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Magnet Max loves experimenting with magnets. He knows all about how they work and loves using them to attract new types of things. But when he shows them to his friend Nick, the other boy is baffled. Will magnets stick to a paperclip? A refrigerator? A horse? How do they work, anyway? It must be magic! Join Max and Nick as they explore the science behind the magic. Discover which objects are attracted and why some are while others aren't. In Magnet Max, Monica Hughes uses her experience as an educator to explain scientific concepts in clear, easy-to-follow language. Catchy rhymes and the colorful illustrations of Holly Weinstein add to the fun. Watch your children's curiosity come to life as they explore the wonders of magnetism with Magnet Max!
Book Synopsis Magnet Max by : Monica Lozano Hughes
Download or read book Magnet Max written by Monica Lozano Hughes and published by Learning League. This book was released on 2019-06-12 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnet Max loves experimenting with magnets. He knows all about how they work and loves using them to attract new types of things. But when he shows them to his friend Nick, the other boy is baffled. Will magnets stick to a paperclip? A refrigerator? A horse? How do they work, anyway? It must be magic! Join Max and Nick as they explore the science behind the magic. Discover which objects are attracted and why some are while others aren't. In Magnet Max, Monica Hughes uses her experience as an educator to explain scientific concepts in clear, easy-to-follow language. Catchy rhymes and the colorful illustrations of Holly Weinstein add to the fun. Watch your children's curiosity come to life as they explore the wonders of magnetism with Magnet Max!
Max and his magnet are hiding in a tree, what is Magnetic Max up to?
Book Synopsis Magnetic Max by : Ann-Marie Parker
Download or read book Magnetic Max written by Ann-Marie Parker and published by . This book was released on 2006 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Max and his magnet are hiding in a tree, what is Magnetic Max up to?
MAX phases are a group of nanolaminated ternary carbides and nitrides, with a composition expressed by the general formula Mn+1AXn (?? = 1 ? 3), where M is a transition metal, A is an A-group element, and X is carbon and/or nitrogen. MAX phases have attracted interest due to their unique combination of metallic and ceramic properties, related to their inherently laminated structure of a transition metal carbide (Mn+1Xn) layer interleaved by an A-group metal layer. This Thesis explores synthesis and characterization of magnetic MAX phases, where the A-group element is gallium (Ga). Due to the low melting point of Ga (T = 30 °C), conventional thin film synthesis methods become challenging, as the material is in liquid form at typical process temperatures. Development of existing methods has therefore been investigated, for reliable/reproducible synthesis routes, including sputtering from a liquid target, and resulting high quality material. Routes for minimizing trial-and-error procedures during optimization of thin film synthesis have also been studied, allowing faster identification of optimal deposition conditions and a simplified transfer of essential deposition parameters between different deposition systems. A large part of this Thesis is devoted towards synthesis of MAX phase thin films in the Cr-Mn-Ga-C system. First, through process development, thin films of Cr2GaC were deposited by magnetron sputtering. The films were epitaxial, however with small amount of impurity phase Cr3Ga, as confirmed by X-ray diffraction (XRD) measurements. The film structure was confirmed by scanning transmission electron microscopy (STEM) and the composition by energy dispersive X-ray spectroscopy (EDX) inside the TEM. Inspired by predictive ab initio calculations, the new MAX phase Mn2GaC was successfully synthesized in thin film form by magnetron sputtering. Structural parameters and magnetic properties were analysed. The material was found to have two magnetic transitions in the temperature range 3 K to 750 K, with a first order transition at around 214 K, going from non-collinear antiferromagnetic state at lower temperature to an antiferromagnetic state at higher temperature. The Neél temperature was determined to be 507 K, changing from an antiferromagnetic to a paramagnetic state. Above 800 K, Mn2GaC decomposes. Furthermore, magnetostrictive, magnetoresistive and magnetocaloric properties of the material were iv determined, among which a drastic change in lattice parameters upon the first magnetic transition was observed. This may be of interest for magnetocaloric applications. Synthesis of both Cr2GaC and Mn2GaC in thin film form opens the possibility to tune the magnetic properties through a solid solution on the transition metal site, by alloying the aforementioned Cr2GaC with Mn, realizing (Cr1-xMnx)2GaC. From a compound target with a Cr:Mn ratio of 1:1, thin films of (Cr0.5Mn0.5)2GaC were synthesized, confirmed by TEM-EDX. Optimized structure was obtained by deposition on MgO substrates at a deposition temperature of 600 ºC. The thin films were phase pure and of high structural quality, allowing magnetic measurements. Using vibrating sample magnetometry (VSM), it was found that (Cr0.5Mn0.5)2GaC has a ferromagnetic component in the temperature range from 30 K to 300 K, with the measured magnetic moment at high field decreasing by increasing temperature. The