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主要な学術論文

  1. Hedong Zhang, Motoo Fukuda, Hitoshi Washizu, Tomoyuki Kinjo, Hiroaki Yoshida, Kenji Fukuzawa, Shintaro Itoh, “Shear Thinning Behavior of Nanometer-thick Perfluoropolyether Films Confined between Corrugated Solid Surfaces: A Coarse-grained Molecular Dynamics Study," Tribology International, Vol. 93, pp. 163-171, 2016.1
  2. Takayuki Kobayashi, Hedong Zhang, Kenji Fukuzawa, Shintaro Itoh, “Coarse-Grained Molecular Dynamics Simulation of Nanometer-Thick Polar Lubricant Films Sheared Between Solid Surfaces with Random Roughness," IEEE Transactions on Magnetics, Vol. 51, No. 11, 3300704 (4 pages), 2015.11.
  3. 三矢保永,張賀東,難波克也,福澤健二,伊藤伸太郎,“ボールオンディスク試験用の高速摺動子アセンブリの開発と分子潤滑膜の速度依存摩擦特性の測定,” トライボロジスト, Vol. 60, No.2, pp. 144-152, 2015.2.
  4. Renguo Lu, Hedong Zhang, Yasunaga Mitsuya, Kenji Fukuzawa, Shintaro Itoh, “Influence of Surface Roughness and Coating on the Friction Properties of Nanometer-thick Liquid Lubricant Films," Wear, Vol. 139, Nos. 1-2, pp. 56-61, 2014.11.
  5. Renguo Lu, Hedong Zhang, Suguru Komada, Yasunaga Mitsuya, Kenji Fukuzawa, Shintaro Itoh, “Surface Functionalization by Fine Ultraviolet-Patterning of Nanometer-Thick Liquid Lubricant Films," Applied Surface Science, Vol. 320, pp. 102-111, 2014.11.
  6. Renguo Lu, Hedong Zhang, Yasunaga Mitsuya, Kenji Fukuzawa, Shintaro Itoh, “Contributions of Mobile and Bonded Molecules to Dynamic Friction of Nanometer-thick Perfluoropolyether Films Coated on Magnetic Disk Surfaces,” Tribology Letters, Vol. 54, No. 3, pp. 237-247, 2014.6.
  7. Motoo Fukuda, Hedong Zhang, Takahiro Ishiguro, Kenji Fukuzawa, Shintaro Itoh, “Structure-based Coarse-graining for Inhomogeneous Liquid Polymer Systems,” Journal of Chemical Physics, Vol. 139, No. 5, pp. 054901-1-11, 2013.8.
  8. Motoo Fukuda, Hedong Zhang, Takahiro Ishiguro, Kenji Fukuzawa, Shintaro Itoh, “Adhesion Properties of Nanometer-thick Perfluoropolyether Films Confined between Solid Surfaces: A Coarse-grained Molecular Dynamics Study,” Tribology Letters, Vol. 51, No. 3, pp. 479-487, 2013.9.
  9. Md. Khorshed Alam, Hedong Zhang, Nobuaki Koga, Satoru Iuchi, “Ultraviolet Bonding of Perfluoropolyethers to Carbon Surfaces Investigated using Quantum Chemical Methods,” Microsystems Technologies, Vol. 19, No. 9-10, pp. 1383-1391, 2013.9.
  10. Renguo Lu, Hedong Zhang, Yasunaga Mitsuya, Kenji Fukuzawa, Shintaro Itoh, “Friction Measurements of Nanometer-thick Lubricant Films Using Ultra-smooth Sliding Pins Treated with Gas Cluster Ion Beam,” Applied Surface Science, Vol. 280, pp. 619-625, 2013.5.
  11. Renguo Lu, Hedong Zhang, Masashi Itakura, Kenji Fukuzawa, Shintaro Itoh, “Adhesion Properties of Monolayer Lubricant Films Coated on Magnetic Disk Surfaces: Contributions of Mobile and Bonded Molecules,” IEEE Transactions on Magnetics, Vol. 48, No. 11, pp. 4269-4272, 2012.11.
