Journal Paper

• Ryota Takasaka, Noritsugu Umehara, Takayuki Tokoroyama, Ruixi Zhang, Koichi Okamura, Junichi Fukuda, Tetsuya Hayashi, Kohei Abe, Satoshi Wakamatsu. Abnormal Wear due to Synergistic Effects of Corrosion and Cavitation in High-Speed Flow of Glycol-Based Hydraulic Fluid Valve Surfaces, Tribology Online, Vol. 20, Issue 2, pp. 100-109, June 2025.
• Ruixi Zhang, Dmitry Levshov, Keigo Otsuka, Ya Feng, Yongjia Zheng, Esko I. Kauppinen, Shohei Chiashi, Wim Wenseleers, Sofie Cambré, Rong Xiang, Shigeo Maruyama. Efficient Growth of 1D Van der Waals Heterostructures on Zeolite-Supported SWCNTs, Small, Wiley-VCH, Vol. 21, Issue 8, pp. 1-10, Feb. 2025.
• Wenjun Wu, Motoyuki Murashima, Noritsugu Umehara, Takayuki Tokoroyama, Ruixi Zhang. Low friction of nitrogen-doped diamond-like carbon coating due to acidic liquid film and nitrogen-doped graphite oxide generated by dielectric barrier discharge in ambient air, Surfaces and Interfaces, Elsevier, Vol. 56, No. 105591, pp. 1-10, Jan. 2025.

International Conference (Reviewed)

• Yuki Hirata, Yuya Tamura, Nobuharu Kajiyama, Ruixi Zhang. Sputtering-Annealing Hybrid Process for Synthesis of 2D Materials and van der Waals Heterostructures, 35th International Conference on Diamond and Carbon Materials, Sept. 2025.
• Kenta Yamamoto, Akane Sakakura, Makoto Kano, Ruixi Zhang, Yuki Hirata. Deposition of ta-C Films on Anisotropically Rough Surface and its Tribological Properties under Biodegradable Oil Lubrication, 35th International Conference on Diamond and Carbon Materials, Sept. 2025.
• Ruixi Zhang, Dmitry Levshov, Keigo Otsuka, Esko I. Kauppinen, Shohei Chiashi, Wim Wenseleers, Sofie Cambre, Rong Xiang, Shigeo Maruyama. Improvement in synthesis efficiency of 1D van der Waals Boron Nitride Heteronanotubes on Zeolite-supported SWCNTs at the TEM grid scale, 35th International Conference on Diamond and Carbon Materials, Sept. 2025.
• Ruixi Zhang, Daiki Yokota, Takumi Ishikawa, Hiroshige Matsuoka, Yuki Hirata. Multilayer Chromium/DLC Coatings: Synthesis and Tribological Properties, The 6th DLC Symposium - Gifu, 2025, Aug. 2025.

International Conference (Not reviewed / Unknown)

• Daiki Yokota, Takumi Ishikawa, Hiroshige Matsuoka, Ruixi Zhang, Yuki Hirata. Synthesis and Evaluation of Metal-Doped DLC Films for Enhanced Mechanical and Tribological Performance, 35th International Conference on Diamond and Carbon Materials, Sept. 2025.
• Shota Zenke, Ruixi Zhang, Kenta Yamamoto, Makoto Kano, Yuki Hirata. Enhancement of Friction and Wear Performance by DLC Films Deposited on Surfaces with Anisotropic Roughness under Biodegradable Oil Lubrication, The 6th DLC Symposium - Gifu, 2025, Aug. 2025.
• Takahito Imanishi, Ruixi Zhang, Nobuharu Kajiyama, Yuki Hirata. Characterization and Future Prospects of 2D Materials Grown by the SAHP Method, The 6th DLC Symposium - Gifu, 2025, Aug. 2025.

Domestic Conference (Not reviewed / Unknown)

• 善家昇大, Ruixi Zhang, Kentaro Yamamoto, 加納眞, Yuki Hirata. 異方的粗さを有する基材へのDLC成膜による環境調和型油潤滑下のトライボロ ジー特性向上, トライボロジー会議2025 秋 函館, Oct. 2025.
• 今西崇士, Ruixi Zhang, Nobuharu Kajiyama, Yuki Hirata. SAHP法による二次元材料の合成及び機 能評価, トライボロジー会議2025 秋 函館, Oct. 2025.
• Ruixi Zhang, 横田大樹, 石川功, 松岡広成, Yuki Hirata. クロムの多層構造を介在させたDLC膜における低摩擦特性の実現, トライボロジー会議2025 秋 函館, Oct. 2025.

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