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The development of synchrotron-assisted scanning probe microscopy at NSRRC

Journal of physics: Conference Series 2013年第1期463卷

作者： Yuet-Loy Chan Xihui Liang Tsung-Hsuan Wu Dah-An Lu Meng-Fan Luo Yao-Jane Hsu D H Wei National Synchrotron Radiation Research Center Hsinchu 30076 Taiwan Department of Physics National Central University Taoyuan 32001 Taiwan Department of Physics National Sun Yat-sen University Kaohsiung 80424Taiwan Graduate Program for Science and Technology of Synchrotron Light Source National Tsing Hua University 30013 Hsinchu Taiwan

Synchrotron-based X-ray microspectroscopy is a technique that brings together microscopy and X-ray spectroscopy. It can be considered as an experimental approach capable of extracting X-ray spectrum from a finite area, or an alternative way of constructing images with spectroscopic contrast. The goal of this project is to integrate the functions of scanning tunnelling electron microscope (STM) with near edge X-ray absorption fine structure (NEXAFS) spectroscopy. Here, we describe our experimental setup, followed by recent results that demonstrate the feasibility of acquiring NEXAFS spectrum with a SiO2 coated STM tip.

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Poster abstracts

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Sleep and Biological Rhythms 2016年第1期5卷 A1-A189页

作者： J. Ferrie M. Shipley F. Cappuccio E. Brunner M. Miller M. Kumari M. Marmot A. Coenen J. L. Castillo F. Araya G. Bustamante L. Montecino C. Torres S. Oporto J. Gronli E. Fiske R. Murison B. Bjorvatn E. Sorensen R. Ursin C. M. Portas S. Rajaraman A. Gribok N. Wesensten T. Balkin J. Reifman N. Dursunoglu S. Ozkurt S. Baser O. Delen S. Sarikaya P. Sadler P. Mitchell D. Françon M. Decobert B. Herve A. Richard G. Griebel P. Avenet B. Scatton G. L. Fur D. Eckert A. Jordan A. Wellman S. Smith A. Malhotra D. White D. Bruck I. Thomas A. Kritikos W. Oertel K. Stiasny-Kolster D. Garcia-Borreguero W. Poewe B. Hoegl R. Kohnen E. Schollmayer J. Keffel C. Trenkwalder A. Valle S. Roizenblatt F. Fregni P. Boggio S. Tufik K. Ward L. Robertson L. Palmer P. Eastwood D. Hillman J. Lee S. Mukherjee V. de Padova G. Barbato G. Ficca I. Zilli P. Salzarulo M. Veldi T. Hion V. Vasar M. Kull L. Nowak J. Davis Y. Latzer O. Tzischinsky S. Crowley M. Carskadon M. Anca-Herschkovitsch D. Frey J. Ortega C. Wiseman C. Farley K. Wright A. Campbell A. Neill K. Spiegel R. Leproult E. Tasali N. Scherberg E. van Cauter A. T. Noradina N. A. Karim I. Norlinah A. A. Raymond R. Sahathevan B. Hamidon E. Werth R. Poryazova R. Khatami C. Bassetti R. G. Beran L. Ainley G. Holand J. Duncan H. Kinney B. Davis B. Hood S. Frey C. Schmidt M. Hofstetter P. Peigneux C. Cajochen W.-P. Hu J.-D. Li C. Zhang L. Boehmer J. Siegel Q.-Y. Zhou Y. Sagawa H. Kondo T. Takemura H. Kanayama Y. Kaneko M. Sato T. Kanbayashi Y. Hishikawa T. Shimizu A. Viola L. James L. Schlangen D.-J. Dijk R. Andretic Y.-C. Kim K.-A. Han F. Jones R. Greenspan L. Sanford L. Yang X. Tang K. Dieter E. Uta H. Sven M. Richard N. Oyane S. Pallesen F. Holsten Y. Inoue M. Fujita N. Emura K. Kuroda N. Uchimura A. Johnston J. Astbury G. Kennedy K. Hoedlmoser M. Schabus T. Pecherstorfer S. Moser G. Gruber P. Anderer W. Klimesch N. Naidoo M. Ferber A. Pack D. Neu O. Mairesse G. Hoffmann A. Dris L. Lambrecht P. Linkowski P. Verbanck O. Le Bon N. Matsuura M. Yamao N. Adachi R. Aritomi Y. Komada H. Tanaka S. Shirak University College London London UK University College London London USA Warwick Medical School London UK Warwick Medical School Coventry USA Radboud University Nijmegen Nijmegen Netherlands Department of Neurology University of Chile Santiago Chile Neurology Service Hospital del Salvador Santiago Chile Family Health Center Juan Pablo II Santiago Chile Department of Biomedicine Section on Physiology Univeristy of Bergen Bergen Norway Department of Public Health and Primary Health Care Univeristy of Bergen Bergen Norway Department of Public Health and Primary Health Care University of Bergen Bergen Norway Norwegian Competence Center for Sleep Disorders Haukeland University Hospital Bergen Norway Department of Child and Adolescent Psychiatry Haukeland University Hospital Univeristy of Bergen Bergen Norway Department of Biomedicine University of Bergen Bergen Norway US Army Medical Research and Materiel Command Fort Detrick Frederick USA Walter Reed Army Institute of Research Silver Spring USA Department of Behavioral Biology Walter Reed Army Institute of Research Silver Spring USA Faculty Department of Pulmonology Pamukkale University Medical Denizli Turkey University of Ballarat Ballarat Australia Sanofi-Aventis Recherche et Developpement Paris France Brigham and Women’s Hospital Harvard Medical School Boston USA The University of Queensland Adelaide Australia School of Psychology University of Queensland Brisbane Australia The University of Queensland Brisbane Australia Victoria University Melbourne Australia Department of Psychology Victoria University Melbourne Australia School of Psychology Victoria University Melbourne Australia Philips-Universität Marburg Germany Philips-Universitaet-Marburg Marburg Germany Instituto de Investigaciones del Sueno Madrid Spain Universitätsklinik für Neurologie Innsbruck Austria Universitaetsklinik fuer Neurologie Innsbruck Austria IMEREM GmbH Nuernberg Germany Schwarz Pharma AG Monheim Germany

