金)，パシフィコ横浜，神奈川県
oral 15a-412-10
超ナノ微結晶ダイヤモンド硬質皮膜の化学結合状態解析
冨永亜希，楢木野宏，Mohamed Egiza，村澤功基，権田英修，櫻井正俊，吉武剛
第30回日本放射光学会年会・放射光科学合同シンポジウム，2017年 1月 7ー9日，神戸芸術センター，神戸
poster 9P048
2016
工藤 和樹, 中嶋 一敬, 竹市 悟志, 堺 研一郎, 吉武 剛
ナノダイヤモンド中間層からなるスピンバルブ素子の創製とその評価
平成２８年度応用物理学会九州支部学術講演会，平成２８年１２月３～４日，対馬市交流センター，長崎
3Fp-12 oral 発表奨励賞受賞
野上 智宏, 岸本 紘宗, ポンロス ナタポーン, 吉武 剛
スパッタリング法による窒素ドープ FeSi2膜の作製とその電気特性
平成２８年度応用物理学会九州支部学術講演会，平成２８年１２月３～４日，対馬市交流センター，長崎
3Fp-7 oral
Application of hard coating ultrananocrystalline diamond/amorphous carbon
composite films prepared by coaxial arc plasma deposition on tungsten carbide
Mohamed Egiza, Hiroshi Naragino, Aki Tominaga, Kouki Murasawa, Hidenobu
Gonda, Masatoshi Sakurai, Tsuyoshi Yoshitake
The 1st Asian Applied Physics Conference, Dec 3-4, 2016, Tsushima, nagasaki,
Japan
（平成２８年度応用物理学会九州支部学術講演会，平成２８年１２月３～４日，対馬市交流センター，長崎）
3Ep-3 oral
Abdelrahman Zkria, Hiroki Gima, and Tsuyoshi yoshitake
Nitrogen doped Ultrananocrystalline diamond/hydrogenated amorphous carbon
composite films prepared by coaxial arc plasma deposition
The 1st Asian Applied Physics Conference, Dec 3-4, 2016, Tsushima, nagasaki,
Japan
（平成２８年度応用物理学会九州支部学術講演会，平成２８年１２月３～４日，対馬市交流センター，長崎）
3Ea-8 oral
N. Nishikawa, T. Hanada, S. Tategami, A. Iwamoto, S. Takeda, A. Fukuyama,
T. Yoshitake
Minority-Carrier Life Time in Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films
The 1st Asian Applied Physics Conference, Dec 3-4, 2016, Tsushima, nagasaki,
Japan
（平成２８年度応用物理学会九州支部学術講演会，平成２８年１２月３～４日，対馬市交流センター，長崎）
3Po-2 poster
Kazutoshi Nakashima, Kazuki Kudo, Satoshi Takeichi, Ken-ichiro Sakai, and Tsuyoshi Yoshitake
Spin valves comprising nitrogen-doped carbon interlayers
The 18th Cross Straits Symposium on Energy and Environmental Science &
Technology, Dec 4-6, 2016, Shanghai Jiao Tong University, China
C10, oral
Rezwan Ahmed, Kazuki Kudo, Satoshi Takeichi, Ken-ichiro Sakai, Masahiko
Nishijima, Tsuyoshi Yoshitake, and Seigi Mizuno
Fabrication of spin valve junctions comprising Fe3Si/B-doped carbon/Fe
trilayers
The 18th Cross Straits Symposium on Energy and Environmental Science &
Technology, Dec 4-6, 2016, Shanghai Jiao Tong University, China
C01, oral
Satoshi Takeichi, Takashi Nishiyama, Mitsuru Tabara, Shuichi Kawawaki,
Masamichi Kohno, Koji Takahashi, and Tsuyoshi Yoshitake
Thermal conduction evaluation of ultrananocrystalline diamond/hydrogenated
amorphous carbon composite films by time-domain thermoreflectance
The 18th Cross Straits Symposium on Energy and Environmental Science &
Technology, Dec 4-6, 2016, Shanghai Jiao Tong University, China
C03, oral, Outstanding paper award
Satoshi Takeichi, Takashi Nishiyama, Mitsuru Tabara, Shuichi Kawawaki,
Masamichi Kohno, Koji Takahashi, and Tsuyoshi Yoshitake
Thermal Conductivity Measurements of Ultrananocrystalline Diamond/Hydrogenated
Amorphous Carbon Composite Films by Time-Domain Thermoreflectance
International Forum for Green Asia 2016, Dec 1, 2016, Kyushu University
P24, poster
Takanori Hanada, Shinya Ohmagari, Abdelrahman Zkria, and Tsuyoshi Yoshitake
Barrier Height of Au Contact on p-Type Ultrananocrystalline Diamond/Hydrogenated
Amorphous Carbon Composite Films
International Forum for Green Asia 2016, Dec 1, 2016, Kyushu University
P03, poster
Hiroki Gima and Tsuyoshi Yoshitake
Chemical Bonding Structural Analysis of Nitrogen-Doped Ultrananocrystalline
Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared by Coaxial
Arc Plasma Deposition
