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Meeting 2016 TMS Annual Meeting & Exhibition
Symposium 2016 Technical Division Young Professional Poster Competition
Presentation Title YP-7: Novel Conductive Scanning Probe Microscopy (SPM) Probes with Reduced Capacitive Coupling
Author(s) Yigezu Mulugeta Birhane, Joan Bausells, Jordi Otero, Gabriel Gomila
On-Site Speaker (Planned) Yigezu Mulugeta Birhane
Abstract Scope We have fabricated novel insulated conductive scanning probe microscopy probes on silicon on insulator substrates as cantilevers with sharp tetrahedral tips at their free end. We employed various standard microfabrication techniques to batch fabricate the probes, which have significant comparative advantage in terms of cost to that of the already reported serial processing technologies towards the fabrication of insulated conductive SPM probes. The electrical behavior of the batch fabricated probes was tested by custom made capacitance measurement set up that measure the capacitive coupling between the probes and highly ordered pyrolytic graphite (HOPG) substrate. We observed excellent agreement between experiment and theoretical model (which accounts contributions from only the probe tip – sample interactions) in a long range tip – sample distances (beyond 350 nm), that makes our probes an ideal candidate for electrical characterization of small signal samples in liquid media such as biological samples in their physiological environment.
Proceedings Inclusion? Definite: None Selected


YP-10: Understanding of Deformation Twinning Characteristics in HCP Materials
YP-1: Removal of Iron from Cu Ore for the Production of Copper Sulfide
YP-2: The Effects of Quartz Amount on the Physical and Microstructural Properties of Tile Bodies
YP-3: Optimization of the Morphology of Volatile Organic Compound Sensors Based on Polymer-metal Nanocomposites
YP-4: A Study on Mechanical Properties of Particulate Reinforced 6063 Aluminium Alloy
YP-5: DIC In-Situ of Tensile Deformation and Synchrotron Diffraction for the Accurate Investigation of Austenite-to-Martensite Transformation in AHSSs
YP-6: Refinement of Primary and Eutectic Silicon in Hypereutectic Al-Si Alloys with Electromagnetic Stirring
YP-7: Novel Conductive Scanning Probe Microscopy (SPM) Probes with Reduced Capacitive Coupling
YP-8: Study of Reduction of Zinc Ferrite Contained in Electric Arc Furnace Dusts by CO - CO2 Gas Mixtures
YP-9: Effect of Neutron Irradiation on Friction Stir Processed ODS Alloys

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