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Ligand-exchange of TOPO-capped CdSe quantum dots with quinuclidines

Ligand-exchange of TOPO-capped CdSe quantum dots with quinuc...

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7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2012

作者： Obliosca, Judy M. Tseng, Fan-Gang Huang, Ching-Mao Lo, Leu-Wei Wang, Pen-Cheng Department of Engineering and System Science National Tsing Hua University 101 Kuang-Fu Road Hsinchu 30013 Taiwan Taiwan International Graduate Program Institute of Physics Academia Sinica 128 Academia Road Nankang Taipei 11529 Taiwan Division of Medical Engineering Research National Health Research Institutes Zhunan 35053 Taiwan

ISBN: (纸本)9781467311243

A series of tertiary amine quinuclidine-capped cadmium selenide (Q-CdSe) quantum dots (QDs) of ∼4 nm in diameter was successfully synthesized via ligand exchange process in which the original hydrophobic trioctylphosphine oxide (TOPO) ligand bound to QDs was replaced with stronger quinuclidine derivatives, quinuclidine (Q1), 3-quinuclidinone (Q2) and 3-quinuclidinol (Q3). The ligand exchange of TOPO by Q probed using the combined fluorescence and absorption spectroscopy was achieved in just only a few minutes. Moreover, disappearance of prominent C-H aliphatic stretching (∼2900 cm-1) and phosphate signal (35 ppm) of TOPO-capped CdSe after replacement with Q as revealed in FT-IR and solid state 31P-NMR spectra was observed indicating efficient fast ligand exchange. © 2012 IEEE.

关键词： Cadmium compounds

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Resonant nonlinear refractive index measurement of optical fiber based on mode coupling using cascaded fiber tapers

Resonant nonlinear refractive index measurement of optical f...