  12. 張賀東,三矢保永,難波克也,榊原寛幸,福澤健二,伊藤伸太郎,“ガスクラスタイオンビーム加工によるガラス面の表面粗さおよび表面エネルギーの変化,”トライボロジスト, Vol. 57, No.2, pp. 116-122, 2012.2.
  13. Hedong Zhang, Taiki Takimoto, Kenji Fukuzawa, Shitaro Itoh, “Effect of Ultraviolet Irradiation on Adhesion of Nanometer-Thick Lubricant Films Coated on Magnetic Disk Surfaces,” IEEE Transactions on Magnetics, Vol. 47, No. 1, pp. 94-99, 2011.1.
  14. 張賀東,小松新始,福澤健二,伊藤伸太郎,“紫外線照射によるナノ液体潤滑膜のパターニングに関する粗視化分子動力学シミュレーション,”日本機械学会論文集(C編), Vol. 76, No. 767, pp. 1819-1826, 2010.7.
  15. Hedong Zhang, Yasunaga Mitsuya, Yosuke Fujikawa, Akira Fuwa, Kenji Fukuzawa, “Solvent Effects on Friction Properties of Monolayer Perfluoropolyether Films Coated on Magnetic Disk Surfaces,” IEEE Transactions on Magnetics, Vol. 45, No. 10, pp. 3632-3635, 2009.10.
  16. 張賀東,三矢保永,不破暁,藤川陽介,福澤健二,“磁気ディスク表面単分子層潤滑膜における流動分子と固定分子の摩擦特性,” 日本機械学会論文集(C編),Vol. 75, No. 749, pp. 178-183, 2009.1.
  17. Hedong Zhang, Yasunaga Mitsuya, Akira Fuwa, Yosuke Fujikawa, Kenji Fukuzawa, “Effect of Thermal Bonding on Frictional Properties of Monolayer Lubricant Films Coated on Magnetic Disk Surfaces,” IEEE Transactions on Magnetics, Vol. 44, No. 11, pp. 3637-3640, 2008.11.
  18. Yasunaga Mitsuya, Hedong Zhang, Junichi. Ohgi, Kenji Fukuzawa, “Experimental Comparisons of Spreading and Replenishment Flows of Molecularly Thin Lubricant Films Coated on Magnetic Disks,” IEEE Transactions on Magnetics, Vol. 44, No. 11, pp. 3641-3644, 2008.11.
  19. Susumu Ogata, Hedong Zhang, Kenji Fukuzawa, Yasunaga Mitsuya, “Quantification of the Surface Morphology of Lubricant Films With Polar End Groups Using Molecular Dynamics Simulation: Periodic Changes in Morphology Depending on Film Thickness,” ASME Journal of Tribology, Vol. 130, No. 2, pp. 022301-1-9, 2008.4.
  20. 張賀東,三矢保永,工藤由貴,福澤健二,“磁気ディスク表面における分子潤滑膜に及ぼす紫外線照射の効果(分子末端基の影響),” 日本機械学会論文集(C編),Vol. 74, No. 740, pp. 970-977, 2008.4.
  21. Yinbo He, Hedong Zhang, Kenji Fukuzawa, Yasunaga Mitsuya, “Fly Height Measurement Based on Phase Comparison Michelson Interferometry Using Low-Coherence Light Source,” IEEE Transaction on Magnectics, Vol. 44, No. 2, pp. 309-314, 2008.2.
  22. 張賀東,三矢保永,藤川陽介,不破暁,賀銀波,福澤健二,“磁気ディスク表面における潤滑剤分子の配列構造の形成に伴う摩擦特性の変化,” 日本機械学会論文集(C編),Vol. 74, No. 737, pp. 162-168, 2008.1.
  23. Hedong Zhang, Yasunaga Mitsuya, Yosuke Fujikawa, Akira Fuwa, Yinbo He, Kenji Fukuzawa, “Changes in Friction Properties of Monolayer Lubricant Films Induced by Development of Molecules’ Bonding,” Tribology Letters, Vol. 28, No. 2, pp. 163-170, 2007.11.
