2015

Ryuji Baba, Hirokazu Kishimoto, Tarek M. Mostafa, Nathaporn Promros1, and Tsuyoshi Yoshitake
Electrical Properties of Nitrogen-doped Nanocrystalline-FeSi2 Films Prepared by Radio-Frequency Magnetron Sputtering
Proceedings of The 17th Cross Straits Symposium on Energy and Environmental Science and Technology (CSS-EEST17) (2015) pp. 13-14.

Mohamed Egiza, Hiroshi Naragino, Aki Tominaga, Kouki Murasawa, Hidenobu Gonda, Masatoshi Sakurai, and Tsuyoshi Yoshitake
DOPING EFFECTS ON ULTRANANOCRYSTALLINE DIAMOND/AMORPHOUS CARBON COMPOSITE FILMS DEPOSITED ON CEMENTED CARBIDE SUBSTRATE BY COAXIAL ARC PLASMA DEPOSITION
Proceedings of The 17th Cross Straits Symposium on Energy and Environmental Science and Technology (CSS-EEST17) (2015) pp. 11-12.

Mohamed Egiza, Hiroshi Naragino, Aki Tominaga, Kouki Murasawa, Hidenobu Gonda, Masatoshi Sakurai, and Tsuyoshi Yoshitake
ULTRANANOCRYSTALLINE DIAMOND/AMORPHOUS CARBON COMPOSITE FILMS SYNTHESIS ON CEMENTED CARBIDE SUBSTRATE BY COAXIAL ARC PLASMA DEPOSITION
Proceedings of Intellectual Exchange and Innovation Conference on Engineering & Sciences (IEICES) (2015) pp. 23-24.

Abdelrahman Zkria and Tsuyoshi Yoshitake
Heterojunction Diodes of Nitrogen-Doped Ultrananocrystalline Diamond Films Prepared by Coaxial Arc Plasma Deposition
Proceedings of Intellectual Exchange and Innovation Conference on Engineering & Sciences (IEICES) (2015) pp. 21-22.

Abdelrahman Zkria and Tsuyoshi Yoshitake
Nitrogen-Doped Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films/p-Silicon heterojunction
Conference Proceedings of 68th Annual Gaseous Electronics Conference/9th International Conference on Reactive Plasmas/33rd Symposium on Plasma Processing (2015) FT4.00006.

Kazuya Ishibashi, Kazutoshi Nakashima, Ken-ichiro Sakai, and Tsuyoshi Yoshitake
Fabrication of spin valve junctions based on Fe/Fe3Si/FeSi2/Fe3Si quadrilayered films by facing targets direct-current sputtering
Conference Proceedings of 68th Annual Gaseous Electronics Conference/9th International Conference on Reactive Plasmas/33rd Symposium on Plasma Processing (2015) WF2.00003.

Kazuya Ishibashi, Kazutoshi Nakashima, Ken-ichiro Sakai, and Tsuyoshi Yoshitake
Magnetic properties of Fe/FeSi2/Fe3Si trilayered films prepared by facing targets sputtering deposition
Conference Proceedings of 68th Annual Gaseous Electronics Conference/9th International Conference on Reactive Plasmas/33rd Symposium on Plasma Processing (2015) GT1.00151.

Nathaporn Promros, Ryuji Baba, Tarek M. Mostafa, Motoki Takahara, Mahmoud Shaban, and Tsuyoshi Yoshitake
Mechanism of Carrier Transport at Low Temperatures in n-Type β-FeSi2/p-Type Si Heterojunctions Fabricated by Facing-Target Direct-Current Sputtering
Adv. Mat. Res. Vol. 1119 (2015) pp. 189-193.
doi:10.4028/www.scientific.net/AMR.1119.189

Takeshi Hara, Yoshihiro Nojiri, Kenji Hanada, and Tsuyoshi Yoshitake
Detection Methods of Diamond Diffraction Peaks in Ultrananocrystalline diamond?Amorphous Carbon Composite Films by X-ray Diffraction Measurement with Semiconductor Counter Detector
Jpn. J. Appl. Phys. Vol. 54, No. 10 (2015) 108002.
http://dx.doi.org/10.7567/JJAP.54.108002

Yūki Katamune, Satoshi Takeichi, Shinya Ohmagari, and Tsuyoshi Yoshitake
Hydrogenation effects on carrier transport in boron-doped ultrananocrystalline diamond/amorphous carbon films prepared by coaxial arc plasma deposition
J. Vac. Sci. Tech. A, Vol. 6, Issue 6 (2015) 061514.
http://dx.doi.org/10.1116/1.4931062

Yūki Katamune, Satoshi Takeichi, Shinya Ohmagari, Hiroyuki Setoyama, and Tsuyoshi Yoshitake
Near-Edge X-ray Absorption Fine-Structure Study on Hydrogenated Boron-Doped Ultrananocrystalline Diamond/Amorphous Carbon Composite Films Prepared by Coaxial Arc Plasma Deposition
Trans. Mat. Res. Soc. Jpn, Vol. 40, No. 3 (2015) p. 243-246.
doi: http://doi.org/10.14723/tmrsj.40.243

Tomohiro Yoshida, Yūtaro Ueda, Takeshi Daio, Aki Tominaga, Toshihito Okajima, and Tsuyoshi Yoshitake
Structural Evaluation of beta-AlN Films Grown on Sapphire (0001) Substrates
Trans. Mat. Res. Soc. Jpn, Vol. 40, No. 3 (2015) p. 191-194.
doi: http://doi.org/10.14723/tmrsj.40.191

Abdelrahman Zkria, Hiroki Gima, Mahmoud Shaban, and Tsuyoshi Yoshitake
Electrical Characteristics of Nitrogen-Doped Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared by Coaxial Arc Plasma Deposition
Appl. Phys. Express, Vol. 8, No. 9 (2015) 095101.
doi:10.7567/APEX.8.095101

