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Browsing School of Physics by Title
Now showing items 1-20 of 135
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(Springer, 2014-12)In this paper, we probed surface-enhanced Raman scattering (SERS) and surface-enhanced fluorescence (SEF) from probe molecule Rhodamine 6G (R6G) on self-standing Au nanorod array substrates made using a combination of ...
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(Taylor and Francis, 2016-02)Piezoresponse force microscopy (PFM) probes the mechanical deformation of a sample in response to an electric field applied with the tip of an atomic force microscope. Originally developed more than two decades ago to study ...
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(American Institute of Physics, 2005-02)This article describes an experimental setup for combined measurements of domain switching dynamics and switching currents in micrometer scale ferroelectric capacitors. The setup is based on a commercial atomic force ...
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(American Institute of Physics, 2015)A multifrequency open loop Kelvin probe force microscopy (KPFM) approach utilizingphotothermal as opposed to electrical excitation is developed. Photothermal band excitation (PthBE)-KPFM is implemented here in a grid mode ...
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(RSC Publishing, 2007-11)Fluorescence microscopy is an important and extensively utilised tool for imaging biological systems. However, the image resolution that can be obtained has a limit as defined through the laws of diffraction. Demand for ...
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(ACS, 2016-07-07)Photodeposition of silver nanoparticles onto chemically patterned lithium niobate having alternating lithium niobate and proton exchanged regions has been previously investigated. Here, the spatially defined photodeposition ...
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(IOP Publishing, 2014-10-09)The correlation between local mechanical (elasto-plastic) and structural (composition) properties of coal presents significant fundamental and practical interest for coal processing and for the development of rheological ...
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Bubble polarization domain patterns in periodically ordered epitaxial ferroelectric nanodot arrays (AIP, 2011-09)In this work, bubble polarization domains in periodically ordered ferroelectric Pb(Zr(0.4)Ti(0.6))O(3) nanodot arrays and their formation mechanisms have been investigated by piezoresponse force microscopy (PFM) and ...
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(Elsevier, 2011-07)In today’s society there is a vast and in many cases not fully appreciated dependence on electrical power for everyday life. Furthermore, with growing energy and environmental concerns arising due to fossil fuel depletion ...
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(Society of Photo-Optical Instrumentation Engineers, 2009-08-03)With growing energy and environmental concerns due to fossil fuel depletion and global warming there is an increasing attention being attracted by alternative and/or renewable sources of power such as biomass, hydropower, ...
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(AIP Publishing, 2017-01)In vitro devices that combine chemotactic and physical cues are needed for understanding how cells integrate different stimuli. We explored the suitability of lithium niobate (LiNbO3), a transparent ferroelectric material ...
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(American Institute of Physics, 2011)The collision of two laser generated plasma plumes can result, under appropriate conditions, in the formation of ‘stagnation layer’. The processes underlying this phenomenon are complex and time dependent. The majority of ...
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(AIP Publishing, 2015-12)We present a coarse-grained model for evaluation of interactions of globular proteins with nanoparticles (NPs). The protein molecules are represented by one bead per aminoacid and the nanoparticle by a homogeneous sphere ...
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(IOP Publishing, 2011)Charge state specific extreme ultraviolet spectra from both tin ions and xenon ions have been recorded at Tokyo Metropolitan University. The Electron Cyclotron Resonance Source spectra were produced from charge exchange ...
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(American Physical Society, 2007-06)The effect of disorder on polarization switching in ferroelectric materials is studied using piezoresponse force microscopy in a liquid environment. The spatial extent of the electric field created by a biased tip is ...
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(Elsevier, 2014-03)Laue lenses constitute a promising option for concentrating soft gamma rays with a large collection area and reasonable focal lengths. In astronomy they could lead to increased telescope sensitivity by one to two orders ...
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(IOP Publishing, 2015-06)Scintillators synthesised as glass-ceramics have several potential benefits compared to the currently-used halide scintillators, including non-hygroscopicity, mechanical ruggedness, ease of producing customisable shapes, ...
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(American Physical Society, 2012-01)As research and development of extreme ultraviolet lithography (EUVL) sources at 6.7 nm (which will be based on emission from ionized gadolinium) has already begun, reliable atomic data are required in order to determine ...
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(American Physical Society, 2010-02)Spatial variability of polarization relaxation kinetics in the relaxor ferroelectric 0.9Pb(Mg1/3Nb2/3)O-3-0.1PbTiO(3) is studied using time-resolved piezoresponse force microscopy at room temperature. Both the statistical ...
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(American Institute of Physics, 2008-01-07)The electric forces acting on an atomic force microscope tip in solution have been measured using a microelectrochemical cell formed by two periodically biased electrodes. The forces were measured as a function of lift ...
Now showing items 1-20 of 135