Dissertations / Theses on the topic 'Electronic spectroscopy'
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Petrović, Vladimir 1978. "Toward pure electronic spectroscopy." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/46647.
Full textVita.
Includes bibliographical references.
In this thesis is summarized the progress toward completing our understanding of the Rydberg system of CaF and developing Pure Electronic Spectroscopy. The Rydberg system of CaF possesses a paradigmatic character due to its strongly polar ion-core. The first characterization of the Stark effect in a Rydberg system of this nature is presented here, and a diagnostic application of the Stark effect for making assignments of N+ and f quantum numbers has been demonstrated. In addition, a general method, which relies on polarization diagnostics and is applicable not only to studies of Rydberg states, for making unambiguous rotational assignments in the absence of rotational combination differences, has been described for the case of unresolved doublet states. New information, obtained using the Stark effect and polarization diagnostics, has furthered our knowledge of the partially core-penetrating character of nominally core-nonpenetrating states. In order to systematically obtain the same information that is contained in a Stark effect spectrum, but with less difficulty, we are developing experimental methods to record same-n* Rydberg-Rydberg transitions directly, using Time Domain THz and Chirped-Pulse Microwave Spectroscopies. In both of these methods, the spectrum is recorded in the time domain, which results in reliable relative transition intensities. We show that the relative transition intensities in a Rydberg-Rydberg spectrum provide information that permits separation of different interaction mechanisms between the Rydberg electron and the ion-core.
by Vladimir Petrović.
Ph.D.
Yang, Min-Chieh. "Electronic spectroscopy of transient molecules /." The Ohio State University, 1998. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487949508372826.
Full textBonifas, Andrew Paul. "Spectroscopy, Fabrication, and Electronic Characterization of Molecular Electronic Devices." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1305653420.
Full textAl, Sawi A. N. "Study of the electronic structure of InSb by electron spectroscopy." Thesis, University of Liverpool, 2017. http://livrepository.liverpool.ac.uk/3007631/.
Full textYe, Jianjun. "Electronic spectroscopy of transition metal monohalides." Click to view the E-thesis via HKUTO, 2007. http://sunzi.lib.hku.hk/hkuto/record/B38990167.
Full text陳文端 and Man-tuen Chan. "Electronic spectroscopy of OH and ZrN." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1997. http://hub.hku.hk/bib/B31235578.
Full textQian, Yue, and 钱玥. "Electronic spectroscopy of transition metal dimer." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hub.hku.hk/bib/B50899971.
Full textpublished_or_final_version
Chemistry
Master
Master of Philosophy
Wattanavichean, N. "Raman spectroscopy of molecular electronic junctions." Thesis, University of Liverpool, 2017. http://livrepository.liverpool.ac.uk/3006908/.
Full textChan, Man-tuen. "Electronic spectroscopy of OH and ZrN /." Hong Kong : University of Hong Kong, 1997. http://sunzi.lib.hku.hk/hkuto/record.jsp?B18736361.
Full textGopalakrishnan, Sandhya. "Electronic spectroscopy of the alkoxy radicals." Columbus, OH : Ohio State University, 2003. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1051024461.
Full textTitle from first page of PDF file. Document formatted into pages; contains xxiv, 173 p.: ill. (some co.). Includes abstract and vita. Advisor: Terry A. Miller, Dept. of Chemistry. Includes bibliographical references (p. 171-173).
Ji, Tao. "Inelastic electron tunneling spectroscopy in molecular electronic devices from first-principles." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=96883.