Hiroshi Naragino, Aki Tominaga, Kenji Hanada, and Tsuyoshi Yoshitake
A synthesis method of ultrananocrystalline diamond in powder employing a coaxial arc plasma gun
Appl. Phys. Express, Vol. 8, No. 7 (2015) 075101.
doi:10.7567/APEX.8.075101

Nathaporn Promros, Dalin Prajakkan, Nantharat Hongsa, Nattanee Suthayanan, Phongsaphak Sittimart, Motoki Takahara, Ryuji Baba, Tarek M. Mostafa, Mahmoud Shaban, and Tsuyoshi Yoshitake
Temperature Dependent Current-Voltage Characteristics of n-Type β-FeSi2/Intrinsic Si/p-Type Si Heterojunctions
Adv. Mat. Res., Vols. 1120-1121 (2015) pp. 435-439.
doi.org/10.4028/www.scientific.net/AMR.1120-1121.435

Nathaporn Promros, Motoki Takahara, Ryuji Baba, Tarek M. Mostafa, Mahmoud Shaban, and Tsuyoshi Yoshitake
Mechanism of Carrier Transport in n-Type β-FeSi2/Intrinsic Si/p-Type Si Heterojunctions
Adv. Mat. Res., Vol. Vol 1119 (2015) pp. 189-193.
doi.org/10.4028/www.scientific.net/AMR.1119.189

Abdelrahman Zkria, Hiroki Gima, Sausan Al-Riyami, and Tsuyoshi Yoshitake
Fabrication of heterojunction diodes comprising nitrogen-doped ultrananocrystalline diamond/amorphous carbon and p-type silicon.
Mater. Res. Symp. Proc., Vol. 1734 (2015), mrsf14-1734-r03-16 (6 pages)
doi:10.1557/opl.2015.315.

Sausan Al-Riyami and Tsuyoshi Yoshitake
Ultrananocrystalline Diamond/Amorphous Carbon Composite Films Prepared by Laser Ablation of Graphite in Nitrogen and Hydrogen Atmosphere
Adv. Mat. Res., Vol. 1105 (2015) pp. 274-279.
10.4028/www.scientific.net/AMR.1105.274

Tomohiro Yoshida, Yūtaro Ueda, Takeshi Daio, Aki Tominaga, Toshihiro Okajima, and Tsuyoshi Yoshitake
Heteroepitaxial growth of b-AlN films on sapphire (0001) in nitrogen atmospheres by pulse laser deposition
Jpn. J. Appl. Phys., Vol. 54, No. 6S1 (2015) 06FJ05.
doi:10.7567/JJAP.54.06FJ05

Nathaporn Promros, Suguru Funasaki, Motoki Takahara,Ryūhei Iwasaki, Mahmoud Shaban, and Tsuyoshi Yoshitake
Diode Parameters of Mesa Structural n-Type Nanocrystalline FeSi2/p-Type Si Heterojunctions Prepared by Lift-Off Photolithography
Adv. Mat. Res., Vol. 1103 (2015) pp. 91-96.
doi:10.4028/www.scientific.net/AMR.1103.91

Ken-ichiro Sakai, Yūki Asai, Yūta Noda, Takeshi Daio, Aki Tominaga, Kaoru Takeda, and Tsuyoshi Yoshitake
Current-induced magnetization switching at low current densities in current-perpendicular-to-plane structural Fe₃Si/FeSi₂ artificial lattices with various cross-sectional areas
JJAP Conf. Proc. Vol. 3 (2015) 011502.
doi:10.7567/JJAPCP.3.011502

Ken-ichiro Sakai, Yūki Asai, Masayasu Takeda, Kazuya Ishibashi, Yūta Noda, Kaoru Takeda, and Tsuyoshi Yoshitake
Observation of magnetization alignment switching in Fe3Si/FeSi2 artificial lattices by polarized neutron reflection
JJAP Conf. Proc. Vol. 3 (2015) 011503.
doi:10.7567/JJAPCP.3.011503

Tarek M. Mostafa, Motoki Takahara, Ryuji Baba, Suguru Funasaki, Mahmoud Shaban, Nathaporn Promros, Aki Tominaga, Maiko Nishibori, and Tsuyoshi Yoshitake
Epitaxial Growth of n-Type b-FeSi2 Thin Films on p-Type Si(111) Substrates by Radio-Frequency Magnetron Sputtering and Rectifying Action of Heterojunctions
JJAP Conf. Proc. Vol. 3 (2015) 011102.
doi:10.7567/JJAPCP.3.011102

Yuki Asai, Ken-ichiro Sakai, Kazuya Ishibashi, Kaoru Takeda, and Tsuyoshi Yoshitake
Spin Valve behavior in Current-Perpendicular-to-Plane Crossover Structural Fe3Si/FeSi2/Fe3Si Trilayered junctions
JJAP Conf. Proc. Vol. 3 (2015) 011504.
doi:10.7567/JJAPCP.3.011504

Yuki Asai, Ken-ichiro Sakai, Kazuya Ishibashi, Kaoru Takeda, and Tsuyoshi Yoshitake
Fabrication of Spin Valve Junctions Based on Fe3Si/FeSi2/Fe3Si Trilayered films
JJAP Conf. Proc. Vol. 3 (2015) 011501.
doi:10.7567/JJAPCP.3.011501

Motoki Takahara, Tarek M. Mostafa, Ryuji Baba, Suguru Funasaki, Mahmoud Shaban, Nathaporn Promros, and Tsuyoshi Yoshitake
Electric properties of carbon-doped n-type β-FeSi2/p-type Si heterojunction diodes
JJAP Conf. Proc. Vol. 3 (2015) 011101.
doi:10.7567/JJAPCP.3.011101

Kenji Hanada, Tomohiro Yoshida, You Nakagawa, Hiroki Gima, Aki Tominaga, Masaaki Hirakawa, Yoshiaki Agawa, Takeharu Sugiyama, and Tsuyoshi Yoshitake
Hardness and modulus of ultrananocrystalline diamond/hydrogenated amorphous carbon composite films prepared by coaxial arc plasma deposition
Appl. Phys. A, Vol. 119, Issue 1 (2015) pp 205-210.
doi: 10.1007/s00339-014-8949-3

片宗優貴，楢木野宏，花田賢志，冨永亜希，吉武剛
同軸型アークプラズマ堆積法による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合成
NEW DIAMOND, 第116号, Vol. 31, No. 1 (2015) pp. 8-12.

