Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 11 of 11 for “"Scanning Probe Microscope"”.
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Quantitative capacitance measurements using a scanning probe microscope
… of a method by which an atomic force microscope with scanning capacitance microscopy (SCM) capability can be employed in a nontraditional fashion to quantitatively measure the capacitance of metal-oxide-semiconductor (MOS) structures. The capability to deduce sample capacitances is …
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Data processing in nanoscale profilometry
… measurement science into the nanoscale is the scanning probe microscope. A prototype of a nanoscale profilometer based on the scanning probe microscope has been built in the Laboratory for Manufacturing and Productivity at MIT. A sample is placed on a precision flip stage and different sides of …
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Effects of nanoscale film thickness on apparent stiffness of and cell-mediated strains in polymers
… in thickness are increasingly extracted from scanning probe microscope-enabled nanoindentation. These films are applied in various fields that require multiaxial loading conditions. The Hertzian contact models developed for linear elastic materials of semi-infinite thickness fail to accurately …
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Effect of silicon nano particles added to the polymeric coatings
… prepared by adding 10% nano silica particles. A scanning probe microscope was used to study the surface morphology of the coating samples, a Raman microscope was used to study the silicon concentration on and underneath the surface of the coating, and nano-indentation was used to compare the …
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Characterization of mirco/nano mechanical and tribological properties of polymeric coatings deposited on steel
… a nano-indenter and analyzing the results with a Scanning Probe Microscope (SPM). Results of indentation tests show that melamine, with a hardness of 0.164 GPa and a modulus of 3.367 GPa, was both the hardest and stiffest of the three coatings, while the 2K coating, with a hardness of .104 GPa and …
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Studying scratching/buffing mechanism of the clearcoats and improving the technique and devices/materials in automobile refinish work
… nano instruments, a Nano-Indenter XP and a Scanning Probe Microscope (SPM). This study has increased our knowledge of the scratching and buffing mechanism of coatings and the refinish process, thus shedding light on the direction for improvement of the technique and devices/materials in the …
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Dynamic Atomic Force Microscopy and applications in biomolecular imaging
The Atomic Force Microscope (AFM) is a key member of the Scanning Probe Microscope (SPM) family. Its versatility allows it to image and manipulate nanoscale features with high precision, making it one of the main instruments in nanotechnology for surface characterization. The aim of this thesis is …
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Application of field programmable analog arrays (FPAAs) to fast scanning probe microscopy
… fast and robust controllers for an Atomic Force Microscope (AFM) unit. Atomic Force Microscopes (AFMs) are getting faster. However, video-rate imaging still remains a big challenge to the AFM community. Therefore AFMs are required to have very fast nanopositioning systems. However, high-bandwidth …
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X-ray microscope performance enhancement through control architecture change
… noise attenuation. Conveniently, the field of scanning probe microscopes (SPMs) have already flourished on this aspect of controller algorithms proven to give desired closed-loop properties. Controller algorithms such as Proportional Integral Derivative (PID), Glover-McFarlane H-infinty …