川原田 洋

研究成果

年別の研究成果 1980 1990 2002 2003 2005 2006 2007 2008 2010 2012 2015 2017 2019 2021 2022 2022

• 321 Article
• 21 Conference contribution
• 11 Conference article
• 7 Review article
• 12 その他
  • 4 Paper
  • 4 Editorial
  • 2 Chapter
  • 2 Comment/debate

年別の研究成果

年別の研究成果

検索結果

• Surface-modified diamond field-effect transistors for enzyme-immobilized biosensors

  Song, K. S., Degawa, M., Nakamura, Y., Kanazawa, H., Umezawa, H. & Kawarada, H., 2004 6月 15, In: Japanese Journal of Applied Physics, Part 2: Letters. 43, 6 B, p. L814-L817

  研究成果: Article › 査読

  • Biosensors 100%
  • Enzymes 94%
  • bioinstrumentation 89%
  • enzymes 87%
  • Field effect transistors 87%
  57 被引用数 (Scopus)

• Surface morphology and surface p-channel field effect transistor on the heteroepitaxial diamond deposited on inclined β-SiC(001) surfaces

  Kawarada, H., Wild, C., Herres, N., Koidl, P., Mizuochi, Y., Hokazono, A. & Nagasawa, H., 1998 12月 1, In: Applied Physics Letters. 72, 15, p. 1878-1880 3 p.

  研究成果: Article › 査読

  • diamonds 100%
  • field effect transistors 98%
  • inclination 40%
  • deviation 29%
  • performance 18%
  17 被引用数 (Scopus)

• Surface order evaluation of the heteroepitaxial diamond film grown on an inclined β-SiC(001)

  Kono, S., Goto, T., Abukawa, T., Wild, C., Koidl, P. & Kawarada, H., 2000, In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 39, 7 B, p. 4372-4373 2 p.

  研究成果: Article › 査読

  • Diamond films 100%
  • diamond films 72%
  • Ultrahigh vacuum 52%
  • Dimers 50%
  • evaluation 41%
  7 被引用数 (Scopus)

• Synthesis of highly oriented and dense conical carbon nanofibers by a DC bias-enhanced microwave plasma CVD method

  Zhong, G., Iwasaki, T., Kawarada, H. & Ohdomari, I., 2004 10月, In: Thin Solid Films. 464-465, p. 315-318 4 p.

  研究成果: Article › 査読

  • Carbon nanofibers 100%
  • Plasma Chemical Vapour Deposition 92%
  • Chemical vapor deposition 79%
  • Carbon Nanofibre 73%
  • Plasmas 63%
  12 被引用数 (Scopus)

• Temperature and incident beam-current dependence of dominant free-exciton recombination radiation from high-purity chemical vapor deposition (CVD) diamonds

  Yamaguchi, A., Yamashita, S., Tsutsumi, T. & Kawarada, H., 1994 8月, In: Japanese journal of applied physics. 33, 8, p. L1063-L1065

  研究成果: Article › 査読

  • Excitons 100%
  • Chemical vapor deposition 66%
  • beam currents 58%
  • Diamonds 56%
  • purity 48%
  9 被引用数 (Scopus)

• Temperature-dependent localized excitations of doped carriers in superconducting diamond

  Ishizaka, K., Eguchi, R., Tsuda, S., Chainani, A., Yokoya, T., Kiss, T., Shimojima, T., Togashi, T., Watanabe, S., Chen, C. T., Takano, Y., Nagao, M., Sakaguchi, I., Takenouchi, T., Kawarada, H. & Shin, S., 2008 4月 25, In: Physical Review Letters. 100, 16, 166402.