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Optical Fiber Communication (OFC) Conference

作者： Seung Ho Lee Bok Hyeon Kim Dong Hoon Son Won-Taek Han Graduate Program of Photonics and Applied Physics Gwangju Institute of Science and Technology Gwangju South Korea Advanced Photonics Research Institution (APRI) GIST Gwangju South Korea

Measurement of resonant nonlinear refractive index (n 2 ) of optical fiber based on core/cladding mode coupling using cascaded fiber tapers was demonstrated.

ISBN: (纸本)9781557529381

Measurement of resonant nonlinear refractive index (n 2 ) of optical fiber based on core/cladding mode coupling using cascaded fiber tapers was demonstrated.

关键词： Optical fibers Optical fiber devices Refractive index Optical fiber communication Nonlinear optics Semiconductor device measurement

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S cerevisiae genome as a confined equilibrium polymer brush

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Epigenetics & Chromatin 2013年第1期6卷 1-1页

作者： Anton Goloborodko Maxim Imakaev Leonid Mirny Jon Matthew Belton Job Dekker Geoffrey Fudenberg Department of Physics Massachusetts Institute of Technology Cambridge 02143 MA USA Division of Health Science and Technology Harvard-MIT Cambridge MA 02139 USA Department of Biochemistry and Molecular Pharmacology University of Massachusetts Worcester 01605 MA USA Graduate Program in Biophysics Harvard University Cambridge 02115 MA USA

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Cross-plane Seebeck coefficient and thermal conductivity of CuFeSe2 thin film

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AIP Conference Proceedings 2012年第1期1449卷 405-408页

作者： P. C. Lee M. N. Ou J. Y. Luo M. K. Wu Y. Y. Chen Department of Engineering and System Science National TsingHua University Hsinchu Taiwan 30013 R.O.C. and Nano Science and Technology Program Taiwan International Graduate Program Institute of Taiwan Institute of Physics Academia Sinica 128 Academia Road Sec. 2. Nankang Taipei 115 Taiwan

The CuFeSe2 is a member of the I-III-VI2 semiconductors, whereas it shows different physical properties from the chalcopyrite family, include the tetragonal structure, the small band gap ∼0.16 eV and the weak magnetic behavior. Only a few articles focused on this material in recent years. The measurements of the Seebeck coefficient and thermal conductivity of the high quality CuFeSe2 thin film could provide valuable information for its thermal application. In this report, a CuFeSe2 thin film with thickness ∼200 nm on SiO2/Si substrate was prepared by pulse laser deposition (PLD). The highly crystallized film shows a preferred orientation (h 0 0) normal to the film surface. Two pairs of heater/sensor Au strips were thermally deposited on the thin film and substrate separately for thermal conductivity measurement using differential 3ω method. The Seebeck coefficient across the film plane was directly measured by two additional EMF probes below and above the film with temperature gradient generated by heater/sensor at frequency 2ω. The temperature dependence of thermal conductivity and Seebeck coefficient were measured in a wide temperature range from 150 to 300 K. The room-temperature thermal conductivity and Seebeck coefficient are obtained to be 3.5 W/m-K and −108 μV/K respectively.

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Development of efficient broadband green light source by tandem quasi-phase-matched structure

Development of efficient broadband green light source by tan...

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Conference on Lasers and Electro-Optics (CLEO)

作者： Nan Ei Yu Ju Won Choi Heejong Kang Do-Kyeong Ko C.-M. Ho S.-H. Fu C.-W. Hsu C.-Y. Chu C.-L. Chen W.-S. Wang L.-H. Peng A.-H. Kung Hee Joo Choi Byoung Joo Kim Myoungsik Cha Advanced Photonics Research Institute Gwangju Institute of Science and Technology Gwangju South Korea Graduate program of Photonics and Applied Physics Gwangju Institute of Science and Technology Gwangju South Korea Advanced Photonics Research Institute Graduate program of Photonics and Applied Physics Gwangju Institute of Science and Technology Gwangju South Korea Deparrtment of Electrical Engineering and Institute of Photonics and Optoelectronics National Taiwan University Taipei Taiwan Institute of Photonics Technologies National Tsinghua University Hsinchu Taiwan Department of Physics Pusan National University Busan South Korea