Full textDans cette thèse, nous présentons des calculs ab initio de la spectroscopie à effet tunnel par électron inélastique (IETS)appliqués à des jonctions moléculaires. Dans le cadre d'une configuration électrode-molécule-électrode,la théorie de la fonctionnelle de la densité (DFT) est utilisée pour construire l'hamiltonien et les fonctions de Green hors-équilibres(NEGF) sont employées pour déterminer la densité électroniquedans des conditions hors-équilibre. Le cadrede la DFT-NEGF nous permet de calculer des quantités telles que la fonctionnelle d'énergie totale,les forces atomiques ainsi que la matrice de Hessian. L'approximationauto-consistante de Born (SCBA) est employée afin d'intégrer les vibrations moléculaires (phonons) dans le formalisme DFT-NEGF,une fois que le spectre des phonons et les vecteurs propres ont été calculés à partir de la matrice dynamique. Des méthodes d'optimisations géométriques sont aussi discutées en tant que part indispensable du formalisme,étant donné que la condition d'équilibre mécanique est essentielle afin de calculer correctement les propriétés des phonons du système.Afin de surmonter les difficultés numériques, particulièrement concernant la grande demandecomputationnelle requise pour le calcul du couplage électron-phonon, nous développons une approximation numérique pour la self-énergie associée aux phonons. De plus, en employant quelques hypothèses raisonables, nous dérivons une expression pour l'IETS calculée à partir de laseconde dérivée de la courbe I-V dans le butde réduire l'erreur associée à la différentiation numérique. L'utilisation de ces deux approximations diminuent grandement les exigences computationnelles et rendent les calculs possibles avec les capacités numériques actuelles.Comme application du formalisme DFT-NEGF-SCBA, nous calculons l'IETS de la jonction moléculaire or-octanedithiol(ODT)-or. La courbe I-V, la conductance et l'IETS obtenues par calculs ab initio sontdirectement comparées aux données expérimentales. Une compréhension microscopique du couplage électron-phonon pour une jonction moléculaire à effet tunnel est élaborée dans cet exemple. De plus, des comparaisons entre les jonctions ODT à hydrogène dissociatif et à hydrogène non-dissociatif ainsi queles différents comportements de transfert de charges sont présentés afin de montrer les effets de la formation du thiol dans la jonction moléculaire ODT.
Kemp, Jeremy. "Electron spectroscopy and electronic structure of first row transition metal oxides." Thesis, University of Oxford, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.257736.
Full textDunkelberger, Adam David. "Time-resolved electronic spectroscopy of 2,2'-bisindene." Connect to resource, 2007. http://hdl.handle.net/1811/28440.
Full textTitle from first page of PDF file. Document formatted into pages: contains 35 p.; also includes graphics. Includes bibliographical references (p.35). Available online via Ohio State University's Knowledge Bank.
Brocke, Thomas. "Electronic Raman spectroscopy on semiconductor quantum dots." Göttingen Cuvillier, 2007.
Find full textDickinson, John Andrew. "Electronic spectroscopy and conformations of aromatic systems." Thesis, University of Oxford, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.363668.
Full textPang, Hon-fung, and 彭漢鋒. "Electronic spectroscopy of iridium containing diatomic molecules." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B47164220.
Full textpublished_or_final_version
Chemistry
Doctoral
Doctor of Philosophy
Elliott, Nicola Louise. "High resolution electronic spectroscopy of transient species." Thesis, University of Bristol, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.443268.
Full textElks, John Marcus Francis. "High resolution electronic spectroscopy of transient species." Thesis, University of Bristol, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.390790.
Full textZhang, Xu Ph D. Massachusetts Institute of Technology. "Two-dimensional crystals : spectroscopy and electronic applications." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/112036.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (pages 159-177).
The success in creating atomically thin and mechanically robust two-dimensional (2D) crystals, starting with graphene, has unveiled new possibilities for next generation of ultrafast and ubiquitous electronics. One critical distinction between 2D crystals and 3D crystals is that 2D crystals are all-surface materials. Therefore, it is essential to understand how 2D materials interact with their environments and how this interaction impacts their electronic properties. From a practical perspective, it also provides us with a unique tool to tailor the electronic properties of 2D materials through surface functionalization. In the first half of this thesis, a suite of X-ray techniques is used to investigate how the surface functionalizing dopants will impact the electronic and chemical states of graphene. Based on this study, we develop an effective and non-invasive doping method for graphene through plasma-based chlorination. In order to make system-level 2D electronics successful, a flexible and ubiquitous energy harvesting solution is indispensable. Therefore, the second part of this thesis is dedicated to the development of a MoS₂ 2H-1T phase heterojunction-based GHz flexible rectifier as an enabling component for wireless energy harvester. It is the first flexible rectifier operating up to the X-band and it covers most of the unlicensed industrial, scientific and medical (ISM) radio band, including the Wi-Fi channels. By integrating this rectifier with an antenna, the MoS₂-enabled rectenna successfully demonstrates direct energy harvesting of electromagnetic (EM) radiation in the Wi-Fi band and lights up a commercial light-emitting diode (LED) with zero external bias (battery-free). Moreover, our MoS₂ rectifier also realizes successful frequency conversion as a mixer beyond 10 GHz on flexible substrates. This work provides a universal energy harvesting building block that can be integrated with various wearable electronic systems and paves the way towards using the existing Wi-Fi infrastructure as an energy hotspot for wireless charging.