Tomohiro Yoshida, Kenji Hanada, Hiroki Gima, Ryota Ohtani, Kazushi Sumitani, Hiroyuki Setoyama, Aki Tominaga, and Tsuyoshi Yoshitake
Influences of repetition rate of arc discharges on hardness and modules of ultrananocrystalline diamond films prepared by coaxial arc plasma deposition
Mater. Res. Express, Vol. 2, No.1 (2015) 015021.
doi: 10.1088/2053-1591/2/1/015021


2014

花田賢志，杉山武晴，冨永亜希，楢木野宏，吉武剛
Crドープ超ナノ微結晶ダイヤモンド膜のX線吸収微細構造及びX線光電子分光による構造解析
九州シンクロトロン光研究センター合同シンポジウム実施報告書 (2014) 10116-117頁．

Tarek M. Mostafa, Mahmoud Shaban, Motoki Takahara, Suguru Funasaki, Aki Tominaga, Toshihiro Okajima, and Tsuyoshi Yoshitake
Extended X-ray Absorption Find-Structure Investigation of Carbon-Doped β-FeSi2
九州シンクロトロン光研究センター合同シンポジウム実施報告書 (2014) 105-106頁．

冨永亜希，楢木野宏，花田賢志，吉武 剛
超ナノ微粒子ダイヤモンド粉末へのCrドープによる磁性付与
九州シンクロトロン光研究センター合同シンポジウム実施報告書 (2014) 103-104頁．

儀間弘樹，Abdelrahman M. A.，吉武剛，冨永亜希，瀬戸山寛之，隅谷和嗣，平井康晴
同軸型アークプラズマガンによる窒素ドープn型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創製
九州シンクロトロン光研究センター合同シンポジウム実施報告書 (2014) 101-102頁．

吉田智博，花田賢志，冨永亜希，隅谷和嗣，瀬戸山寛之，吉武剛
同軸型アークプラズマ堆積法を用い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における放電周波数の影響
九州シンクロトロン光研究センター合同シンポジウム実施報告書 (2014) 99-100頁．

吉武剛，冨永亜希，瀬戸山寛之，隅谷和嗣，平井康晴
ナノカーボンによる新規太陽電池の創製
九州シンクロトロン光研究センター合同シンポジウム実施報告書 (2014) 97-98頁．

N. Promros, S. Funasaki, M. Takahara, R. Iwasaki, M. Shaban, and T. Yoshitake
Characterization of Current Transport Mechanism in Heterojunctions Comprising n-Type β-FeSi2 Films and p-Type Si Substrates
Thai Journal of Physics, Series 10 (2014) pp. 235-238.

Nathaporn Promros, Kenji Hanada, Motoki Takahara, Takanori Hanada, Li Chen, and Tsuyoshi Yoshitake
Electrical Properties of n-Type Nanocrystalline Iron Disilicide/Intrinsic Ultrananocrystalline Diamond/Amorphous Carbon Composite/p-Type Silicon Heterojunction Photodiodes
Proceeding of The 40th Congress on Science and Technology of Thailand, (2014) pp. 111-115.

Nathaporn Promros, Motoki Takahara, Ryuji Baba, Tarek M. Mostafa, Suguru Funasaki, Mahmoud Shaban, and Tsuyoshi Yoshitake
Characterization of Electrical Transport properties in n-Type β-FeSi2/Intrinsic Si/p-Type Si Heterojunctions Prepared by Facing Targets Direct-Current Sputtering
Proceeding of The 40th Congress on Science and Technology of Thailand, (2014) pp.116-120.

Hiroshi Naragino, Aki Tominaga, Satoru Hattori, and Tsuyoshi Yoshitake
Fabrication of Ultrananocrystalline Diamond Powder by Using A Coaxial Arc Plasma Gun
Proceedings of International Forum for Green Asia 2014, pp. 39-41.

Takanori Hanada, Shinya Ohmagari, and Tsuyoshi Yoshitake
Photoconduction of B-doped ultrananocrystalline diamond/hydrogenated amorphous carbon composite films in metal semiconductor metal geometry
Proceedings of International Forum for Green Asia 2014, pp. 19-22.

Hiroki Gima and Tsuyoshi Yoshitake
Heterojunction Diodes Comprising Nitrogen-doped Ultrananocrystalline Dia-mond Films Prepared by Coaxial Arc Plasma Deposition and p-Type Silicon Substrates
Proceedings of International Forum for Green Asia 2014, pp. 17-18.

吉武 剛
3.4節パルスレーザ堆積法＆3.5節スパッタリング成膜法
pp. 93-112, シリサイド系半導体の科学と技術: 資源・環境時代の新しい半導体と関連物質（前田佳均編），2014年10月 裳華房

Nathaporn Promros, Suguru Funasaki, Motoki Takahara, Mahmoud Shaban, and Tsuyoshi Yoshitake
Diode Parameters of Heterojunctions Comprising p-Type Si Substrate and n-Type β-FeSi2 Thin Films
Advanced Materials Research, Vol. 1043 (2014) pp. 57-61.

