Multiphoton Ionization-Mass Spectrometric Study on Laser Ablation of Polymethylmethacrylate and Polystyrene at 308 nm
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概要
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A multiphoton ionization-mass spectrometric study has been made on laser ablation of polymethylmethacrylate and polystyrene films by an excimer laser at 308 nm. "Unzipping" reactions occurred, i.e., neutral fragments ablating from the polymer surface were predominantly monomer and dimer methylmethacrylate and monomer and dimer styrene. Exponential dependence of fragment yields on ablating laser fluence and the Maxwell-Boltzmann-type velocity distributions of ablating species were found, They are due to an essentially thermal or photothermal ablation mechanism of these polymers in the experimental conditions.
- 社団法人応用物理学会の論文
- 1995-01-15
著者
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Nishio Shigeru
Materials And Structures Laboratory Tokyo Institute Of Technology
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Sato Hiroyasu
Department Of Electrical And Communication Engineering Tohoku University
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Nishio Satoru
Department Of Cardiology St. Marianna University School Of Medicine
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Nishio Satoru
Materials And Structures Laboratory Tokyo Institute Of Technology
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TSUNEKAWA Makoto
Department of Chemistry for Materials, Faculty of Engineering, Mie University
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Tsunekawa Makoto
Department Of Chemistry For Materials Faculty Of Engineering Mie University
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Sato Hiroyasu
Department Of Applied Physics Faculty Of Engineering Hokkaido University
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Nishio Satoru
Department of Applied Chemistry, Faculty of Science and Engineering, Ritsumeikan University
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