remanent moment and coercive field is small, 0.036 ?B, and 12 mT at 30 K, respectively. Using ferromagnetic resonance spectroscopy, it was also found that the material has pure spin magnetism, as indicated by the determined spectroscopic splitting factor g = 2.00 and a negligible magnetocrystalline anisotropy energy. Fuelled by the recent discoveries of in-plane chemically ordered quaternary MAX phases, so called i-MAX phases, and guided by ab initio calculations, new members within this family, based on Cr and Mn, were synthesized by pressureless sintering methods, realizing (Cr2/3Sc1/3)2GaC and (Mn2/3Sc1/3)2GaC. Their structural properties were determined. Through these phases, the Mn content is the highest obtained in a bulk MAX phase to date. This work has further developed synthesis processes for sputtering from liquid material, for an optimized route to achieve thin films of controlled composition and a high structural quality. Furthermore, through this work, Mn has been added as a new element in the family of MAX phase elements. It has also been shown, that alloying with different content of Mn gives rise to varying magnetic properties in MAX phases. As a result of this Thesis, it is expected that the MAX phase family can be further expanded, with more members of new compositions and new properties.
Book Synopsis Synthesis and characterization of magnetic nanolaminated carbides by : Andrejs Petruhins
Download or read book Synthesis and characterization of magnetic nanolaminated carbides written by Andrejs Petruhins and published by Linköping University Electronic Press. This book was released on 2018-03-15 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: MAX phases are a group of nanolaminated ternary carbides and nitrides, with a composition expressed by the general formula Mn+1AXn (?? = 1 ? 3), where M is a transition metal, A is an A-group element, and X is carbon and/or nitrogen. MAX phases have attracted interest due to their unique combination of metallic and ceramic properties, related to their inherently laminated structure of a transition metal carbide (Mn+1Xn) layer interleaved by an A-group metal layer. This Thesis explores synthesis and characterization of magnetic MAX phases, where the A-group element is gallium (Ga). Due to the low melting point of Ga (T = 30 °C), conventional thin film synthesis methods become challenging, as the material is in liquid form at typical process temperatures. Development of existing methods has therefore been investigated, for reliable/reproducible synthesis routes, including sputtering from a liquid target, and resulting high quality material. Routes for minimizing trial-and-error procedures during optimization of thin film synthesis have also been studied, allowing faster identification of optimal deposition conditions and a simplified transfer of essential deposition parameters between different deposition systems. A large part of this Thesis is devoted towards synthesis of MAX phase thin films in the Cr-Mn-Ga-C system. First, through process development, thin films of Cr2GaC were deposited by magnetron sputtering. The films were epitaxial, however with small amount of impurity phase Cr3Ga, as confirmed by X-ray diffraction (XRD) measurements. The film structure was confirmed by scanning transmission electron microscopy (STEM) and the composition by energy dispersive X-ray spectroscopy (EDX) inside the TEM. Inspired by predictive ab initio calculations, the new MAX phase Mn2GaC was successfully synthesized in thin film form by magnetron sputtering. Structural parameters and magnetic properties were analysed. The material was found to have two magnetic transitions in the temperature range 3 K to 750 K, with a first order transition at around 214 K, going from non-collinear antiferromagnetic state at lower temperature to an antiferromagnetic state at higher temperature. The Neél temperature was determined to be 507 K, changing from an antiferromagnetic to a paramagnetic state. Above 800 K, Mn2GaC decomposes. Furthermore, magnetostrictive, magnetoresistive and magnetocaloric properties of the material were iv determined, among which a drastic change in lattice parameters upon the first magnetic transition was observed. This may be of interest for magnetocaloric applications. Synthesis of both Cr2GaC and Mn2GaC in thin film form opens the possibility to tune the magnetic properties through a solid solution on the transition metal site, by alloying the aforementioned Cr2GaC with Mn, realizing (Cr1-xMnx)2GaC. From a compound target with a Cr:Mn ratio of 1:1, thin films of (Cr0.5Mn0.5)2GaC were synthesized, confirmed by TEM-EDX. Optimized structure was obtained by deposition on MgO substrates at a deposition temperature of 600 ºC. The thin films were phase pure and of high structural quality, allowing magnetic measurements. Using vibrating sample magnetometry (VSM), it was found that (Cr0.5Mn0.5)2GaC has a ferromagnetic component in the temperature range from 30 K to 300 K, with the measured magnetic moment at high field decreasing by increasing temperature. The remanent moment and coercive field is small, 0.036 ?B, and 12 mT at 30 K, respectively. Using ferromagnetic resonance spectroscopy, it was also found that the material has pure spin magnetism, as indicated by the determined spectroscopic splitting factor g = 2.00 and a negligible magnetocrystalline anisotropy energy. Fuelled by the recent discoveries of in-plane chemically ordered quaternary MAX phases, so called i-MAX phases, and guided by ab