Nathaporn Promros, Li Chen, Kenji Hanada, Motoki Takahara and Tsuyoshi Yoshitake
Fabrication of n-Type Nanocrystalline Iron Disilicide/Intrinsic Ultrananocrystalline Diamond/Amorphous Carbon Composite/p-Type Silicon Heterojunctions and Their Application to Photodiodes
Proc. on The 1st Engineering Physics Conference, (2014) pp. 56 - 61.

Nathaporn Promros, Suguru Funasaki, Ryūhei Iwasaki, Motoki Takahara, Mahmoud Shaban, and Tsuyoshi Yoshitake
Near-Infrared Photodetection of Carbon-Doped n-Type Nanocrystalline FeSi2/p-Type Si Heterojunction Photodiodes
Proc. of The Burapha University International Conference, (2014) pp. 410 - 415.

Nathaporn Promros, Suguru Funasaki, Ryūhei Iwasaki, Motoki Takahara, Mahmoud Shaban, and Tsuyoshi Yoshitake
Investigation of current transport mechanism in mesa structural n-type nanocrystalline-FeSi2/p-type Si heterojunctions
Proc. of The Burapha University International Conference (2014) pp. 438 - 444.

吉武 剛
ナノカーボンを用いた新規太陽電池の創製
マツダ財団研究報告書， Vol. 26 (2014) 25-32頁.

Kazuki Tsuruta, Masaki Mito, Takuma Nagano, Yuki Katamune, and Tsuyoshi Yoshitake
Effect of ultrasonic strain on p-type silicon wafers
Jpn. J. Appl. Phys. Vol. 53, No. 7S. (2014) 07KC07.
doi:10.7567/JJAP.53.07KC07

Shinya Ohmagari, Takanori Hanada, Yūki Katamune, Sausan Al-Riyami, and Tsuyoshi Yoshitake
Carrier Transport and Photodetection in Heterojunction Photodiodes Comprising n-Type Silicon and p-Type Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films
Jpn. J. Appl. Phys. Vol. 53, No. 5 (2014) 050307.
doi:10.7567/JJAP.53.050307

冨永亜希
アーク放電法を活用し作製した粉末ナノダイヤモンドクラスターへの磁性付与機能化
日揮・実吉奨学会研究報告集，Vol. 31 (2014) 30-33頁

Ken-ichiro Sakai, Yūta Noda, Takeshi Daio, Daiki Tsumagari, Aki Tominaga, Kaoru Takeda, and Tsuyoshi Yoshitake
Current-induced Magnetization Switching at Low Current Densities in CPP Structural Fe3Si/FeSi2 Artificial Lattices
Jpn. J. Appl. Phys. Vol. 53, Issue 2S (2014) 02BC15.
doi:10.7567/JJAP.53.02BC15

Ken-ichiro Sakai, Yuta Noda, Daiki Tsumagari, Hiroyuki Deguchi, Kaoru Takeda, and Tsuyoshi Yoshitake
Temperature-Dependent Interlayer coupling in Fe3Si/FeSi2 artificial lattices
Phys. Status Solidi A, Vol. 211, No. 2 (2014) 323-328.
doi: 10.1002/pssa.201330116

Ken-ichiro Sakai, Yuki Asai, Yuta Noda, Kaoru Takeda, and Tsuyoshi Yoshitake
The fabrication of new spin devices by Fe3Si/FeSi2/Fe3Si trilayer films
Proc. of the 8th Int. Conf. on Reactive Plasmas and 31th Symp. on Plasma Proc. (2014) 6P-AM-S10-P50.

Nathaporn Promros, Ryūhei Iwasaki, Suguru Funasaki, Kyohei Yamashita, Chen Li, and Tsuyoshi Yoshitake
Temperature Dependent Current-Voltage Characteristics of n-Type Nanocrystalline-FeSi2/p-Type Si Heterojunctions Fabricated by Pulsed Laser Deposition
Advanced Materials Research, Vol. 858 (2014) pp. 171-176.
doi:10.4028/www.scientific.net/AMR.858.171


2013

Ken-ichiro Sakai, Yuta Noda, Kaoru Takeda, Masayasu Takeda, and Tsuyoshi Yoshitake
Magnetoresistance Effects in Current-Perpendicular-to-Plane Structures based on Fe3Si/FeSi2 artificial lattices
Phys. Status Solidi C, Vol. 10, No. 12 (2013) pp. 1862-1865.
doi: 10.1002/pssc.201300322

Suguru Funasaki, Nathaporn Promros, Ryuhei Iwasaki, Motoki Takahara, Mahmoud Shaban, and Tsuyoshi Yoshitake
Fabrication of mesa structural n-type nanocrystalline-FeSi2/p-type Si heterojunction photodiodes by liftoff technique combined with photolithography
Phys. Status Solidi C, Vol. 10, No. 12 (2013) pp. 1785-1788.
doi: 10.1002/pssc.201300346

Yūki Katamune and Tsuyoshi Yoshitake
Optical and Electrical Properties of Boron-doped Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared by Coaxial Arc Plasma Deposition
Proceedings of The 15th Cross Straits Symposium on Materials, Energy and Environment Science and Technology (2013)　pp. 70-71.

Suguru Funasaki, Ryuhei Iwasaki, Nathaporn Promros, Mahmoud Shaban, and Tsuyoshi Yoshitake
Electrical Properties of Mesa Structural n-type Nanocrystalline-FeSi2/p-type Si Heterojunction Photodiodes
Proceedings of The 15th Cross Straits Symposium on Materials, Energy and Environment Science and Technology (2013)　pp. 68-69.