  研究成果: Article › 査読

  • sidebands 100%
  • diamonds 76%
  • phonons 65%
  • replicas 51%
  • excitation 46%
  21 被引用数 (Scopus)

• The synthesis of diamond films at lower pressure and lower temperature using magneto-microwave plasma CVD

  Suzuki, J. I., Kawarada, H., Mar, K. S., Wei, J., Yokota, Y. & Hiraki, A., 1989 2月, In: Japanese journal of applied physics. 28, 2 A, p. L281-L283

  研究成果: Article › 査読

  • Plasma CVD 100%
  • Diamond films 83%
  • diamond films 59%
  • Microwaves 48%
  • low pressure 46%
  54 被引用数 (Scopus)

• Three-dimensional graphene nanosheet encrusted carbon micropillar arrays for electrochemical sensing

  Penmatsa, V., Kim, T., Beidaghi, M., Kawarada, H., Gu, L., Wang, Z. & Wang, C., 2012 6月 12, In: Nanoscale. 4, 12, p. 3673-3678 6 p.

  研究成果: Article › 査読

  • Nanosheets 100%
  • Graphene 78%
  • Nanosheet 54%
  • Carbon 50%
  • Electrostatics 42%
  55 被引用数 (Scopus)

• Threshold voltage control of electrolyte solution gate field-effect transistor by electrochemical oxidation

  Naramura, T., Inaba, M., Mizuno, S., Igarashi, K., Kida, E., Mohd Sukri, S. F., Shintani, Y. & Kawarada, H., 2017 7月 3, In: Applied Physics Letters. 111, 1, 013505.

  研究成果: Article › 査読

  • electrochemical oxidation 100%
  • threshold voltage 61%
  • electrolytes 54%
  • diamonds 52%
  • field effect transistors 51%
  6 被引用数 (Scopus)

• Time-dependent dielectric breakdown of atomic-layer-deposited Al₂O₃ films on GaN

  Hiraiwa, A., Sasaki, T., Okubo, S., Horikawa, K. & Kawarada, H., 2018 4月 21, In: Journal of Applied Physics. 123, 15, 155303.

  研究成果: Article › 査読

  • breakdown 100%
  • life (durability) 65%
  • insulation 30%
  • margins 17%
  • semiconductor devices 16%
  14 被引用数 (Scopus)

• Trapping mechanism on oxygen-terminated diamond surfaces

  Itoh, Y., Sumikawa, Y., Umezawa, H. & Kawarada, H., 2006, In: Applied Physics Letters. 89, 20, 203503.

  研究成果: Article › 査読

  • diamonds 100%
  • trapping 96%
  • oxygen 75%
  • field effect transistors 39%
  • hysteresis 38%
  20 被引用数 (Scopus)

• Triple nitrogen-vacancy centre fabrication by C₅N₄H _n ion implantation

  Haruyama, M., Onoda, S., Higuchi, T., Kada, W., Chiba, A., Hirano, Y., Teraji, T., Igarashi, R., Kawai, S., Kawarada, H., Ishii, Y., Fukuda, R., Tanii, T., Isoya, J., Ohshima, T. & Hanaizumi, O., 2019 12月 1, In: Nature communications. 10, 1, 2664.

  研究成果: Article › 査読

  Open Access

  • Ion Implantation 100%
  • Nitrogen 81%
  • ion implantation 75%
  • Ions 68%
  • registers 65%
  18 被引用数 (Scopus)

• Ultrashallow TiC source/drain contacts in diamond MOSFETs formed by hydrogenation-last approach

  Jingu, Y., Hirama, K. & Kawarada, H., 2010 5月, In: IEEE Transactions on Electron Devices. 57, 5, p. 966-972 7 p., 4.

  研究成果: Article › 査読

  • Titanium carbide 100%
  • Hydrogenation 87%
  • Diamonds 69%
  • Diamond 66%
  • Hydrogen 36%
  38 被引用数 (Scopus)

• Understanding the stability of a sputtered Al buffer layer for single-walled carbon nanotube forest synthesis

  Ohashi, T., Kato, R., Tokune, T. & Kawarada, H., 2013 6月, In: Carbon. 57, p. 401-409 9 p.

  研究成果: Article › 査読

  • Buffer layers 100%
  • Single-walled carbon nanotubes (SWCN) 96%
  • Sputtering 75%
  • Single Walled Nanotube 64%
  • Thermal evaporation 59%
  13 被引用数 (Scopus)

• Valence band electronic structures of heavily boron-doped superconducting diamond studied by synchrotron photoemission spectroscopy

  Yokoya, T., Nakamura, T., Matsushita, T., Muro, T., Ikenaga, E., Kobata, M., Kobayashi, K., Takano, Y., Nagao, M., Takenouchi, T., Kawarada, H. & Oguchi, T., 2007, In: New Diamond and Frontier Carbon Technology. 17, 1, p. 11-20 10 p.