initio calculations, new members within this family, based on Cr and Mn, were synthesized by pressureless sintering methods, realizing (Cr2/3Sc1/3)2GaC and (Mn2/3Sc1/3)2GaC. Their structural properties were determined. Through these phases, the Mn content is the highest obtained in a bulk MAX phase to date. This work has further developed synthesis processes for sputtering from liquid material, for an optimized route to achieve thin films of controlled composition and a high structural quality. Furthermore, through this work, Mn has been added as a new element in the family of MAX phase elements. It has also been shown, that alloying with different content of Mn gives rise to varying magnetic properties in MAX phases. As a result of this Thesis, it is expected that the MAX phase family can be further expanded, with more members of new compositions and new properties.
Explore the fascinating field of magnetism with this interactive picture book for young learners. Magnetism is all around us--even the earth is a giant magnet. A world without magnets would be a world without cell phones, computers, and more! Trusted children's nonfiction author David A. Adler covers the basics of magnetism, including compasses, for aspiring scientists. Hands-on experiments are smartly woven into the narrative. Want to test out the strength of a magnet? All you need is a bowl of water and some paper clips! Anna Raff's lively art illustrates scientific concepts clearly, with the added fun of two siblings and their dog exploring and learning together. Back matter includes a glossary that defines such terms as attraction, pole, electromagnetism, force, and more. Suggested activities on how to make your own magnet are also included. Finalist for the AAAS/Subaru SB&F Prize for Excellence in Science Books
Book Synopsis Magnets Push, Magnets Pull by : David A. Adler
Download or read book Magnets Push, Magnets Pull written by David A. Adler and published by Holiday House. This book was released on 2017-01-30 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explore the fascinating field of magnetism with this interactive picture book for young learners. Magnetism is all around us--even the earth is a giant magnet. A world without magnets would be a world without cell phones, computers, and more! Trusted children's nonfiction author David A. Adler covers the basics of magnetism, including compasses, for aspiring scientists. Hands-on experiments are smartly woven into the narrative. Want to test out the strength of a magnet? All you need is a bowl of water and some paper clips! Anna Raff's lively art illustrates scientific concepts clearly, with the added fun of two siblings and their dog exploring and learning together. Back matter includes a glossary that defines such terms as attraction, pole, electromagnetism, force, and more. Suggested activities on how to make your own magnet are also included. Finalist for the AAAS/Subaru SB&F Prize for Excellence in Science Books
Magnetic Resonance Procedures: Health Effects and Safety is the first authoritative text on MR procedures and its associated health and safety concerns written by noted radiologists, physicists, and scientists with expertise in the field. It contains both theoretical and practical information. This timely text discusses emergent issues rela
Book Synopsis Magnetic Resonance Procedures by : Frank G. Shellock
Download or read book Magnetic Resonance Procedures written by Frank G. Shellock and published by CRC Press. This book was released on 2000-12-21 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetic Resonance Procedures: Health Effects and Safety is the first authoritative text on MR procedures and its associated health and safety concerns written by noted radiologists, physicists, and scientists with expertise in the field. It contains both theoretical and practical information. This timely text discusses emergent issues rela
Ferrite Nanostructured Magnetic Materials: Technologies and Applications provides detailed descriptions of the physical properties of ferrite nanoparticles and thin films. Synthesis methods and their applications in numerous fields are also included. And, since characterization methods play an important role in investigating the materials’ phenomena, various characterization tools applied to ferrite materials are also discussed. To meet the requirements of next-generation characterization tools in the field of ferrite research, synchrotron radiation-based spectroscopic and imaging tools are thoroughly explored.Finally, the book discusses current and emerging applications of ferrite nanostructured materials in industry, health, catalytic and environmental fields, making this comprehensive resource suitable for researchers and practitioners in the disciplines of materials science and engineering, chemistry and physics. Reviews the fundamentals of ferrite materials, including their magnetic, electrical, dielectric and optical properties Includes discussions on the most relevant and emerging synthesis and optimization of ferrite nanostructured materials for a diverse range of morphologies Provides an overview of both the most relevant and emerging applications of ferrite magnetic materials in industry, health, energy and environmental remediation
Book Synopsis Ferrite Nanostructured Magnetic Materials by : Jitendra Pal Singh
