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Magnetic Resonance Force Microscopy
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Book Synopsis Magnetic Resonance Force Microscopy And A Single-spin Measurement by : Gennady P Berman
Download or read book Magnetic Resonance Force Microscopy And A Single-spin Measurement written by Gennady P Berman and published by World Scientific. This book was released on 2006-09-20 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetic resonance force microscopy (MRFM) is a rapidly evolving field which originated in 1990s and matured recently with the first detection of a single electron spin below the surface of a non-transparent solid. Further development of MRFM techniques will have a great impact on many areas of science and technology including physics, chemistry, biology, and even medicine. Scientists, engineers, and students from various backgrounds will all be interested in this promising field.The objective of this “multi-level” book is to describe the basic principles, applications, and the advanced theory of MRFM. Focusing on the experimental oscillating cantilever-driven adiabatic reversals (OSCAR) detection technique for single electron spin, this book contains valuable research data for scientists working in the field of quantum physics or magnetic resonance. Readers unfamiliar with quantum mechanics and magnetic resonance will be able to obtain an understanding and appreciation of the basic principles of MRFM.
Book Synopsis Electronic Applications of Magnetic Resonance Force Microscopy by :
Download or read book Electronic Applications of Magnetic Resonance Force Microscopy written by and published by . This book was released on 1997 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the final report for Office of Naval Research Contract N0001495-C- 0124. Work under this recently completed contract has focused on improving the basic technology of magnetic resonance force microscopy (MRFM) and working towards the dual goals of dopant detection ill silicon and single electron spin detection. In addition, a number of important advances were achieved, including ultrasensitive force detection, magnetic resonance characterization of dangling bond defects in SiO2, and two and three-dimensional imaging of both paramagnetic and ferromagnetic resonance on the micronscale. Magnetic resonance force microscopy1, 2, 3 (MRPM) is a new scanning probe microscope technique that combines aspects of magnetic resonance imaging (MRI) and atomic force microscopy (APM). IBM's interest in MRFM is driven by the possibility of achieving non-invasive, three-dimensional imaging with atomic-resolution and elemental selectivity. If this goal can be realized, the technique would have a revolutionary impact on the field of microscopy and have many important applications. Potential applications include: 1) determining the sub-surface, three-dimensional structure of solid state materials, 2) imaging three-dimensional distributions of dopants in semiconductors with angstrom spatial resolution, 3) imaging defects and trapping sites in semiconductors, 4) imaging interactions between polymer molecules, 5) determining the three-dimensional atomic structure of macromolecules, such as proteins.
Book Synopsis The Magnetic Resonance Force Microscope by :
Download or read book The Magnetic Resonance Force Microscope written by and published by . This book was released on 1997 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: The magnetic resonance force microscope (MRFM) marries the techniques of magnetic resonance imaging (MRI) and atomic force microscopy (AFM), to produce a three-dimensional imaging instrument with high, potentially atomic-scale, resolution. The principle of the MRFM has been successfully demonstrated in numerous experiments. By virtue of its unique capabilities the MRFM shows promise to make important contributions in fields ranging from three-dimensional materials characterization to bio-molecular structure determination. Here the authors focus on its application to the characterization and study of layered magnetic materials; the ability to illuminate the properties of buried interfaces in such materials is a particularly important goal. While sensitivity and spatial resolution are currently still far from their theoretical limits, they are nonetheless comparable to or superior to that achievable in conventional MRI. Further improvement of the MRFM will involve operation at lower temperature, application of larger field gradients, introduction of advanced mechanical resonators and improved reduction of the spurious coupling when the magnet is on the resonator.