Broadband green light source using a 5.5-mm-long tandem PPLN was demonstrated. The measured wavelength and temperature bandwidth were 13nm and 100°C, respectively, which had 34.2 times broader spectral bandwidth ... 详细信息

ISBN: (纸本)9781557529435

关键词： Bandwidth Temperature measurement Measurement by laser beam Light sources Crystals Laser excitation Wavelength measurement

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Graphene Quantum Dots: Facile Synthetic Method for Pristine Graphene Quantum Dots and Graphene Oxide Quantum Dots: Origin of Blue and Green Luminescence (Adv. Mater. 27/2013)

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Advanced Materials 2013年第27期25卷

作者： Fei Liu Min‐Ho Jang Hyun Dong Ha Je‐Hyung Kim Yong‐Hoon Cho Tae Seok Seo Department of Chemical and Biomolecular Engineering (BK21 program) and Institute for the BioCentury Korea Advanced Institute of Science and Technology (KAIST) 291 Daehak‐ro Yuseong‐gu Daejeon 305‐701 Republic of Korea Department of Physics Graduate School of Nanoscience & Technology (WCU) and Graphene Research Center of KI for the NanoCentury Korea Advanced Institute of Science and Technology (KAIST) 291 Daehak‐ro Yuseong‐gu Daejeon 305‐701 Republic of Korea

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Ligand-exchange of TOPO-capped CdSe quantum dots with quinuclidines

Ligand-exchange of TOPO-capped CdSe quantum dots with quinuc...

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IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS)

作者： Judy M. Obliosca Fan-Gang Tseng Ching-Mao Huang Leu-Wei Lo Pen-Cheng Wang Department of Engineering and System Science National Tsing Hua University Hsinchu Taiwan Nano Science and Technology Taiwan International Graduate Program Institute of Physics Academia Sinica Taipei Taiwan Division of Medical Engineering Research National Health Research Institutes Zhunan Taiwan

A series of tertiary amine quinuclidine-capped cadmium selenide (Q-CdSe) quantum dots (QDs) of ~4 nm in diameter was successfully synthesized via ligand exchange process in which the original hydrophobic trioctylphosphine oxide (TOPO) ligand bound to QDs was replaced with stronger quinuclidine derivatives, quinuclidine (Q1), 3-quinuclidinone (Q2) and 3-quinuclidinol (Q3). The ligand exchange of TOPO by Q probed using the combined fluorescence and absorption spectroscopy was achieved in just only a few minutes. Moreover, disappearance of prominent C-H aliphatic stretching (~2900 cm -1 ) and phosphate signal (35 ppm) of TOPO-capped CdSe after replacement with Q as revealed in FT-IR and solid state 31 P-NMR spectra was observed indicating efficient fast ligand exchange.

关键词： Nuclear magnetic resonance Spectroscopy Heating Nanoelectromechanical systems Multiplexing Electronic mail Microscopy

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Rapid diagnosis of breast cancer cell with coherent anti-Stokes raman scattering microspectroscopy

Rapid diagnosis of breast cancer cell with coherent anti-Sto...

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Conference on Lasers and Electro-Optics

作者： Jang Hyuk Lee Ally Yoon Sang-Mo Shin Myoung-Kyu Oh Do-Kyeong Ko Graduate Program of Photonics and Applied Physics Gwangju Institute of Science and Technology Graduate program of Medical System Engineering Gwangju Institute of Science and Technology Advanced Photonics Research Institute Gwangju Institute of Science and Technology

A CARS microspectroscopy system was developed and applied to live breast cancer cells. CARS image and spectrum at C-H vibration stretching in lipid droplets differentiate cancer cell from normal cell.

ISBN: (纸本)9781467318396

关键词： Microscopy Spectroscopy Coherent anti-Stokes Raman scattering Medical and biological imaging

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