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1 Nikhil Kumar, C. S Magnonic Devices I12666 2023 eBook  
2 Nikhil Kumar, C. S Magnetic Resonators I12243 2022 Book  
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TitleMagnonic Devices : Numerical Modelling and Micromagnetic Simulation Approach
Author(s)Nikhil Kumar, C. S
PublicationCham, 1. Imprint: Springer 2. Springer Nature Switzerland, 2023.
DescriptionXII, 81 p. 64 illus., 63 illus. in color : online resource
Abstract NoteThis book briefly looks at numerical modeling and micromagnetic simulation results of magnonic crystals, which are periodically modulated magnonic devices regarded as the magnetic counterpart of photonic crystals with spin waves acting as the information carrier. Since the wavelength of the spin wave is several orders of magnitude shorter than that of electromagnetic waves of the same frequency, magnonic crystals are promising candidates for miniaturization, especially in the fields of data storage and processing. The book begins by describing the dispersion relation of dipolar spin waves in a magnonic curved waveguide, solving Walker's equation in cylindrical coordinates, and then calculating the dispersion of exchange spin waves using perturbation theory. It describes simulated nano-contact-driven spin wave excitations in a magnonic cavity, featuring a design of an antidot magnonic crystal around the nano-contact, with the frequency of the spin wave mode generated lying within the band gap of the magnonic crystal. The proposed device behaves as a SWASER???Spin Wave Amplification by the Stimulated Emission of Radiation. This book will find interest among researchers and practitioners interested in the modeling, simulation, and design of novel magnonic devices
ISBN,Price9783031226656
Keyword(s)1. Computational Materials Science 2. EBOOK - SPRINGER 3. ELECTRONIC DEVICES 4. MAGNETISM 5. MATERIALS SCIENCE 6. Nanoelectromechanical systems 7. Nanoscale Devices 8. SOLID STATE PHYSICS 9. SPINTRONICS
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TitleMagnetic Resonators : Feedback with Magnetic Field and Magnetic Cavity
Author(s)Nikhil Kumar, C. S
PublicationSingapore, 1. Imprint: Springer 2. Springer Nature Singapore, 2022.
DescriptionXV, 92 p. 88 illus., 86 illus. in color : online resource
Abstract NoteThe phase-locking of multiple spin-torque nano oscillators(STNOs) is considered the primary vehicle to achieve sufficient signal quality for applications. This book highlights the resonator's design and its need for feedback for phase locking of STNOs. STNOs can act as sources of tunable microwaves after being phase-locked together. External feedback from a coplanar waveguide placed above an STNO helps ensures coherent single domain oscillations. STNOs placed within magnonic crystal cavities also demonstrate coherent oscillations. Arrays of such cavities provide a route to scale power levels from such nano-oscillators. The book presents numerical and micromagnetics to validate the design.
ISBN,Price9789811961762
Keyword(s)1. Applied and Technical Physics 2. EBOOK 3. EBOOK - SPRINGER 4. MAGNETIC MATERIALS 5. MATHEMATICAL PHYSICS 6. Microresonators 7. Microresonators (Optoelectronics) 8. Microwaves, RF Engineering and Optical Communications 9. PHYSICS 10. TELECOMMUNICATION 11. Theoretical, Mathematical and Computational Physics
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Accession#  Call#StatusIssued ToReturn Due On Physical Location
I12243     On Shelf    

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