Hiroki Gima and Tsuyoshi Yoshitake
Fabrication of n-type ultrananocrystalline diamond/hydrogenated amorphous carbon composite films prepared by coaxial arc plasma deposition (II)
Proceedings of The 15th Cross Straits Symposium on Materials, Energy and Environment Science and Technology (2013)　pp. 48-49.

Takanori Hanada, Shinya Ohmagari, and Tsuyoshi Yoshitake
Metal-Semiconductor-Metal Photodetection of Boron-doped Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films
Proceedings of The 15th Cross Straits Symposium on Materials, Energy and Environment Sciences (2013) pp. 46-47.

Nathaporn Promros, Chen Li, Suguru Funasaki, Ryūhei Iwasaki, Motoki Takahara, Tsuyoshi Yoshitake
Influences of Carbon-doping on Local Bonding Structure in NC-FeSi2 and Electrical Properties of Heterojunction Combined with p-Type Si
Proceeding of The 39th Congress on Science and Technology of Thailand, (2013) pp. 91-94.

Sausan Al-Riyami, Hiroki Gima, Hiroshi Akamine, and Tsuyoshi Yoshitake
Chemical Bonding of Nitrogenated Ultrananocrystalline Diamond Films Deposited on Titanium Substrates by Pulsed Laser Deposition
ECS J. Solid State Sci. Technol., Vol. 2, issue 11 (2013) M33-38.
doi: 10.1149/2.016311jss

Yūtaro Ueda, Takeshi Daio, Tomohiro Yoshida, Aki Tominaga, Toshihiro Okajima, and Tsuyoshi Yoshitake
Crystalline-Structural Evaluations of Cubic AlN Thin Films Heteroepitaxially Grown on Sapphire(0001) by Pulsed Laser Deposition
Jpn. J. Appl. Phys. Vol. 52, No. 8 (2013) 08JE03.
doi: 10.7567/JJAP.52.08JE03

Nathaporn Promros, Suguru Funasaki, Ryūhei Iwasaki, and Tsuyoshi Yoshitake
Electrical Characteristics of n-Type Nanocrystalline FeSi2/Intrinsic Si/p-Type Si Heterojunctions Prepared by Facing-Targets Direct-Current Sputtering
Applied Mechanics and Materials Vol. 446-447 (2014) pp. 88-92.

Nathaporn Promros, Suguru Funasaki, Ryūhei Iwasaki, and Tsuyoshi Yoshitake
Current Transport Mechanism of n-Type Nanocrystalline FeSi2/Intrinsic Si/p-Type Si Heterojunctions Fabricated by Facing-Targets Direct-Current Sputtering
Advanced Materials Research Vol. 802 (2013) pp. 199-203.

Sausan Al-Riyami, Hiroki Gima, Mahmoud Shaban, and Tsuyoshi Yoshitake
Effects of Hydrogen and Nitrogen Atmospheres on Growth of Ultrananocrystalline Diamond/Amorphous Carbon Composite Films by Reactive Pulsed Laser Deposition
Jpn. J. Appl. Phys. Vol. 52, No. 6 (2013) 06GG06.
doi: 10.7567/JJAP.52.06GG06

ナノカーボンによる新規太陽電池の創製
吉武 剛
化学工業，6月号(2013) 1-6頁[401-406].

Nathaporn Promros, Ryūhei Iwasaki, Suguru Funasaki, Kyohei Yamashita, and Tsuyoshi Yoshitake
Characterizations of Mesa Structural Near-Infrared n-Type Nanocrystalline-FeSi2/p-Type Si Heterojunction Photodiodes at Low Temperatures
Advanced Materials Research, Vol. 747 (2013) pp. 217-220.
doi:10.4028/www.scientific.net/AMR.747.217

Yūki Katamune, Shinya Ohmagari, Sausan Al-Riyami, Seishi Takagi, Mahmoud Shaban, and Tsuyoshi Yoshitake
Heterojunction Diodes Comprising p-Type Ultrananocrystalline Diamond Films Prepared by Coaxial Arc Plasma Deposition and n-Type Silicon Substrates
Jpn. J. Appl. Phys. Vol. 52, No. 6 (2013) 065801.
doi: 10.7567/JJAP.52.065801

Sausan Al-Riyami, Hiroyuki Setoyama, Kazushi Sumitani, Yasuharu Hirai, and Tsuyoshi Yoshitake
Nitrogenation Effects on n-Type Electrical Conductivity of Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared by Pulsed Laser Deposition
ECS Transactions, Vol. 50, issue 20 (2013) pp. 41-47.
doi: 10.1149/05022.0041ecst

Sausan Al-Riyami and Tsuyoshi Yoshitake
Nitrogenated Ultrananocrystalline Diamond/Amorphous Carbon Composite Films Deposited on Titanium Substrates by Pulsed Laser Deposition
ECS Transactions, Vol. 50, issue 20 (2013) pp.13-20.
doi: 10.1149/05022.0013ecst

Y. Katamune, S. Ohmagari, H. Setoyama, K. Sumitani, Y. Hirai, and T. Yoshitake
Formation of n-Type Ultrananocrystalline Diamond/Nonhydrogenated Amorphous Carbon Composite Films Prepared by Coaxial Arc Plasma Deposition with Boron-Incorporated Graphite Targets
ECS Transactions, Vol. 50, issue 20 (2013) pp. 23-28.
doi:10.1149/05020.0023ecst

Nathaporn Promros, Li Chen, and Tsuyoshi Yoshitake
Evaluation of n-Type Nanocrystalline FeSi2/p-Type Si Heterojunctions Prepared by Pulsed Laser Deposition as Near-Infrared Photodetectors
J. Nanosci. Nanotechnol. Vol. 13, No. 5 (2013) pp. 3577-3581.
doi:10.1166/jnn.2013.7311

