長崎大学工学部・工学研究科 材料組織物性学研究室

Articles (2015~)

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Uniaxial Magnetization and Electrocatalytic Performance for Hydrogen Evolution on Electrodeposited Ni Nanowire Array Electrodes with Ultra-High Aspect Ratio
Y. Sako, R. Saeki, M. Hayashida, T. Ohgai
Nanomaterials 14(9), 755 (2024)
 
Random crystal orientation and tensile strength of nanocrystalline dumbbell-shaped copper thick films electrodeposited from acidic aqueous solutions containing polyethylene glycol
R. Kawakami, R. Saeki, T. Ohgai
Materials Research Express 10(12), 126515 (2023)
 
Micro-Vickers Hardness of Cu and Cu2O Dual Phase Composite Films Electrodeposited from Acidic Aqueous Solutions Containing Polyethylene Glycol
R. Kawakami, R. Saeki, S. Munetoh, T. Ohgai
Crystals 13(12), 1654 (2023)
 
Microhardness and Tensile Strength of Electrochemically Synthesized Nickel-Cobalt Binary Alloy Sheets Exfoliated from a Dumbbell-shaped Titanium Cathode
R. Saeki, T. Doi, M. Hayashida, T. Ohgai
Materials Research Express 10(4), 046504 (2023)
 
Effect of Ni addition on CPP-GMR response in electrodeposited Co-Ni/Cu multilayered nanocylinders with an ultra-large aspect ratio
K. Nagao, M. Hayashida, T. Ohgai
Materials Research Express 9(7), 075007 (2022)
 
Magnetization and microhardness of iron–chromium alloy films electrodeposited from an aqueous solution containing N, N-dimethylformamide
R. Saeki, T. Yakita, T. Ohgai
Journal of Materials Research and Technology 18, 2735-2744 (2022)
 
Microhardness and heat-resistance performance of ferromagnetic cobalt-molybdenum nanocrystals electrodeposited from an aqueous solution containing citric acid
T. Matsuda, R. Saeki, M. Hayashida, T. Ohgai
Materials Research Express 9(4), 046502 (2022)
 
Nanocrystalline structure and microhardness of cobalt-chromium alloys electrochemically synthesized using a metal hydroxide coprecipitation technique
R. Saeki, T. Ohgai
Materials Research Express 9(2), 026515 (2022)
 
Post-Annealing Effects on the Structure and Semiconductor Performance of Nanocrystalline ZnTe Thin Films Electrodeposited from an Aqueous Solution Containing Citric Acid
J. Ohta, T. Ohgai
Applied Sciences 11(22), 10632 (2021)
 
Current-perpendicular-to-plane giant magnetoresistance in Co/Cu multilayered nanocylinders electrodeposited into anodized aluminum oxide nanochannels with ultra-large aspect ratio
T. Ide, M. Hayashida, T. Ohgai
Journal of Materials Science: Materials in Electronics 32(8), 10089-10100 (2021)
 
CPP-GMR Performance of Electrodeposited Metallic Multilayered Nanowires with a Wide Range of Aspect Ratios.
R. Saeki, S. Mizoguchi, H. Kamimura, M. Hayashida, T. Ohgai
Journal of Magnetism and Magnetic Materials 529, 167849 (2021)
 
Determination of Cobalt Spin-Diffusion Length in Co/Cu Multilayered Heterojunction Nanocylinders Based on Valet–Fert Model.
S. Mizoguchi, M. Hayashida, T. Ohgai
Nanomaterials 11(1), 218 (2021)
 
Perpendicular magnetization performance of hcp-cobalt nanocylinder array films electrodeposited from an aqueous solution containing cobalt (II)–citrate complexes.
R. Saeki, T. Ohgai
Journal of Materials Research and Technology 9(4), 8029-8040 (2020)
 
Mechanical Properties of Solder-jointed Copper Rods with Electrodeposited Sn-Zn Alloy Films.
T. Tsurusaki, T. Ohgai
Materials 13(6), 1330 (2020)
 
CPP-GMR Performance of Electrochemically Synthesized Co/Cu Multilayered Nanowire Arrays with Extremely Large Aspect Ratio.
H. Kamimura, M. Hayashida, T. Ohgai
Nanomaterials 10(1), 5 (2020)
 
Determination of Cathode Current Efficiency for Electrodeposition of Ferromagnetic Cobalt Nanowire Arrays in Nanochannels with Extremely Large Aspect Ratio.
R. Saeki, T. Ohgai
Results in Physics 15, 102658 (2019)
 
Uniaxial Magnetization Reversal Process in Electrodeposited High-density Iron Nanowire Arrays with Ultra-large Aspect Ratio.
C. Neetzel, H. Kamimura, M. Hayashida, T. Ohgai
Results in Physics 15, 102653 (2019)
 
Determination of Crystal Growth Geometry Factors and Nucleation Site Densities of Electrodeposited Ferromagnetic Cobalt Nanowire Arrays.
R. Saeki, T. Ohgai
Crystals 9(3), 142 (2019)
 
Determination of Activation Overpotential during the Nucleation of Hcp-Cobalt Nanowires Synthesized by Potentio-static Electrochemical Reduction.
R. Saeki, T. Ohgai
Materials 11(12), 2355 (2018)
 
Effect of Growth Rate on the Crystal Orientation and Magnetization Performance of Cobalt Nanocrystal Arrays Electrodeposited from Aqueous Solution.
R. Saeki, T. Ohgai
Nanomaterials 8(8), 566 (2018)
 
Uniaxial Magnetization Performance of Textured Fe Nanowire Arrays Electrodeposited by a Pulsed Potential Deposition Technique.
C. Neetzel, T. Ohgai, T. Yanai, M. Nakano and H. Fukunaga
Nanoscale Research Letters 12, 598 (2017)
 
Uniaxial Magnetization Performance of Co-Al2O3 Nano-composite Films Electrochemically Synthesized from Acidic Aqueous Solution.
C. Neetzel, T. Ohgai, T. Yanai, M. Nakano and H. Fukunaga
Journal of Solid State Electrochemistry 20(6), 1665-1672 (2016)
 
Facile wet-chemical synthesis of differently shaped cuprous oxide particles and a thin film: Effect of catalyst morphology on the glucose sensing performance.
C. Neetzel, F. Muench, T. Matsutani, J.C. Jaud, J. Broetz, T. Ohgai, W. Ensinger
Sensors and Actuators B: Chemical 214, 189-196 (2015)
 
Magnetic Fe-Co films electroplated in a deep-eutectic-solvent-based plating bath.
T. Yanai, K. Shiraishi, Y. Watanabe, T. Ohgai, M. Nakano, K. Suzuki, H. Fukunaga
Journal of Applied Physics 117(17), 17A925 (2015)
 
Fe-Pt thick-film magnets prepared by electroplating method.
T. Yanai, K. Furutani, T. Ohgai, M. Nakano, K. Suzuki, H. Fukunaga
Journal of Applied Physics 117(17), 17A744 (2015)
 
Improvement in current efficiency of electroplated Fe-Ni films prepared in citric-acid-based baths.
Y. Watanabe, T. Yanai, M. Otsubo, A. Takahashi, T. Ohgai, M. Nakano, K. Suzuki, H. Fukunaga
Journal of Applied Physics 117(17), 17A326 (2015)