International Forum for Green Asia 2016, Dec 1, 2016, Kyushu University
P02, poster
岸本 紘宗，野上 智宏，ポンロス ナタポーン，吉武 剛
スパッタ法による窒素ドープFeSi2の作製とその電気特性
第８回半導体材料・デバイスフォーラム，平成２８年１１月５日，熊本市
P-3 poster
中嶋 一敬，工藤 和樹，竹市 悟志，堺 研一郎，吉武 剛
Fe/UNCD/Fe3Siスピンバルブ素子における電気・磁気特性
第８回半導体材料・デバイスフォーラム，平成２８年１１月５日，熊本市
P-4 poster poster award
竹市 悟志，田原 充，川脇 秀一，西山 貴史，河野 正道，高橋 厚史，吉武 剛
時間領域サーモリフレクタンス法による 超ナノ微結晶ダイヤモンド／アモルファスカーボン混相膜の熱伝導率測定
第８回半導体材料・デバイスフォーラム，平成２８年１１月５日，熊本市
O-1 oral
A. Zkria*, H. Gima, T. Hanada, and T. Yoshitake
Evaluation of nitrogen-doped Ultrananocrystalline diamond /p -type silicon
diodes
Advanced Metallization Conference 2016, Octorber 19-21, 2016, Hongo Campus,
The University of Tokyo, Tokyo.
P-8 (poster)
M. Egiza*, H. Naragino, A. Tominaga, K. Murasawa, H. Gonda, M. Sakurai,
and T. Yoshitake
Effects of B doping on growth and mechanical properties of Ultrananocrystalline Diamond/Amorphous Carbon Composite Films on Cemented Carbide Substrate by Coaxial Arc Plasma Deposition
Advanced Metallization Conference 2016, Octorber 19-21, 2016, Hongo Campus,
The University of Tokyo, Tokyo.
8-3 (oral)
S. Takeichi, T. Nishiyama, M. Kohno, K. Takahashi, Y. Katamune, and T.
Yoshitake
Thermal Conductivity of Ultrananocrystalline Diamond/Nonhydrogenated Amorphous
Carbon Composite Films Prepared By Coaxial Arc Plasma Deposition
Pasific Rim Meeting on Electrochemical and Solid-State Science (PRiME 2016)/230th ECS Meeting, October 2-7, 2016, Honolulu, Hawaii
(oral: B01-1060)
H. Gima, A. Zkria, and T. Yoshitake
Spectroscopic Analysis of Nitrogen-Doped Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared By Coaxial Arc Plasma Deposition
Pasific Rim Meeting on Electrochemical and Solid-State Science (PRiME 2016)/230th ECS Meeting, October 2-7, 2016, Honolulu, Hawaii
(poster: B01-1072)
Y. Katamune, S. Takeichi, S. Al Riyami, and T. Yoshitake
Defect Structures of Ultrananocrystalline Diamond/Hydrogenated Amorphous
Carbon Composite Films Prepared By Physical Vapor Deposition
Pasific Rim Meeting on Electrochemical and Solid-State Science (PRiME 2016)/230th ECS Meeting, October 2-7, 2016, Honolulu, Hawaii
(poster: B01-1073)
A. Zkria and T. Yoshitake
Heterojunction Diodes Comprising Nitrogen-Doped Ultrananocrystalline Diamond/Hydrogentad
Amorphous Carbon and p-Type Silicon
Pasific Rim Meeting on Electrochemical and Solid-State Science (PRiME 2016)/230th ECS Meeting, October 2-7, 2016, Honolulu, Hawaii
(poster: B01-1074)
M. Egiza, H. Naragino, A. Tominaga, K. Murasawa, H. Gonda, M. Sakurai,
and T. Yoshitake
Effects of Deposition Temperature on Synthesis of Ultrananocrystalline
Diamond/Amorphous Carbon Composite Films on Cemented Carbide Substrate
By Coaxial Arc Plasma Deposition
Pasific Rim Meeting on Electrochemical and Solid-State Science (PRiME 2016)/230th ECS Meeting, October 2-7, 2016, Honolulu, Hawaii
(oral: B01-1100)
T. Hanada, S. Ohmagari, A. Zkria, and T. Yoshitake
Direct Determination of the Barrier Height of Au Contact on p-Type Ultrananocrystalline
Diamond/Hydrogenated Amorphous Carbon Composite Films
Pasific Rim Meeting on Electrochemical and Solid-State Science (PRiME 2016)/230th ECS Meeting, October 2-7, 2016, Honolulu, Hawaii
(poster: H07-2338)
T. Hanada, S. Ohmagari, A. Zkria, and T. Yoshitake
Photoconductivities in Ultrananocrystalline Diamond/Hydrogenated Amorphous
Carbon Composite Films
Pasific Rim Meeting on Electrochemical and Solid-State Science (PRiME 2016)/230th
ECS Meeting, October 2-7, 2016, Honolulu, Hawaii.