by Xu Zhang.
Ph. D.
Chan, Mau Hing. "Photothermal deflection spectroscopy of novel electronic materials." HKBU Institutional Repository, 1996. http://repository.hkbu.edu.hk/etd_ra/66.
Full textCulberson, Lori. "Molecular Electronic Structure via Photoelectron Imaging Spectroscopy." Diss., The University of Arizona, 2013. http://hdl.handle.net/10150/301677.
Full textVolpato, Andrea. "Innovative Strategies in Coherent Multidimensional Electronic Spectroscopy." Doctoral thesis, Università degli studi di Padova, 2017. http://hdl.handle.net/11577/3425369.
Full textLa recente osservazione di coerenze quantistiche elettroniche con lunga durata in sistemi fotosintetici ha stimolato l’interesse sul possibile ruolo dei fenomeni quantistici nel migliorare alcune funzioni di rilevanza biologica e nell'aumentare le prestazioni di dispositivi artificiali. Tale interesse è stato supportato da numerose evidenze sperimentali fornite dalla spettroscopia bidimensionale elettronica (2DES) ma la ricerca in questo ambito è ancora lontana dal raggiungere conclusioni definitive. La tecnica 2DES è nata da poco più di un decennio ed è ancora molto attiva la ricerca per lo sviluppo di un apparato strumentale ottimale e di efficienti metodi di elaborazione dati. Nell'ambito del progetto di dottorato, è stato costruito un setup sperimentale ad alte prestazioni accoppiato con avanzate procedure di calibrazione e di acquisizione dati, affrontando le sfide principali delle attuali implementazioni strumentali. Attingendo dal campo ingegneristico dell’elaborazione dei segnali, le tecniche di decomposizione tempo-frequenza sono state applicate allo studio di segnali oscillanti 2DES. Inoltre, un metodo di analisi globale basato sul variable projection algorithm è stato sviluppato, allo scopo di avere uno strumento robusto e quantitativo per lo studio dei responsi coerenti. La definizione della dinamica delle componenti oscillanti si è dimostrata un valido strumento per l’interpretazione del dato sperimentale. I metodi sviluppati sono stati utilizzati per l'analisi dei dati sperimentali ottenuti con un sistema modello costituito da un oligomero con catene laterali porfiriniche. Sono state analizzate coerenze vibrazionali con caratteristiche differenti evidenziando l’influenza del disordine nel modulare la risposta coerente.
Wright, Helen Elizabeth. "Studies of the electronic structure of metals and alloys by electron spectroscopy." Thesis, University of Liverpool, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329397.
Full textNewell, Mark Alistair. "Physical and electronic structure of simple metal systems studied by electron spectroscopy." Thesis, University of Liverpool, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333499.
Full textRafferty, Brian Edward. "Probing electronic structure near the bandgap region using electron energy loss spectroscopy." Thesis, University of Cambridge, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.627334.
Full textRoth, Friedrich. "Electronic structure of selected aromatic hydrocarbon systems investigated with electron energy-loss spectroscopy." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-106800.
Full textMenon, Nanda. "A study of electronic structure anisotropy by spatially resolved electron energy loss spectroscopy." Thesis, University of Cambridge, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.624123.