  研究成果: Article › 査読

  • Valence bands 100%
  • Photoelectron spectroscopy 94%
  • Electronic structure 82%
  • Synchrotrons 73%
  • Boron 63%
  4 被引用数 (Scopus)

• Vertical edge graphite layer on recovered diamond (001) after high-dose ion implantation and high-temperature annealing

  Inaba, M., Seki, A., Sato, K., Kushida, T., Kageura, T., Yamano, H., Hiraiwa, A. & Kawarada, H., 2017 9月, In: Physica Status Solidi (B) Basic Research. 254, 9, 1700040.

  研究成果: Article › 査読

  • Ion implantation 100%
  • Ion Implantation 90%
  • Diamonds 73%
  • Annealing 73%
  • Graphite 73%
  6 被引用数 (Scopus)

• Vertically aligned carbon nanotube growth from Ni nanoparticles prepared by ion implantation

  Iwasaki, T., Mejima, S., Koide, T., Morikane, R., Nakayama, H., Shinada, T., Ohdomari, I. & Kawarada, H., 2008 7月, In: Diamond and Related Materials. 17, 7-10, p. 1443-1446 4 p.

  研究成果: Article › 査読

  • Ion implantation 100%
  • Ion Implantation 90%
  • Carbon nanotubes 78%
  • Nanoparticles 73%
  • Carbon Nanotube 53%
  1 被引用数 (Scopus)

• Vertical SNS weak-link Josephson junction fabricated from only boron-doped diamond

  Watanabe, M., Kanomata, R., Kurihara, S., Kawano, A., Kitagoh, S., Yamaguchi, T., Takano, Y. & Kawarada, H., 2012 5月 14, In: Physical Review B - Condensed Matter and Materials Physics. 85, 18, 184516.

  研究成果: Article › 査読

  • Superconducting materials 100%
  • Boron 86%
  • Superconductor 85%
  • Josephson junctions 78%
  • Conductor 76%
  14 被引用数 (Scopus)

• Vertical-type two-dimensional hole gas diamond metal oxide semiconductor field-effect transistors

  Oi, N., Inaba, M., Okubo, S., Tsuyuzaki, I., Kageura, T., Onoda, S., Hiraiwa, A. & Kawarada, H., 2018 12月 1, In: Scientific reports. 8, 1, 10660.

  研究成果: Article › 査読

  Open Access

  • Semiconductors 100%
  • Diamond 91%
  • Oxides 84%
  • Metals 60%
  • Gases 59%
  35 被引用数 (Scopus)

• Very high yield growth of vertically aligned single-walled carbon nanotubes by point-arc microwave plasma CVD

  Zhong, G., Iwasaki, T., Honda, K., Furukawa, Y., Ohdomari, I. & Kawarada, H., 2005 3月, In: Chemical Vapor Deposition. 11, 3, p. 127-130 4 p.

  研究成果: Article › 査読

  • Plasma CVD 100%
  • Single-walled carbon nanotubes (SWCN) 75%
  • Plasma Chemical Vapour Deposition 74%
  • Single Walled Nanotube 50%
  • Microwaves 48%
  89 被引用数 (Scopus)

• Very low Schottky barrier height at carbon nanotube and silicon carbide interface

  Inaba, M., Suzuki, K., Shibuya, M., Lee, C. Y., Masuda, Y., Tomatsu, N., Norimatsu, W., Hiraiwa, A., Kusunoki, M. & Kawarada, H., 2015 3月 23, In: Applied Physics Letters. 106, 12, 123501.

  研究成果: Article › 査読

  • silicon carbides 100%
  • carbon nanotubes 89%
  • electric contacts 72%
  • electrical resistivity 39%
  • durability 11%
  11 被引用数 (Scopus)