Download or read book Ferrite Nanostructured Magnetic Materials written by Jitendra Pal Singh and published by Woodhead Publishing. This book was released on 2023-04-28 with total page 928 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ferrite Nanostructured Magnetic Materials: Technologies and Applications provides detailed descriptions of the physical properties of ferrite nanoparticles and thin films. Synthesis methods and their applications in numerous fields are also included. And, since characterization methods play an important role in investigating the materials’ phenomena, various characterization tools applied to ferrite materials are also discussed. To meet the requirements of next-generation characterization tools in the field of ferrite research, synchrotron radiation-based spectroscopic and imaging tools are thoroughly explored.Finally, the book discusses current and emerging applications of ferrite nanostructured materials in industry, health, catalytic and environmental fields, making this comprehensive resource suitable for researchers and practitioners in the disciplines of materials science and engineering, chemistry and physics. Reviews the fundamentals of ferrite materials, including their magnetic, electrical, dielectric and optical properties Includes discussions on the most relevant and emerging synthesis and optimization of ferrite nanostructured materials for a diverse range of morphologies Provides an overview of both the most relevant and emerging applications of ferrite magnetic materials in industry, health, energy and environmental remediation
Advances in Magnetic Materials: Processing, Properties, and Performance discusses recent developments of magnetic materials, including fabrication, characterization and applications in the aerospace, biomedical, and semiconductors industries. With contributions by international professionals who possess broad and varied expertise, this volume encompasses both bulk materials and thin films and coatings for magnetic applications. A timely reference book that describes such things as ferromagnetism, nanomaterials, and Fe, ZnO, and Co-based materials, Advances in Magnetic Materials is an ideal text for students, researchers, and professionals working in materials science. Describes recent developments of magnetic materials, including fabrication, characterization, and applications Addresses a variety of industrial applications, such as aerospace, biomedical, and semiconductors Discusses bulk materials and thin films and coatings Covers ferromagnetism, nanomaterials, Fe, ZnO, and Co-based materials Contains the contributions of international professionals with broad and varied expertise Covers a holistic range of magnetic materials in various aspects of process, properties, and performance
Book Synopsis Advances in Magnetic Materials by : Sam Zhang
Download or read book Advances in Magnetic Materials written by Sam Zhang and published by CRC Press. This book was released on 2017-02-24 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Magnetic Materials: Processing, Properties, and Performance discusses recent developments of magnetic materials, including fabrication, characterization and applications in the aerospace, biomedical, and semiconductors industries. With contributions by international professionals who possess broad and varied expertise, this volume encompasses both bulk materials and thin films and coatings for magnetic applications. A timely reference book that describes such things as ferromagnetism, nanomaterials, and Fe, ZnO, and Co-based materials, Advances in Magnetic Materials is an ideal text for students, researchers, and professionals working in materials science. Describes recent developments of magnetic materials, including fabrication, characterization, and applications Addresses a variety of industrial applications, such as aerospace, biomedical, and semiconductors Discusses bulk materials and thin films and coatings Covers ferromagnetism, nanomaterials, Fe, ZnO, and Co-based materials Contains the contributions of international professionals with broad and varied expertise Covers a holistic range of magnetic materials in various aspects of process, properties, and performance
The book aims to provide comprehensive and practical guidance on magnetism and magnetic materials. It involves four parts, focusing on fundamental magnetism, hard magnetic materials, soft magnetic materials and other functional magnetic materials. Part I highlights the ubiquity of magnetism and the close relationships between magnetic materials and our daily life. Perspectives on magnetism from Engineering and Physics are provided to introduce the two unit systems, followed by the origin and categories of magnetisms. An introduction of important parameters during magnetization and magnetic measurement techniques are then provided to lay a solid foundation for the readers for better understandings of the design and development of different magnetic materials. Important magnetic materials are then introduced in the subsequent parts, delivering an overview of design principles, production technologies, research developments and real-world applications. For instance, rare-earth-free and rare-earth-based hard magnetic materials as well as soft magnetic materials such as Fe-based alloys, composites and ferrites are discussed. Other functional magnetic materials span a wide range, involving smart materials with magneto-X effects, together with magnetic materials for applications including electromagnetic wave absorption, biomedicine and catalysis, etc. For these magnetic materials, more emphasis is placed on the latest advances and interdisciplinary perspectives.
