Direct Writing of CoFe Alloy Nanostructures by Focused Electron Beam Induced Deposition from a Heteronuclear Precursor PDF Download
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Languages : en
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Languages : en
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Author: Oddur Ingólfsson
Publisher: CRC Press
ISBN: 0429608284
Category : Science
Languages : en
Pages : 434
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Low-energy electrons are ubiquitous in nature and play an important role in natural phenomena as well as many potential and current industrial processes. Authored by 16 active researchers, this book describes the fundamental characteristics of low-energy electron–molecule interactions and their role in different fields of science and technology, including plasma processing, nanotechnology, and health care, as well as astro- and atmospheric physics and chemistry. The book is packed with illustrative examples, from both fundamental and application sides, features about 130 figures, and lists over 800 references. It may serve as an advanced graduate-level study course material where selected chapters can be used either individually or in combination as a basis to highlight and study specific aspects of low-energy electron–molecule interactions. It is also directed at researchers in the fields of plasma physics, nanotechnology, and radiation damage to biologically relevant material (such as in cancer therapy), especially those with an interest in high-energy-radiation-induced processes, from both an experimental and a theoretical point of view.
Author: Denys Makarov
Publisher: Springer Nature
ISBN: 3031090861
Category : Science
Languages : en
Pages : 420
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This is the first book providing overview of magnetism in curved geometries, highlighting numerous peculiarities emerging from geometrically curved magnetic objects such as curved wires, shells, as well as complex three-dimensional structures. Extending planar two-dimensional structures into the three-dimensional space has become a general trend in multiple disciplines across electronics, photonics, plasmonics and magnetics. This approach provides the means to modify conventional and even launch novel functionalities by tailoring the local curvature of an object. The book covers the theory of curvilinear micromagnetism as well as experimental studies of geometrically curved magnets including both fabrication and characterization. With its coverage of fundamental aspects, together with exploration of numerous applications across magnonics, bio-engineering, soft robotics and shapeable magnetoelectronics, this edited collection is ideal for all scientists in academia and industry seeking an overview and wishing to keep abreast of advances in the novel field of curvilinear micromagnetism. It provides easy but comprehensive access to the field for newcomers, and can be used for graduate-level courses on this subject.
Author: Giorgia Di Prima
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Category :
Languages : en
Pages : 0
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Author: Jakub Mateusz Jurczyk
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Category :
Languages : en
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Author: David Sun Kong
Publisher:
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Category :
Languages : en
Pages : 166
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Two modes of energetic beam-mediated fabrication have been investigated, namely focused ion beam (FIB) direct-writing of nanoparticles, and a technique for electrostatically patterning ionized inorganic nanoparticles, termed nanoxerography. A FIB has been used to directly pattern thin films of organometallic Ag-precursors down to a resolution of 100 nm. The sensitivity of the resist to 30 keV Ga+ ions was measured to be approximately 5 C/cm2. Using this technique arbitrary structures were fabricated in two and three dimensions with resistivity on the order of 1x10 4 Q-cm and 1x1 0-5 Q-cm for single- and multi-layer structures, respectively. A new unit of merit for characterizing direct-write processes, termed resistivity-dose (Q-jC/cm), has been introduced. A Nanocluster Source capable of generating a beam of charged, inorganic nanoparticles has been characterized. The relationship between power supplied to the magnetron of the source and the size of deposited clusters has been plotted. Techniques for utilizing such clusters to develop latent electrified images patterned by an electron beam (EB) have been proposed. The charge-storing characteristics of a variety of substrates such as mylar and polyimide were studied by developing EB-patterned charge images with toner particles.
Author: Aurélien Philipe Jean Maclou Botman
Publisher:
ISBN: 9789053352403
Category :
Languages : en
Pages :
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Author: Carlos Manuel Gonzalez
Publisher:
ISBN:
Category : Ion bombardment
Languages : en
Pages : 235
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A focused electron beam deposition process (FEBID) coupled with in-situ infrared pulsed laser assist (LA-EBID) has been implemented for higher purity tungsten nanowires using W(CO)6 [tungsten hexacarbonyl] as parent precursor gas. Nanowires made of Co from Co2(CO)8 [dicobalt octacarbonyl] and Pt from MeCpPtIVMe3 [trimethyl methylcyclopentadienyl platinum] have also been realized by using inert focused ion beams of helium and helium and neon, respectively. In all cases, higher electrical conductivities, higher purities and larger grain sizes have been obtained when compared with preceding traditional additive edit techniques. These new approaches will make possible successful nanoscale direct-write processes on complex structures of high technological relevance such as the Mo/Si EUV reflector mirror. Etching of a nickel top absorber layer has been attained by using a neon focused ion beam (Ne-FIB), but not with a He-FIB. Subsurface or collateral damage due to defect generation and interactions still remains a side effect that needs to be minimized and corrected. Experiments made in a helium ion microscope (HIM) indicate that endpoint detection is possible for monitoring when a top film (Ni, Au, Cu, and SiO2 [silicon dioxide]) in a multilayer structure has been milled through to an internal boundary by using a neon focused ion beam. In the case of helium ion irradiation, the electronic signature corresponding to the onset of nanobubbling (or swelling) has been captured, hence improving the detectability of this adverse effect. Models using an empirical 2-D Lambertian distribution have been deployed to predict how the secondary electron (SE) emissions vary as a function of the etch geometry and composition for one-, two- and three-component systems.
Author: Thomas Lukasczyk
Publisher:
ISBN:
Category :
Languages : en
Pages : 267
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Author: Fabio Cicoira
Publisher:
ISBN:
Category :
Languages : en
Pages : 164
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