Book Synopsis Magnetic Resonance Force Microscopy by : Giorgio Moresi
Download or read book Magnetic Resonance Force Microscopy written by Giorgio Moresi and published by Sudwestdeutscher Verlag Fur Hochschulschriften AG. This book was released on 2012-04 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: Today, smaller and smaller electron and nuclear magnetic resonance structures are extensively studied both from an applied and from a fundamental point of view. The powerful tool of magnetic resonance imaging (MRI) has demonstrated that it is possible to visualize subsurface three dimensional structures with micrometer resolution containing 1012 nuclear spins; nuclear magnetic resonance (NMR) spectroscopy has the capacity to determine the three dimensional structure of biological macromolecules. Owing to the larger gyromagnetic ratio of electrons as compared to paramagnetic nuclei, electron spin resonance (ESR) has pushed detection sensitivity to 107 spins . Finally, a single electron spin has been detected by magnetic resonance force microscopy (MRFM), employing a device which combines two sensing technologies, namely magnetic resonance imaging (MRI) and atomic force microscopy (AFM). The ultimate goal of MRFM is to map the interior of a material sample, such as a complicated semiconductor structure or a bio-molecule, at atomic scale resolution.
Book Synopsis Design and Development of a Magnetic Resonance Force Microscope that Operates in Air by : Jayanth Gobbalipur Ranganath
Download or read book Design and Development of a Magnetic Resonance Force Microscope that Operates in Air written by Jayanth Gobbalipur Ranganath and published by . This book was released on 2004 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetic Resonance Force Microscopy (MRFM) is a new and rapidly developing technology that integrates the high-sensitivity of Atomic Force Microscopy with subsurface imaging capability of Magnetic Resonance Imaging. A micro-mechanical cantilever is used to detect force signals originating from magnetic resonance within a sample. While sub-micron resolution has been achieved in certain samples, and single electron-spin sensitivity has been demonstrated, all existing setups operate in vacuum and many at cryogenic temperatures. From the point-of-view of engineering, it would be an important step to improve the resolution so that the instrument can be operated in air and to explore useful samples that can be imaged thus. In this research, a Magnetic Resonance Force Microscope is designed and developed with the intention of being operated in air. Calculations are made to demonstrate its feasibility. It necessitates implementing a high-resolution, compact and easy-to-use motion sensor, and designing suitable electronics to improve the force-sensitivity of the detector. The achieved force sensitivity (~ 10-15 N / vHz) is comparable to the thermal-noise limited sensitivity at room temperature and pressure. The developed sensor also possesses potential applications outside MRFM. For MRFM, this sensor is integrated with the other key-elements of the microscope, including a micro-wave exciter and an electromagnet. The microwave exciter is used to excite a paramagnetic sample that would be imaged. The electromagnet applies a background field. This serves to increase the signal strength. A preliminary experiment is conducted and the problems encountered are discussed.
Book Synopsis Signal Processing for Magnetic Resonance Force Microscopy by : Michael Yu Jin Ting
Download or read book Signal Processing for Magnetic Resonance Force Microscopy written by Michael Yu Jin Ting and published by . This book was released on 2006 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Magnetic Resonance Force Microscopy and a Single-spin Measurement by : Gennady P. Berman
Download or read book Magnetic Resonance Force Microscopy and a Single-spin Measurement written by Gennady P. Berman and published by . This book was released on 2006 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Magnetic Resonance Force Microscopy with a Permanent Magnet on the Cantilever by :
Download or read book Magnetic Resonance Force Microscopy with a Permanent Magnet on the Cantilever written by and published by . This book was released on 1997 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: The magnetic resonance force microscope (MRFM) is a microscopic 3-D imaging instrument based on a recent proposal to detect magnetic resonance signals mechanically using a micro-mechanical resonator. MRFM has been successfully demonstrated in various magnetic resonance experiments including electron spin resonance, ferromagnetic resonances and nuclear magnetic resonance. In order to apply this ultra-high, 3-D spatial resolution technique to samples of arbitrary size and shape, the magnetic particle which generates the field gradient (nabla){bold B}, (and, therefore, the force {bold F = (m {center_dot} (nabla)B)} between itself and the spin magnetization {bold m} of the sample) will need to be mounted on the mechanical resonator. Up to the present, all experiments have been performed with the sample mounted on the resonator. This is done, in part, to avoid the spurious response of the mechanical resonator which is generated by the variation of the magnetization of the magnetic particle as the external field is varied.
