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8. algorithmic matchmaking

Author

YAN, Chenfeng

Subjects
Marketing, FOS: Economics and business, Business
Abstract

An online experiment is registered here. We intend to learn consumer acceptance of algorithmic matchmaking services.

Published
2022
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11. Research Progress of POSS-containing Photoresist Materials.

Author

YOU Fengjuan, HAN Jun, YAN Chenfeng, and WANG Liyuan

Subjects
PHOTORESISTS, GLASS transition temperature, MANUFACTURING processes, PERMITTIVITY
Abstract

Photoresists are the key materials for micro-pattern processing. Polyhedral oligomeric silsesquioxane (POSS) is a kind of reinforcement material for polymer with regular cage structure. The polymer modified by POSS realizes organic-inorganic nano-hybridization. The introduction of rigid structure of POSS hinders the movement of polymer molecules, and so significantly increases the glass transition temperature (Tg), reduces the dielectric constant and improves the mechanical properties of the polymers. The etch resistance of POSS-containing photoresist is also enhanced. Based on these advantages, POSS-containing photoresist materials have attracted extensive attention. The research progress on POSS-containing photoresists is briefly introduced. [ABSTRACT FROM AUTHOR]

Published
2019

15. Simultaneous three-photon-excited violet upconversion luminescence of Ce^3+:Lu_2Si_2O_7 single crystals by femtosecond laser irradiation

Author

Dong, Yongjun, primary, Xu, Jun, additional, Zhao, Guangjun, additional, Yan, Chenfeng, additional, Zhou, Guoqing, additional, Su, Liangbi, additional, Yang, Luyun, additional, Qiu, Jianrong, additional, Lin, Lihuang, additional, Liang, Xiaoyan, additional, Li, Ruxin, additional, Xu, Zhizhan, additional, and Ren, Qiushi, additional

Published
2006
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16. Simultaneous three-photon-excited violet upconversion luminescence of Ce3+:Lu2Si2O7single crystals by femtosecond laser irradiation

Author

Dong, Yongjun, Xu, Jun, Zhao, Guangjun, Yan, Chenfeng, Zhou, Guoqing, Su, Liangbi, Yang, Luyun, Qiu, Jianrong, Lin, Lihuang, Liang, Xiaoyan, Li, Ruxin, Xu, Zhizhan, and Ren, Qiushi

Abstract

We found that Ce3+:Lu2Si2O7 single crystals could be excited at 800 nm by using a femtosecond Ti:sapphire laser. The emission spectra of Ce3+:Lu2Si2O7 crystals were the same for one-photon excitation at 267 nm as for excitation at 800 nm. The emission intensity of Ce3+:Lu2Si2O7 crystals was found to depend on the cube of the laser power at 800 nm, consistent with simultaneous absorption of three 800 nm photons. The measured value of the three-photon absorption cross section is σ3=2.44×10-77cm6s2.

Published
2006

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