Y. Noda, K. Sakai, T. Sonoda, D. Tsumagari, K. Takeda, and T. Yoshitake
Fabrication of Current-Perpendicular-to-Plane Junctions Based on Fe3Si/FeSi2 Multilayered Films by Lift-Off
ECS Transactions, Vol. 50, issue 10 (2013) pp. 223-228.
doi: 10.1149/05010.0223ecst

R. Iwasaki, N. Promros, K. Yamashita, S. Izumi, S. Funasaki, M. Shaban, and T. Yoshitake
Necessity of Epitaxial Growth of beta-FeSi₂ Thin Films in Formation of n-Type β-FeSi₂/p-Type Si Heterojunction Photodiodes
ECS Transactions, Vol. 50, issue 6 (2013) pp. 157-162.
doi: 10.1149/05006.0157ecst

R. Iwasaki, K. Yamashita, N. Promros, S. Izumi, S. Funasaki, M. Shaban, and T. Yoshitake
Near-Infrared Light Detection of n-Type β-FeSi2/Intrinsic Si/p-Type Si Heterojunction Photodiodes at Low Temperatures
ECS Transactions, Vol. 50, issue 6 (2013) pp. 129-135.
doi: 10.1149/05006.0129ecst

Shota Izumi, Mahmoud Shaban, Nathaporn Promros, Keita Nomoto, and Tsuyoshi Yoshitake
Near-Infrared Photodetection of beta-FeSi2/Si Heterojunction Photodiodes at Low Temperatures
Appl. Phys. Lett. Vol. 102, Issue 3 (2013) 032107.
http://dx.doi.org/10.1063/1.4789391

E. Garratt, S. AlFaify, T. Yoshitake, Y. Katamune, M. Bowden, M. Nandasiri, M. Ghantasala, D.C. Mancini, and A. Kayani
Effect of chromium underlayer on the properties of nano-crystalline diamond films
Appl. Phys. Lett. Vol. 102, issue 1 (2013) 011913.
http://dx.doi.org/10.1063/1.4774086


2012

大曲 新矢，花田 賢志，片宗 優貴，吉田 智博，吉武 剛
物理気相成長法による超ナノ微結晶ダイヤモンドの生成とドーピングによる結晶粒成長促進効果
日本結晶成長学会誌, Vol. 39, No. 4 (2012) pp. 196-203.

Nathaporn Promros, Ryūhei Iwasaki, Suguru Funasaki, Kyohei Yamashita, and Tsuyoshi Yoshitake
Preparation of Mesa Structural Near-Infrared n-Type Nanocrystalline-FeSi2/p-Type Si Heterojunction Photodiodes
Proc. of The 15th International Conference of International Academy of Physical Sciences (2012) pp. 95-100.

吉武 剛
新規光電変換材料である超ナノ微結晶ダイヤモンド/アモルファスカーボンの分光法による構造評価
東北大学多元物質科学研究所・九州シンクロトロン光研究センター合同シンポジウム実施報告書 (2012) pp. 46-50.

吉武 剛，大曲新矢，アリヤミ サウサン，片宗優貴，儀間弘樹，花田尊徳，冨永亜希，瀬戸山寛之，隅谷和嗣，平井康晴
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光電変換素子への応用
東北大学多元物質科学研究所・九州シンクロトロン光研究センター合同シンポジウム実施報告書 (2012) pp. 106-107.

大曲 新矢・吉武 剛
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受光素子への応用
表面科学，Vol. 33, No. 10 (2012) pp. 583-588.

Nathaporn Promros, Kyohei Yamashita, Ryūhei Iwasaki, and Tsuyoshi Yoshitake
Influences of Hydrogen Passivation on Near-Infrared Photodetection of n-Type β-FeSi2/p-Type Si Heterojunction Photodiodes
Jpn. J. Appl. Phys. Vol. 51, No. 10 (2012) 108006.

Nathaporn Promros, Kyohei Yamashita, Shota Izumi, Ryūhei Iwasaki, Mahmoud Shaban, and Tsuyoshi Yoshitake
Near-Infrared Photodetection of n-Type β-FeSi2/intrinsic Si/p-Type Si Heterojunctions at low temperatures
Jpn. J. Appl. Phys. Vol. 51, No. 9 (2012) 09MF02.

Mahmoud Shaban and Tsuyoshi Yoshitake
Interface Properties of Nanocrystalline-FeSi2/Crystalline-Si Near-Infrared Heterojunction Photodiodes
IEEE J. Quantum Electrionics, Vol. 48, No. 11 (2012) pp. 1432-1438.

吉武 剛，岩崎竜平，船崎 優，ポンロス ナタポーン，陳 立，山下恭平，泉 翔太
鉄シリサイド半導体の光電変換素子の現状と今後の課題
第20回シリサイド系半導体研究会講演予稿集 (2012) pp. 17-20.

Shinya Ohmagari and Tsuyoshi Yoshitake
p-Type Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared by Pulsed Laser Deposition and Their Application to Photodetectors
Jpn. J. Appl. Phys. Vol. 51, No. 9, (2012) 090123 (Selected Topics in Applied Physics).
10.1143/JJAP.51.090123

Hirotoshi Mori, Yosuke Odahara, Daisuke Shigyo, Tsuyoshi Yoshitake, and Eisaku Miyoshi
Electronic Band Structure Calculations on Thin Films of the L21 Full Heusler Alloys X2YSi (X, Y = Mn, Fe, and Co): toward Spintronic Materials
Thin Solid Films, Vol. 520, Issue 15 (2012) pp. 4979-4983.

Yoji Akaki, Kyohei Yamashita, Tsuyoshi Yoshitake, Shigeuki Nakamura, Satoru Seto, Takahiro Tokuda, Kenji Yoshino
Characterization of AgInS2 thin films prepared by vacuum evaporation
Physica B: Condensed Matter, Vol. 407, Issue 15 (2012) pp. 2858-2860.

