Browsing NTNU Open by Author "Wells, Justin"
Now showing items 21-33 of 33
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Novel Approaches for Exploring Electron Interactions in Reduced Dimensions
Røst, Håkon Ivarssønn (Doctoral theses at NTNU;2022:271, Doctoral thesis, 2022)Summary: Arguably, some of the most intriguing phenomena in contemporary condensed matter research can be observed in systems of “reduced” dimensions. In cases where electrons are not allowed to propagate freely ... -
Novel Studies of the Spectroscopic Signature of the Skin Cancer-causing Cyclobutane Cross-link in DNA
Thiem, Lukas (Master thesis, 2018)1,2,3,4-Cyclobutanetetracarboxylic acid was chosen as a drastically simplified model of the cyclobutane pyrimidine dimer in DNA. Its interaction with cisplatin was studied by XPS i.a. at the synchrotron light source ASTRID2 ... -
On-surface manipulation of atom substitution between cobalt phthalocyanine and the Cu(111) substrate
Shen, Kongchao; Narsu, Bai; Ji, Gengwu; Sun, Haoliang; Hu, Jinbang; Liang, Zhaofeng; Gao, Xingyu; Li, Haiyang; Li, Zheshen; Song, Bo; Jiang, Zheng; Huang, Han; Wells, Justin; Song, Fei (Journal article; Peer reviewed, 2017)On-surface fabrication of controllable nanostructures is an appealing topic in the field of molecular electronics. Herein, the adsorption of cobalt phthalocyanine (CoPc) on a Cu(111) surface is investigated utilizing a ... -
Phonon-mediated superconductivity in doped monolayer materials
Thingstad, Even; Kamra, Akashdeep; Wells, Justin; Sudbø, Asle (Peer reviewed; Journal article, 2020)Insight into why superconductivity in pristine and doped monolayer graphene seems strongly suppressed has been central for the recent years' various creative approaches to realize superconductivity in graphene and graphene-like ... -
Photochemistry of a Nucleobase Relevant to the Formation of Malignant Melanoma - Using Spectroscopic Techniques to Study the UV-Induced Damage of Thymine on MoS2
Vinje, Jakob (Master thesis, 2016)Paring of nucleobases in deoxyribonucleic acid and the subsequent transcription of genes is arguably two of the most important processes for life. When subject to ultra violet (UV) light, one of the nucleobases, thymine, ... -
Photoemission spectroscopies and their application in solid state and material physics
Mazzola, Federico (Doctoral thesis at NTNU;2016:97, Doctoral thesis, 2016)Understanding the electronic properties of solid state systems is of fundamental importance to all matter. In particular, understanding and tailoring the properties of bound electrons in materials is an indispensable step ... -
Robust Magnetic Surface Doping of Transition Metal Dichalcogenides
Børkja, Mathieu Le Boulvais (Master thesis, 2016)The growth and potential intercalation of Fe on naturally grown MoS$_{2}$ has been studied using a number of surface techniques. An initial sample characterization revealed that samples extracted from the natural MoS$_{2}$ ... -
Spin-valley locking in the normal state of a transition-metal dichalcogenide superconductor
Bawden, L; Cooil, Simon Phillip; Mazzola, Federico; Riley, JM; Collins-Mcintyre, LJ; Sunko, V; Hunvik, Kristoffer William; Leandersson, M.; Polley, CM; Balasubramanian, T.; Kim, TK; Hoesch, M; Wells, Justin; Balakrishnan, G; Bahramy, MS; King, PDC (Peer reviewed; Journal article, 2016)Metallic transition-metal dichalcogenides (TMDCs) are benchmark systems for studying and controlling intertwined electronic orders in solids, with superconductivity developing from a charge-density wave state. The interplay ... -
Study of FeSi Interlayers Formed During Iron-Mediated Epitaxial Growth of Graphene on SiC Substrates
Strand, Frode Sneve (Master thesis, 2016)A proposed graphene integrated semiconductor radiation sensor takes advantage of the electric field effect in graphene by measuring the change in resistance as a function of radiation exposure to the semiconductor substrate. ... -
Studying the chemistry of complex transition metal systems - A spectroscopic investigation of the interplay between Dy and MoS2
Schikora, Stian Ruud (Master thesis, 2017)In this thesis, the interactions between MoS2 and dysprosium have been investigated by spectroscopic and diffractive techniques. As the experimental research on dysprosium compounds is scarce, the possible applications of ... -
Surface interactions relevant to cancer treatment - A study of fluorouracil reactions on diamond and graphite surfaces
Kjærvik, Marit (Master thesis, 2015)Fluorouracil (5-FU) is a chemotherapy drug with molecular formula C4H3FN2O2. The interaction between fluorouracil and nanocrystalline diamond, and between fluorouracil and graphite was studied with X-ray photoelectron ... -
Transfer-Free and Patterned Growth of Epitaxial Graphene on Insulator - For Applications in Novel Graphene-Based Radiation Detectors
Røst, Håkon Ivarssønn (Master thesis, 2018)A proposed radiation detector design utilizes graphene's strong conductivity response to small changes in electric field for sensing ionization products. The transport properties of graphene has shown great potential for ... -
Tunable high aspect ratio polymer nanostructures for cell interfaces
Beckwith, Kai Sandvold; Cooil, Simon Phillip; Wells, Justin; Sikorski, Pawel (Journal article; Peer reviewed, 2015)Nanoscale topographies and chemical patterns can be used as synthetic cell interfaces with a range of applications including study and control of cellular processes. Herein, we describe the fabrication of high aspect ratio ...