  24. Yasunaga Mitauya, Yasuji Ohshima, Hedong Zhang, Kei Aoyama, Toshiyuki Kawai, Kenji Fukuzawa, “Stiffness and Damping of Thin PFPE Lubricant Bridging Between Magnetic Disk and Diamond Probe Tip,” ASME Journal of Tribology, Vol. 129, No. 4, pp. 720-728, 2007.10.
  25. Hedong Zhang, Takahiro. Banno, Yasunaga Mitsuya, Kenji Fukuzawa, “Direct Visualization of Molecularly Thin Lubricant Films Using Low-Coherence Phase-Shifting Interferometry,” IEEE Transaction on Magnectics, Vol. 43, No. 9, pp. 3699-3704, 2007.9.
  26. Yinbo He, Yosuke Fujikawa, Hedong Zhang, Kenji Fukuzawa, Yasunaga Mitsuya, “Evaluations of Tribological Characteristics of PFPE Lubricants on DLC Surfaces of Magnetic Disks,” Tribology Letters, Vol. 27, No. 1, pp. 1-11, 2007.7.
  27. Yoichi Tagaya, Kenji Fukuzawa, Hedong Zhang, Yasunaga Mitsuya, “Evaluation of Spreading Characteristics of Monolayer Lubricant Films on Magnetic Disks Using Molecular Dynamics Simulation,” IEEE Transaction on Magnectics, Vol. 43, No. 6, pp. 2229-2231, 2007.6.
  28. 張賀東,三矢保永,坂野貴裕,福澤健二,“低コヒーレンス位相シフト干渉法を用いたナノ潤滑膜の三次元画像計測,” 日本機械学会論文集(C編),Vol. 73, No. 730, pp. 1862-1868, 2007.6.
  29. Hedong Zhang, Yasunaga Mitsuya, Maiko Yamada, Kenji Fukuzawa, “Measurement of Spreading Characteristics of Molecularly Thin Lubricant Films over Grooved Solid Surfaces Based on Diffraction Simulations,” Microsystem Technologies, Vol. 13, No. 8-10, pp. 895-904, 2007.5.
  30. Yinbo He, Hedong Zhang, Yasunaga Mitsuya, Kenji Fukuzawa, “Head-Disk Spacing Measurement Based on Michelson Interferometry Using White Light Illumination,” Microsystem Technologies, Vol.13, No. 3, pp. 647-655, 2007.4.
  31. Hedong Zhang, Yasunaga Mitsuya, Natsuko Fukuoka, Masashi Imamura, Kenji Fukuzawa, “Self-Organized Patterning of Molecularly Thin Liquid Polymer Films Utilizing Molecular Flow Induced by Ultraviolet Irradiation,” Applied Physics Letters, Vol. 90, p. 123119-1-3, 2007.3.
  32. 張賀東,三矢保永,山田麻衣子,福澤健二,“回折シミュレーションに基づく溝状テクスチャ付き表面における分子潤滑膜の表面流動特性の測定,” 日本機械学会論文集(C編), Vol. 73, No. 727, pp. 863-870, 2007.3.
  33. 尾形晋,張賀東,福澤健二,三矢保永,“分子動力学法による極性高分子潤滑膜の表面モルフォロジーの定量化-モルフォロジー変動の膜厚依存性-,” トライボロジスト,Vol. 51, No. 8, pp. 595-606, 2006.8.
  34. 張賀東,三矢保永,福岡夏子,今村公嗣,福澤健二,“紫外線照射による分子潤滑膜のナノ凹凸テクスチャの形成,” 日本機械学会論文集(C編),Vol. 72, No. 718, pp. 1927-1935, 2006.6.
  35. 張賀東,三矢保永,今村公嗣,福岡夏子,福澤健二,“磁気ディスク表面におけるナノ分子潤滑膜の存在形態と流動特性に及ぼす紫外線照射の効果,” 日本機械学会論文集(C編), Vol. 72, No. 716, pp. 1271-1278, 2006.4.
  36. 三矢保永,張賀東,早川文洋,大木潤一,福澤健二,“磁気ディスクのDLC表面におけるPFPE系分子層潤滑膜の減耗・修復特性,” トライボロジスト,Vol. 51, No. 4, pp. 316-327, 2006.4.