Yūki Katamune, Shinya Ohmagari, and Tsuyoshi Yoshitake
Boron-Induced Dramatically Enhanced Growth of Diamond Grains in Nanocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films deposition by Coaxial Arc Plasma Deposition
Jpn. J. Appl. Phys. Vol. 51, No. 7 (2012) 078003.
10.1143/JJAP.51.078003

Shinya Ohmagari and Tsuyoshi Yoshitake
Deep-Ultraviolet Light Detection of p-Type Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films
Appl. Phys. Express, Vol. 5, No. 6 (2012) 065202.
10.1143/APEX.5.065202

Yūki Katamune, Shinya Ohmagari, Itsuroh Suzuki, and Tsuyoshi Yoshitake
Aluminum Incorporation Effects on Diamond Grain Growth in Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared by Coaxial Arc Plasma Deposition
Jpn. J. Appl. Phys., Vol. 51, No. 6 (2012) 068002.
10.1143/JJAP.51.068002

泉 翔太，川井健司，吉武 剛
リソグラフィーによる半導体β-FeSi2 を用いたフォトトランジスタの創製
平成23年度九州地区ナノテクノロジーネットワーク拠点ネットワーク成果報告書＜MEMS測定解析支援＞(2012) pp. 90-91.

堺 研一郎，平川信一，吉武 剛
微細加工による強磁性金属Fe3Si/半導体FeSi2/強磁性金属Fe3Siスピン注入素子の創製
平成23年度九州地区ナノテクノロジーネットワーク拠点ネットワーク成果報告書＜MEMS測定解析支援＞(2012) pp. 88-89.

Aki Tominaga, Kenji Hanada, Tomohiro Yoshida, and Tsuyoshi Yoshitake
Preparation of Diamond Nanocrystallites in Powder by Using a Coaxial Arc Plasma Gun
Mater. Res. Symp. Proc., Vol. 1395 (2012) mrsf11-1395-n12-30 (6 pages).

Shinya Ohmagari, Yūki Katamune, Hikaru Ichinose, and Tsuyoshi Yoshitake
Roles of boron in growth of diamond grains in ultrananocrystalline diamond/hydrogenated amorphous carbon composite films prepared by pulsed laser deposition
Mater. Res. Symp. Proc., Vol. 1395 (2012) mrsf11-1395-n12-17 (6 pages).

Kyohei Yamashita, Nathaporn Promros, Ryūhei Iwasaki, Shota Izumi and Tsuyoshi Yoshitake
Influences of hydrogen passivation on NIR photodetection of n-type β-FeSi2/p-type Si heterojunction photodiodes fabricated by facing-targets direct-current sputtering
Mater. Res. Symp. Proc., Vol. 1396 (2012) mrsf11-1396-o07-18 (6 pages).

Nathaporn Promros, Kyohei Yamashita, Chen Li, Kenji Kawai, Mahmoud Shaban, Toshihiro Okajima, and Tsuyoshi Yoshitake
n-Type Nanocrystalline FeSi2/intrinsic Si/p-Type Si Heterojunction Photodiodes fabricated by Facing-Targets Direct-Current Sputtering
Jpn. J. Appl. Phys. Vol. 51, No. 2 (2012) 021301.

Ken-ichiro Sakai, Takayuki Sonoda, Shin-ichi Hirakawa, Kaoru Takeda, and Tsuyoshi Yoshitake
Current-Induced Magnetization Switching in Fe₃Si/FeSi₂ Artificial Lattices
Jpn. J. Appl. Phys. Vol. 51, No. 2 (2012) 028004.

Shinya Ohmagari, Yūki Katamune, Hikaru Ichinose, and Tsuyoshi Yoshitake
Enhanced growth of diamond grains in ultrananocrystalline diamond/hydrogenated amorphous carbon composite films by pulsed laser deposition with boron-blended graphite targets"
Jpn. J. Appl. Phys. Vol. 51, No. 2 (2012) 025503.


2011

吉武 剛
新規太陽電池材料 ナノカーボンと鉄シリサイド半導体の研究開発の現状
第3回半導体材料・デバイスフォーラム講演予稿集 (2011) pp. 6-9.

Sausan Al-Riyami, Hikaru Ichinose, and Tsuyoshi Yoshitake
Electrical Properties of n-Type Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Applicable to Photovoltaics
Technical Digest of the 21st International Photovoltaic Science and Engineering Conference (2011) 4D-1P-10.

Nathaporn Promros, Kyohei Yamashita, Kenji Kawai, Ryūhei Iwasaki, Mahmoud Shaban, and Tsuyoshi Yoshitake
Photovoltaic Properties of n-type Nanocrystalline FeSi2/i-Si/p-Type Si Heterojunctions Prepared by Facing-Targets Direct-Current Sputtering
Technical Digest of the 21st International Photovoltaic Science and Engineering Conference (2011) 3D-1P-33.

Shinya Ohmagari, Yūki Katamune, and Tsuyoshi Yoshitake
Photovoltaic Characteristics of  Ultrananocrystalline Diamond/Hydrogenated Amorphous carbon Composite Films Evaluated under UV Light
Technical Digest of the 21st International Photovoltaic Science and Engineering Conference (2011) 3D-1P-23.

Nathaporn Promros, Kyohei Yamashita, Ryūhei Iwasaki, Shota Izumi, Mahmoud Shaban, and Tsuyoshi Yoshitake
Current transport mechanism in n-type β-FeSi2/p-type Si heterojunction photodiodes prepared by facing-targets direct-current sputtering
Proceedings of The 13th Cross Straits Symposium on Materials, Energy and Environment Sciences (2011) pp. 179-180.