Full textZhang, Guowei. "Electronic structure of quasicrystals studied by photoemission spectroscopy." Thesis, University of Ottawa (Canada), 1996. http://hdl.handle.net/10393/9559.
Full textPooley, Simon Jonathan. "Electronic spectroscopy of some metal-containing free-radicals." Thesis, University of Leicester, 1998. http://hdl.handle.net/2381/30023.
Full textBieske, Evan John, and n/a. "The Electronic Spectroscopy of Neutral and Ionic Clusters." Griffith University. School of Science, 1989. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20051109.112502.
Full textLakin, Nicholas Mark. "Electronic and microwave spectroscopy of indium(I) hydroxide." Thesis, University of Oxford, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.259963.
Full textAshworth, Stephen Hugh. "The high resolution electronic spectroscopy of nickel dichloride." Thesis, University of Oxford, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.302831.
Full textWong, Lai Ally, and 王麗. "Electronic spectroscopy of cobalt monohalides and nitric oxide." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B29468127.
Full textTuttle, William Duncan. "Electronic and photoelectron spectroscopy of substituted benzene molecules." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/54244/.
Full textRobles, Eric San Jose. "Electronic spectroscopy of jet-cooled organometallic free radicals /." The Ohio State University, 1992. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487776801323524.
Full textToyota, Kazuo. "Electronic theory for spectroscopy and molecular force field." 京都大学 (Kyoto University), 2002. http://hdl.handle.net/2433/149820.
Full textBieske, Evan John. "The Electronic Spectroscopy of Neutral and Ionic Clusters." Thesis, Griffith University, 1989. http://hdl.handle.net/10072/367202.
Full textThesis (PhD Doctorate)
Doctor of Philosophy (PhD)
School of Science
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Valduga, De Almeida Camargo Franco. "Unravelling vibrational and electronic coherences via two-dimensional electronic spectroscopy of zinc-porphyrins." Thesis, University of East Anglia, 2017. https://ueaeprints.uea.ac.uk/63645/.
Full textDogbe, John Kofi. "Comparing cluster and slab model geometries from density functional theory calculations of si(100)-2x1 surfaces using low-energy electron diffraction." abstract and full text PDF (free order & download UNR users only), 2007. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3258835.
Full textPullen, Aletha Marie. "Spectroscopic characterization of carbon based molecular electronic junctions." Connect to this title online, 2004. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1099671322.
Full textTitle from first page of PDF file. Document formatted into pages; contains xvii, 208 p.; also includes graphics (some col.). Includes bibliographical references (p. 189-208).
Öberg, Henrik. "Electronic structure and spectroscopy calculations in fuel cell catalysis." Licentiate thesis, Stockholms universitet, Fysikum, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-58807.
Full textFougère, Scott Gregory. "The electronic structure and spectroscopy of rhodium diatomic molecules." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0018/NQ52760.pdf.
Full textHaberer-Gehrmann, Danny. "Electronic Properties of Functionalized Graphene Studied With Photoemission Spectroscopy." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-97417.
Full textHodges, Philip J. "Transition metal halides, studied by high-resolution electronic spectroscopy." Thesis, University of Oxford, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.433477.
Full textMoxey, S. R. "Electronic spectroscopy of unstable species in free jet expansions." Thesis, University of Oxford, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233491.
Full textMusgrave, Adam. "Electronic spectroscopy of Van der Waals clusters and complexes." Thesis, University of Nottingham, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.445684.
Full textBin, Hussein Mohd Zobir. "Electronic spectroscopy naphthols, 1,2,4,5-tetraflurorobenzene, fluorostyrenes and oxalyl fluoride." Thesis, University of Reading, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329597.
Full textFowles, Paul Stephen. "The electronic structure of metals studied by Auger spectroscopy." Thesis, University of Liverpool, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.279693.
Full textPearson, Jonathan. "Electronic spectroscopy of the transient species HNO and SnF." Thesis, University of Bristol, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.319048.
Full textChang, Bor-Chen. "Electronic spectroscopy of argon-hydroxyl and neon-hydroxyl complexes /." The Ohio State University, 1993. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487844948074256.
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