  37. Hedong Zhang, Yasunaga Mitsuya, Masashi Imamura, Natsuko Fukuoka, Kenji Fukuzawa, “Effect of Ultraviolet Irradiation on the Interactions between Perfluoropolyether Lubricant and Magnetic Disk Surfaces,” Tribology Letters, Vol. 20, Nos. 3-4, pp. 191-199, 2005.12.
  38. Hedong Zhang, Yasunaga Mitsuya, Eiji Nakai, Keiko Goto, Kenji Fukuzawa, “Thickness and Adhesion Force Distributions in Spreading Region of Molecularly Thin Lubricant Films on Magnetic Disks,” IEEE Transaction on Magnectics, Vol. 41, No. 10, pp. 3001-3003, 2005.10.
  39. 尾形晋,張賀東,福澤健二,三矢保永,“ナノメニスカスの形成・破断に関する分子動力学シミュレーション,” トライボロジスト,Vol. 50, No. 2, pp. 170-179, 2005.2.
  40. Hedong Zhang, Yasunaga Mitsuya, Natsuko Fukuoka, Kenji Fukuzawa, “Spreading Characteristics of Monolayer Lubricant Films on Surfaces with Lube Textures,” ASME Journal of Tribology, Vol. 127, No. 1, pp. 164-170, 2005.1.
  41. 張賀東,三矢保永,福岡夏子,福澤健二,“化学的テクスチャ付き表面における単分子層潤滑膜の表面流動特性,” トライボロジスト,Vol. 49, No. 1, pp. 92-101, 2004.1.
  42. Hedong Zhang, Yasunaga Mitsuya, Maiko Yamada, “Spreading Characteristics of Molecularly Thin Lubricant on Surfaces with Groove-Shaped Textures: Effects of Molecular Weight and End-Group Functionality,” ASME Journal of Tribology, Vol. 125, No. 2, pp. 350-357, 2003.4.
  43. Hedong Zhang, Yasunaga Mitsuya, Maiko Yamada, “Spreading Characteristics of Molecularly Thin Lubricant on Surfaces with Groove-Shaped Textures: Monte Carlo Simulation and Measurement Using PEPE Film,” ASME Journal of Tribology, Vol. 124, No. 3, pp. 575-583, 2002.7.
  44. 張賀東, 三矢保永, 山田麻衣子,“溝状テクスチャ付表面における分子層潤滑膜の表面流動特性-分子量および極性基の影響-,” トライボロジスト,Vol. 47, No. 2, pp. 119-128, 2002.2.
  45. 張賀東, 三矢保永, 山田麻衣子,“溝状テクスチャ付表面における分子層潤滑膜のスプレッディング特性(モンテカルロシミュレーションとPEPE薄膜を用いた測定),” 日本機械学会論文集(C編),Vol. 67, No. 660, pp. 2664-2672, 2001.8.
  46. Yasunaga Mitsuya, Hedong Zhang, Sakiko Ishida, “Two-Dimensional Measurements of Lubricant Spreading on Diamond-Like-Carbon Surface Using Image Processing on Fringe Patterns Formed by Michelson Interferometry,” ASME Journal of Tribology, Vol. 123, No. 1, pp. 188-195, 2001.1.
  47. 三矢保永, 張賀東, 石田紗貴子,“マイケルソン顕微干渉法を用いた磁気ディスク表面における潤滑膜流動の二次元画像計測,” 日本機械学会論文集(C編),Vol. 66, No. 651, pp. 3655-3663, 2000.11.
  48. Hedong Zhang, Yutaka Tsuchiya, “Applicability of Time Integrated Spectroscopy Based on the Microscopic Beer-Lambert Law to Finite Turbid Media with Curved Boundaries,” Optical Review, Vol. 7, No. 5, pp. 473-478, 2000.9.
  49. Hedong Zhang, Tsuneyuki Urakami, Yutaka Tsuchiya, Zukang. Lu, Teruo Hiruma, “Time Integrated Spectroscopy of Turbid Media Based on the Microscopic Beer-Lambert Law: Application to Small-Size Phantoms Having Different Boundary Conditions,” Journal of Biomedical Optics, Vol. 4, No. 1, pp. 183-190, 1999.1.