(poster: H07-2340)
Aki Tominaga*, Ruji Baba, Hirokazu Kishimoto, Tarek Mostafa, Hiroshi Naragino,
Kazutaka Kamitani, Toshihiro Okajima, and Tsuyoshi Yoshitake
EXAFS Study on Nitrogen-doped Nanocrystalline FeSi2 Films Prepared by Sputtering
Asia-Pacific Conference on Semiconducting Silicides and Related Materials Science and Technology Towards Sustainable Electronics ( APAC Silicide 2016 ), July 16--18, 2016, Nishijin Plaza, Kyushu University, Fukuoka, Japan.
(poster: 17-P44)
Tomohiro Nogami*, Ryuji Baba, Hirokazu Kishimoto, Tarek M. Mostafa, Nathaporn
Promros, and Tsuyoshi Yoshitake
Effects of Nitrogen Doping on Optical and Electrical Properties of FeSi2 Films Prepared by Sputtering
Asia-Pacific Conference on Semiconducting Silicides and Related Materials Science and Technology Towards Sustainable Electronics ( APAC Silicide 2016 ), July 16--18, 2016, Nishijin Plaza, Kyushu University, Fukuoka, Japan.
(poster: 17-P43)
Kazuki Kudo*, Satoshi Takeichi, Hirokazu Kishimoto, Ken-ichiro Sakai, Hiroyuki Deguchi, and Tsuyoshi Yoshitake
Fe/boron-doped Ultrananocrystalline Diamond/Fe Trilayered Spin Valve Junctions
Asia-Pacific Conference on Semiconducting Silicides and Related Materials
Science and Technology Towards Sustainable Electronics ( APAC Silicide
2016 ), July 16--18, 2016, Nishijin Plaza, Kyushu University, Fukuoka,
Japan.
(poster: 17-P36)
Kazuki Kudo*, Kazuya Ishibashi, Kazutoshi Nakashima, Yuki Asai, Ken-ichiro
Sakai, Hiroyuki Deguchi, and Tsuyoshi Yoshitake
Temperature-Dependent Magnetoresistance Effects in Fe3Si/FeSi2/Fe3Si Trilayered
Spin Valve Junctions
Asia-Pacific Conference on Semiconducting Silicides and Related Materials
Science and Technology Towards Sustainable Electronics ( APAC Silicide
2016 ), July 16--18, 2016, Nishijin Plaza, Kyushu University, Fukuoka,
Japan.
(oral: 18-AM-VI-7)
Tsuyoshi Yoshitake*, Kazutoshi Nakashima, Kazuki Kudo, Kazuya Ishibashi,
Yuki Asai,Ken-ichiro Sakai, and Hiroyuki Deguchi
Spin Valve Junctions Comprising Fe-Si Materials
Asia-Pacific Conference on Semiconducting Silicides and Related Materials
Science and Technology Towards Sustainable Electronics ( APAC Silicide
2016 ), July 16--18, 2016, Nishijin Plaza, Kyushu University, Fukuoka,
Japan.