Book Synopsis Frontiers in Magnetic Materials by : Chen Wu
Download or read book Frontiers in Magnetic Materials written by Chen Wu and published by CRC Press. This book was released on 2022-08-12 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book aims to provide comprehensive and practical guidance on magnetism and magnetic materials. It involves four parts, focusing on fundamental magnetism, hard magnetic materials, soft magnetic materials and other functional magnetic materials. Part I highlights the ubiquity of magnetism and the close relationships between magnetic materials and our daily life. Perspectives on magnetism from Engineering and Physics are provided to introduce the two unit systems, followed by the origin and categories of magnetisms. An introduction of important parameters during magnetization and magnetic measurement techniques are then provided to lay a solid foundation for the readers for better understandings of the design and development of different magnetic materials. Important magnetic materials are then introduced in the subsequent parts, delivering an overview of design principles, production technologies, research developments and real-world applications. For instance, rare-earth-free and rare-earth-based hard magnetic materials as well as soft magnetic materials such as Fe-based alloys, composites and ferrites are discussed. Other functional magnetic materials span a wide range, involving smart materials with magneto-X effects, together with magnetic materials for applications including electromagnetic wave absorption, biomedicine and catalysis, etc. For these magnetic materials, more emphasis is placed on the latest advances and interdisciplinary perspectives.
A detailed presentation of the physics of the various hysteresis models that are currently used to explain the magnetization reversal process, including coherent and incoherent magnetization processes, micromagnetism and its application in thin films, multilayers, nanowires, particles and bulk magnets, domain wall pinning and domain wall dynamics, and Preisach modelling. Some of the faulty concepts and interpretations that still exist in the literature are rectified. Magnetic imaging techniques are reviewed, including TEM, SEM, magnetic force microscopy, and optical microscopy. Temperature, field and angular dependence of coercivity, magnetic interactions and magnetic phenomena are reviewed and their effect on magnetic hysteresis is discussed. The magnetic properties of novel materials are discussed, including nanoparticles, nanocrystalline granular solids, particulate media, thin films, and bulk magnets. Finally, present and future applications of novel materials are presented, including magnetic and magneto-optic recording media, magneto-electronics, sensors, magnetic circuit design, and novel structures created from rigid, high-energy permanent magnets.
Book Synopsis Magnetic Hysteresis in Novel Magnetic Materials by : G.C. Hadjipanayis
Download or read book Magnetic Hysteresis in Novel Magnetic Materials written by G.C. Hadjipanayis and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 866 pages. Available in PDF, EPUB and Kindle. Book excerpt: A detailed presentation of the physics of the various hysteresis models that are currently used to explain the magnetization reversal process, including coherent and incoherent magnetization processes, micromagnetism and its application in thin films, multilayers, nanowires, particles and bulk magnets, domain wall pinning and domain wall dynamics, and Preisach modelling. Some of the faulty concepts and interpretations that still exist in the literature are rectified. Magnetic imaging techniques are reviewed, including TEM, SEM, magnetic force microscopy, and optical microscopy. Temperature, field and angular dependence of coercivity, magnetic interactions and magnetic phenomena are reviewed and their effect on magnetic hysteresis is discussed. The magnetic properties of novel materials are discussed, including nanoparticles, nanocrystalline granular solids, particulate media, thin films, and bulk magnets. Finally, present and future applications of novel materials are presented, including magnetic and magneto-optic recording media, magneto-electronics, sensors, magnetic circuit design, and novel structures created from rigid, high-energy permanent magnets.
Introduces readers to Maria's day of experimenting with magnets. Discusses the concept of magnetism for young readers. Additional features to aid comprehension include vivid photographs, Common Core questions and activities, a phonetic glossary, and sources for further research.
Book Synopsis Maria's Magic Magnet by : Kerry Dinmont
Download or read book Maria's Magic Magnet written by Kerry Dinmont and published by . This book was released on 2017-08 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduces readers to Maria's day of experimenting with magnets. Discusses the concept of magnetism for young readers. Additional features to aid comprehension include vivid photographs, Common Core questions and activities, a phonetic glossary, and sources for further research.
