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學術出版;;Publications

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收集所有交通大學研究人員與學生個人或團體所發表之各項學術著作，涵蓋期刊論文、教師專書、學位論文等項。;;Collections of Publications of NCTU Researchers and Students Like Journal Papers and Thesis.

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🏛️國立陽明交通大學機構典藏

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    Enhancement of subband effective mass in Ag/Ge(111) thin film quantum wells
    (2008-12-01)
    Tang, S. -J.
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    Chang, Wen-Kai
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    Chiu, Yu-Mei
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    Chen, Hsin-Yi
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    Cheng, Cheng-Maw
    Subband dispersions of quantum-well states in Ag films on Ge(111) have been determined by angle-resolved photoemission. The effective masses of the subbands at the zone center increase substantially for decreasing film thicknesses. This peculiar behavior is attributed to a kinetic constraint for standing-wave formation governed by a momentum-dependent phase-shift function. No evidence is found for in-plane electron localization within the confined geometry.
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    Blinking suppression of colloidal CdSe/ZnS quantum dots by coupling to silver nanoprisms
    (2009-06-15)
    Yuan, C. T.
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    Yu, Pyng
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    Tang, Jau
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    光電工程學系
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    Department of Photonics
    Fluorescence blinking of quantum dots (QDs) is a common but annoying behavior for practical applications as fluorescent markers or single photon sources. We demonstrate here, by coupling colloidal CdSe/ZnS QDs to silver nanoprisms, fluorescence blinking behavior can be suppressed. For most of coupled QDs, two emissive states with different fluorescence intensities and lifetime were observed. We suggest that energy transfer could play an important role in suppressing blinking behavior.
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    Hard repulsive barrier in hot adatom motion during dissociative adsorption of oxygen on Ag(100)
    (2009-11-07)
    Hsieh, Ming-Feng
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    Lin, Deng-Sung
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    Gawronski, Heiko
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    Morgenstern, Karina
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    物理研究所
    Random pairing simulation and low temperature scanning tunneling microscopy (STM) are used to investigate the detailed O(2) dissociative adsorption processes at 200 K for various coverages. The distribution of oxygen adatoms shows a strong repulsion between the adsorbates with a radius of similar to 0.8 nm. The comparison between STM results and simulation reveals two prominent pairing distances of 2 and 4 nm and their branching ratio is about 2:1. These findings shed new light on the origin of the large intrapair distances found and on the process behind the empirical "eight-site rule.".