(oral: 17-AM-III-2)
Abdelrahman Zkria Ahmed* and Tsuyoshi Yoshitake
Low-temperature carrier transport properties of n-type ultrananocrystalline
diamond/ptype Si heterojunction diodes
The 2016 Compound Semiconductor Week (CSW2016), June 26-30, 2016, Toyama
International Conference Center, Toyama, Japan
(poster: MoP-ISCS-111)
ダイヤモンドショットキーダイオードへの逆バイアス印加時におけるEBIC電流解析
梅沢 仁*、Driche Khaled、儀間 弘樹、加藤 有香子、吉武 剛、Gheeraert Etienne、杢野 由明
第７７回応用物理学会秋季学術講演会，平成２８年９月１３～１６日，朱鷺メッセ，新潟
15p-P2-11
Fe3Si/FeSi2人工格子膜における強磁性層間結合の温度依存性
吉武 剛、竹市 悟志、花島 隆泰*、宮田 登、堺 研一郎、出口 博之
第７７回応用物理学会秋季学術講演会，平成２８年９月１３～１６日，朱鷺メッセ，新潟
16a-P3-3（ポスター）
超ナノ微結晶ダイヤモンド／水素フリーアモルファスカーボン混相膜の超鋼へのハードコーティング
吉武 剛*、エギザ モハメド、楢木野 宏、冨永 亜希、村澤 功基、権田 英修、櫻井 正俊
第７７回応用物理学会秋季学術講演会，平成２８年９月１３～１６日，朱鷺メッセ，新潟
15p-P2-8（ポスター）
冨永亜希,楢木野 宏,神谷和孝,吉武 剛,岡島敏浩
粉末ナノダイヤモンドの放射光小角X線散乱法での粒径評価
第53回化学関連支部合同九州大会，平成２８年７月２日，北九州国際会議場
IC-2-055（ポスター）
冨永亜希,神谷和孝,馬場隆司,岸本紘宗,楢木野 宏,吉武 剛,岡島敏浩
AC-2-001異種元素ドーピング鉄シリサイド薄膜のX線吸収微細構造解析
第53回化学関連支部合同九州大会，平成２８年７月２日，北九州国際会議場
IC-2-055（ポスター）
中嶋 一敬、石橋 和也、堺 研一郎、吉武 剛*
Fe/FeSi2/Fe3Siスピンバルブ素子の作製と評価
第６３回応用物理学会春季学術講演会，平成２８年３月１９～２２日，東京工業大学 大岡山キャンパス
21a-S223-9（口頭）
馬場 隆司、岸本 紘宗、吉武 剛*
スパッタ法による窒素ドープFeSi2薄膜の作製とその電気特性
第６３回応用物理学会春季学術講演会，平成２８年３月１９～２２日，東京工業大学 大岡山キャンパス
20p-P13-12（ポスター）
片宗 優貴*、竹市 悟志、吉武 剛
ホウ素ドープ超ナノ微結晶ダイヤモンド/水素化アモルファスカーボン混相膜の欠陥構造の評価
第６３回応用物理学会春季学術講演会，平成２８年３月１９～２２日，東京工業大学 大岡山キャンパス
21p-P3-10（ポスター）
花田 尊徳*、大曲 新矢、竹市 悟志、吉武 剛
光電子分光法によるBドープ超ナノ微結晶ダイヤモンド/水素化アモルファスカーボン混相膜のショットキー障壁高さ評価
第６３回応用物理学会春季学術講演会，平成２８年３月１９～２２日，東京工業大学 大岡山キャンパス
21p-P3-9（ポスター）
儀間 弘樹*、アブデルラーマン ゼクリア、吉武 剛
同軸型アークプラズマ堆積法により作製した窒素添加超ナノ微結晶ダイヤモンド/アモルファスカーボン混相膜の微細構造評価
第６３回応用物理学会春季学術講演会，平成２８年３月１９～２２日，東京工業大学 大岡山キャンパス
20a-H103-11（口頭）
冨永亜希，Tarek M. Mostafa，西堀麻衣子，高原基，馬場隆司，楢木野宏，神谷和孝，岡島敏浩，吉武剛
異種元素ドーピング鉄シリサイド薄膜のXAFSを用いた解析
第２９回日本放射光学会年会／放射光科学合同シンポジウム，平成２８年１月９～１１日，東京大学柏の葉キャンパス
11P058（ポスター）
冨永亜希，楢木野宏，Mohamed Egiza，神谷和孝，吉武 剛
超ナノ微結晶ダイヤモンド粉末の小角散乱法での構造解析
第２９回日本放射光学会年会／放射光科学合同シンポジウム，平成２８年１月９～１１日，東京大学柏の葉キャンパス
10P076（ポスター）
Department of Applied Science for Electronics and Materials, Kyushu University