Kyohei Yamashita, Nathaporn Promros, Ryūhei Iwasaki, Shota Izumi, and Tsuyoshi Yoshitake
Influences of hydrogen passivation on photodetection of n-type β-FeSi2/p-type Si heterojunction photodiodes fabricated by facing-targets direct-current sputtering
Proceedings of The 13th Cross Straits Symposium on Materials, Energy and Environment Sciences (2011) pp. 175-176.

Takayuki Sonoda, Yūta Noda, Shinichi Hirakawa, Kenichiro Sakai, Kaoru Takeda,and Tsuyoshi Yoshitake
Current-induced magnetization switching in Fe3Si/FeSi2 multilayerd films
Proceedings of The 13th Cross Straits Symposium on Materials, Energy and Environment Sciences (2011) pp. 159-160.

Hikaru Ichinose, Sausan Al-Riyami, and Tsuyoshi Yoshitake Mechanical properties of silicon-doped ultrananocrystalline diamond/hydrogenated amorphous carbon composite films
Proceedings of The 13th Cross Straits Symposium on Materials, Energy and Environment Sciences (2011) pp. 157-158.

 Shinya Ohmagari, Yūki Katamune, and Tsuyoshi Yoshitake Ultrananocrystalline diamond/hydrogenated amorphous carbon composite films for photovoltaic applications
Proceedings of The 13th Cross Straits Symposium on Materials, Energy and Environment Sciences (2011) pp. 43-44.

  Mahmoud Shaban, Nathaporn Promros, Shota Izumi, and Tsuyoshi Yoshitake Structural and electrical properties of sputtered b-FeSi2 films deposited on Si(111) substrates for photovoltaic applications Proc. of IQCMEA-ICF-Processing, Performance and Failure Analysis of Engineering Materials (2011), pp. 442-446.   Mahmoud Shaban, Chen Li, Nathaporn Promros, and Tsuyoshi

Yoshitake Electrical properties of nanocrystalline-FeSi2 films prepared by pulsed laser deposition
Proc. of IQCMEA-ICF-Processing, Performance and Failure Analysis of Engineering Materials (2011), pp. 437-441.

Yoji Akaki, Kyohei Yamashita, Tsuyoshi Yoshitake, Shigeuki Nakamura, Takahiro Tokuda, and Kenji Yoshino
Effect of H2S Annealing on Ag-Rich Ag–In–S Thin Films Prepared by Vacuum Evaporation
Jpn. J. Appl. Phys. Vol. 50, No. 5 (2011) 05FB06.

Sausan Al-Riyami, Shinya Ohmagari, and Tsuyoshi Yoshitake Erratum: “Nitrogen-Doped Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared by Pulsed Laser Deposition” [Applied Physics Express 3 (2010) 115102]
Appl. Phys. Express, Vol. 4, No. 10 (2011) 109201.

中西剛司，髙崎理一，武田薫，堺研一郎，平川信一，園田貴之，吉武剛 Fe3Si/FeSi2人工格子の高圧下における電気抵抗測定 福岡工業大学エレクトロニクス研究所所報，第28巻 (2011) 1-4頁．

Tsuyoshi Yoshitake, Shinya Ohmagari and Sausan AL-Riyami, Ryota Ohtani, Kazushi Sumitani, Hiroyuki Setoyama, Eiichi Kobayashi, Toshihiro Okajima, and Yasuharu Hirai
Basic study on the application of ultrananocrystalline diamond/hydrogenated amorphous carbon to photodiodes NanotechJapan Bulletin, Vol. 4, No. 4, 2011-08-24 (2011) No. 20. 

Shin-ichi Hirakawa, Takayuki Sonoda, Ken-ichiro Sakai, Kaoru Takeda, and Tsuyoshi Yoshitake Temperature-Dependent Current-Induced Magnetization Switching in Fe3Si/FeSi2/Fe3Si trilayered films
Jpn. J. Appl. Phys. Vol. 50, No. 8 (2011) 08JD06.

Sausan Al-Riyami, Shinya Ohmagari, and Tsuyoshi Yoshitake Near-Edge X-ray Absorption Fine-Structure Spectroscopic Study on Nitrogen-Doped Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared by Pulsed Laser Deposition
Jpn. J. Appl. Phys. Vol. 50, No. 8 (2011) 08JD05.

大曲新矢，吉武 剛 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を用いたフォトダイオードの作製 NEW DIAMOND 第102号, Vol. 27, No. 3 (2011) pp. 40-41.

Sausan Al-Riyami, Shinya Ohmagari, and Tsuyoshi Yoshitake Fourier Transform Infrared Spectroscopic Study of Nitrogen-Doped Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared by Pulsed laser Deposition Diamond Relat. Mater. Vol. 20 (2011) pp. 1072-1075.

Shin-ichi Hirakawa, Ken-ichiro Sakai, Takayuki Sonoda, Kaoru Takeda, and Tsuyoshi Yoshitake
Current-Induced Magnetization Switching in Fe3Si/FeSi2 Superlattices Physics Procedia, Vol. 11 (2011) pp. 154-157.   Shinya Ohmagari, Sausan Al-Riyami, and Tsuyoshi Yoshitake p-Type Ultrananocrystalline Diamond:Hydrogenated Amorphous Carbon Composite/n-Type Si Heterojunction Diodes Fabricated by Pulsed Laser Deposition
Jpn. J. Appl. Phys. Vol. 50, No. 3 (2011) 035101.

Mahmoud Shaban and Tsuyoshi Yoshitake
n-Type β-FeSi₂/p-type Si near-infrared photodiodes prepared by facing-targets direct-current sputtering
in  Advances in Photodiodes (InTech Open Access Publisher, March 2011) Chap. 1, pp. 315-330.

Department of Applied Science for Electronics and Materials, Kyushu University