Book Synopsis Expanding the Limits of Magnetic Resonance Force Microscopy by : Neil Edward Jenkins
Download or read book Expanding the Limits of Magnetic Resonance Force Microscopy written by Neil Edward Jenkins and published by . This book was released on 2007 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Magnetic Resonance Force Microscopy by : Kai Wolfgang Eberhardt
Download or read book Advances in Magnetic Resonance Force Microscopy written by Kai Wolfgang Eberhardt and published by . This book was released on 2008 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Magnetic Resonance Force Microscopy at MilliKelvin Temperatures by : Geert Henricus Cornelius Jozef Wijts
Download or read book Magnetic Resonance Force Microscopy at MilliKelvin Temperatures written by Geert Henricus Cornelius Jozef Wijts and published by . This book was released on 2013 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Essential Image Processing for Magnetic Resonance Force Microscopy by :
Download or read book Essential Image Processing for Magnetic Resonance Force Microscopy written by and published by . This book was released on 2003 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report covers work performed on two-dimensional and three-dimensional reconstruction of magnetic images derived from synthetic data sets of a model magnetic-resonance force microscope. Specifically, Pixon LLC has employed its proprietary Pixon-method image reconstruction algorithm in order to perform the reconstructions. We find that the algorithm yields excellent results, in particular as regards image accuracy, resolution, and suppression of noise. A specific and robust regimen for performing the reconstructions within the Pixon-method paradigm has been developed. The regimen is robust against varying signal-to-noise ratio and varying tip-to-sample separation in the MRFM instrument model. Moreover, a data-capture scanning strategy has been discovered that optimizes performance of the reconstruction (resolution and sensitivity) while simultaneously minimizing the data acquisition time. These results should make straightforward the application of the algorithm in a real-world instrument. The results also favor adaptation of Pixon- method image reconstruction techniques to three-dimensional imaging with conventional magnetic-force microscopes.
Book Synopsis Single-Spin Magnetic Resonance Force Microscopy by :
Download or read book Single-Spin Magnetic Resonance Force Microscopy written by and published by . This book was released on 2005 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt: IBM and its subcontractors achieved the major goal of this contract: the detection of individual electron spins by magnetic resonance force microscopy (MRFM). To achieve this result a number of key elements were developed, including a low temperature apparatus capable of detecting ultrasmall (attonewton) forces, specialized cantilever force sensors, methods for manipulating and detecting electron spins with random initial polarization, etc. In addition, both theoretical and experimental work has been performed to study MRFM detection of nuclear spins.
Book Synopsis Dynamics and Control of Magnetic Resonance Force Microscopy by : Kelly Bruland
Download or read book Dynamics and Control of Magnetic Resonance Force Microscopy written by Kelly Bruland and published by . This book was released on 1997 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ferromagnetic Resonance Imaging of Co Films Using Magnetic Resonance Force Microscopy by :
Download or read book Ferromagnetic Resonance Imaging of Co Films Using Magnetic Resonance Force Microscopy written by and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetic resonance force microscope (MRFM) technique has been applied to the study of spatial imaging in thin Co ferromagnetic film. A novel approach is proposesd to improve spatial resolution in MRFM, which is limited by the broad width of Co ferromagnetic resonance (FMR) line. The authors introduce a selective local field with a small yittrium iron garnet (YIG) grain. They have performed MRFM detected FMR on a sample consisting of two sections of Co films laterally separated by [approximately]20 [micro]m. The experimental results demonstrate the scanning imaging capabilities of MRFM. The results can be understood qualitatively by means of the calculated magnetic field and field gradient profiles generated by the YIG shere.
Book Synopsis Magnetic Resonance Force Microscopy for Condensed Matter by :
Download or read book Magnetic Resonance Force Microscopy for Condensed Matter written by and published by . This book was released on 2017 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reglamento para la Compañía de Guardias Jóvenes by :
Download or read book Reglamento para la Compañía de Guardias Jóvenes written by and published by . This book was released on 1864 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