  50. Hedong Zhang, Yutaka Tsuchiya, Tsuneyuki Urakami, Mitsuharu Miwa, Yutaka Yamashita, “Time Integrated Spectroscopy of Turbid Media Based on Microscopic Beer-Lambert Law: Consideration of the Wavelength Dependence of Scattering Properties,” Optics Communications, Vol. 153, pp. 314-322, 1998.8.
  51. Hedong Zhang, Mitsuharu Miwa, Yutaka Yamashita, Yutaka Tsuchiya, “Quantitation of Absorbers in Turbid Media Using Time Integrated Spectroscopy Based on Microscopic Beer-Lambert Law,” Japanese Journal of Applied Physics, Vol. 37, No. 5A, pp. 2724-2727, 1998.5.
  52. Hedong Zhang, Mitsuharu Miwa, Tsuneyuki Urakami, Yutaka Yamashita, Yutaka Tsuchiya, “Simple Subtraction Method for Determining the Mean Pathlength Traveled by Photons in Turbid Media,” Japanese Journal of Applied Physics, Vol. 37, No. 2, pp. 700-704, 1998.2.

解説

  1. 張賀東, “ガスクラスタイオンビーム加工によるガラス面の表面特性の変化", 精密工学会誌, Vol. 82, No. 4, pp. 325-328, 2016.4.
  2. 張賀東, “粗視化分子動力学シミュレーションを用いたナノ厚さ液体潤滑膜の凝着特性解析", 分子シミュレーション研究会会誌 アンサンブル, Vol. 17, No. 1(通巻69号), pp. 24-29, 2015.1.
  3. 張賀東, “ナノ厚さ液体潤滑膜の微細テクスチャリングによる新規なトライボ表面の創成", 潤滑経済, No. 595, pp. 2-7, 2014.12.
  4. 張賀東, “ナノ厚さ液体膜のパターニングによる機能性潤滑表面の創成", トライボロジスト, Vol. 57, No. 8, pp. 522-527, 2012.8.
  5. 張賀東,三矢保永,“紫外線照射を利用したナノ潤滑膜の特性制御,” トライボロジスト,Vol. 54, No. 3, pp. 154-159, 2009.3.
  6. 三矢保永,張賀東,“紫外線照射境界部の分子流動を利用した分子潤滑膜のナノ凹凸パターンの生成,” レーザ加工学会誌,Vol. 13, No. 1, pp. 59-62, 2006.3.

招待講演

  1. 張賀東,“Tailoring Characteristics of Molecularly Thin Lubricant Films by UV-Patterning,” トライボロジー学会2011春東京 トライボロジー国際フォーラム,2011.5.23-5.25.
  2. Hedong Zhang, Taiki Takimoto, Kenji Fukuzawa, Shintaro Itoh, “Effect of Ultraviolet Irradiation on Adhesion of Nanometer-Thick Lubricant Films Coated on Magnetic Disk Surfaces,” The 21st Magnetic Recording Conference (TMRC 2010), La Jolla, California, USA, 2010.8.16-18.
  3. Hedong Zhang, Yasunaga Mitsuya, Yosuke Fujikawa, Kenji Fukuzawa, “Effect of Solvents on Frictional Properties of Monolayer Lubricant Films Coated on Magnetic Disk Surfaces,” The 5th China International Symposium on Tribology (CIST 2008), Beijing, China, 2008.9.24-27.
  4. Hedong Zhang, Takahiro Banno, Yasunaga Mitsuya, Kenji Fukuzawa, “Direct Visualization of Molecularly Thin Lubricant Films Using Low-Coherence Phase-Shifting Interferometry,” Asia-Pacific Magnetic Recording Conference 2006 (APMRC2006), Singapore, 2006.11.29-12.1.
  5. 張賀東,“化学的テクスチャ付き表面における単分子層潤滑膜の表面流動特性(受賞講演),” トライボロジー会議2005秋,東京,2005.11.16-18.