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  • 1
    Online Resource
    Online Resource
    Bristol :Institute of Physics Publishing,
    Keywords: Electronic books.
    Description / Table of Contents: A comprehensive edited volume on important and up-to-date nanolithography techniques and applications. Ideally suited for Master/PhD students who need a basic understanding of nanolithography techniques and their applications. The book also contains state-of-the-art information for researchers needing to expand their knowledge of nanofabrication.
    Type of Medium: Online Resource
    Pages: 1 online resource (450 pages)
    Edition: 1st ed.
    ISBN: 9780750326087
    Series Statement: IOP Ebooks Series
    Language: English
    Note: Intro -- Preface -- Acknowledgements -- Editor biography -- José Maria De Teresa -- List of contributors -- Chapter 1 Introduction to nanolithography techniques and their applications -- 1.1 Key concepts in nanolithography -- 1.1.1 Top-down versus self-assembly and self-organization processes -- 1.1.2 Resolution, cost, throughput and complexity -- 1.2 Nanolithography techniques using resists -- 1.2.1 Optical lithography (OL) -- 1.2.2 Electron beam lithography (EBL) -- 1.2.3 Nanoimprint lithography (NIL) -- 1.3 Direct nanolithography techniques -- 1.3.1 Focused ion beam (FIB) -- 1.3.2 Focused electron/ion beam induced deposition (FEBID and FIBID) -- 1.3.3 Scanning probe lithography (SPL) -- 1.4 Other nanolithography techniques and hybrid approaches -- 1.4.1 Stencil lithography -- 1.4.2 Nanosphere/colloidal lithography -- 1.4.3 Hybrid approaches -- 1.5 Comparison of nanolithography techniques -- 1.6 Applications of nanolithography techniques -- 1.6.1 Classical applications -- 1.6.2 Interdisciplinary applications -- 1.6.3 Emergent and future applications -- 1.7 End-of-chapter summary -- 1.8 Students' corner -- Acknowledgements -- References -- Chapter 2 Optical lithography -- 2.1 Concept of optical lithography -- 2.2 Optical lithography using optical masks -- 2.2.1 Optical lithography exposure modes and their resolution -- 2.2.2 Photo-resists -- 2.2.3 Extreme ultraviolet (EUV) optical lithography -- 2.3 Maskless optical lithography -- 2.3.1 Direct laser lithography -- 2.3.2 Two-photon lithography -- 2.4 Directed self-assembly (DSA) -- 2.4.1 Principles of DSA of block copolymers -- 2.4.2 Strategies for alignment of block copolymers -- 2.4.3 Applications -- 2.5 End-of-chapter summary -- 2.6 Student's corner -- References -- Chapter 3 Electron beam lithography and its use on 2D materials -- 3.1 Introduction -- 3.2 Fundamentals of EBL. , 3.2.1 Chamber and electron column -- 3.2.2 Basic and lift-off EBL processes -- 3.2.3 Resolution -- 3.2.4 Scan modes, writing field, DAC, stitching, beam stability -- 3.2.5 Resists -- 3.2.6 Cross-linking problem -- 3.3 Steps for a successful EBL process -- 3.3.1 Spin coating -- 3.3.2 EBL on a bare wafer (WA& -- #62 -- WF) -- 3.3.3 EBL in a wafer with alignment markers (WA< -- WF) -- 3.3.4 Two different resists: polymethylmethacrylate (PMMA) versus higher resolution hydrogen silsesquioxane (HSQ) -- 3.4 ICP-RIE and E-beam evaporation -- 3.4.1 ICP-RIE -- 3.4.2 E-beam metal evaporation -- 3.5 EBL applied to 2D materials -- 3.5.1 Hall bars in graphene heterostructures -- 3.5.2 Quantum point contacts defined by cryo-etching -- 3.5.3 Dual-gated graphene FETs -- 3.5.4 Hall bars in other 2D materials -- 3.6 General applications and new developments in EBL technique -- 3.7 End-of-chapter summary -- 3.8 Student's corner -- Acknowledgements -- References -- Chapter 4 Focused electron beam induced deposition -- 4.1 Introduction -- 4.2 Principles of FEBID -- 4.2.1 Electron-matter interaction -- 4.2.2 Monte Carlo method towards FEBID simulations -- 4.2.3 Single precursor species model -- 4.2.4 General features of FEBID precursors, growth parameters and applications -- 4.3 FEBID precursors and deposited materials -- 4.3.1 Precursors and properties of as-grown materials -- 4.3.2 Improving properties -- 4.4 Applications -- 4.5 Additional FEBID strategies and novel developments -- 4.6 End-of-chapter summary -- 4.7 Student's corner -- Acknowledgements -- References -- Chapter 5 Focused ion beam induced processing -- 5.1 Introduction -- 5.2 The instrument -- 5.2.1 Historical development -- 5.2.2 Ion sources -- 5.2.3 Ion column -- 5.2.4 Gas injection system -- 5.2.5 Process chamber and electron/ion detectors -- 5.2.6 Additional modules -- 5.3 Basics of FIB processing. , 5.3.1 Ion-solid interactions -- 5.3.2 Operating the beam -- 5.4 Milling and materials modification -- 5.4.1 Milling -- 5.4.2 FIB irradiation for materials modification -- 5.5 Focused ion beam induced deposition -- 5.5.1 Fundamentals -- 5.5.2 Applications of FIBID -- 5.6 Other applications of focused ion beams -- 5.6.1 FIB-based imaging -- 5.6.2 FIB-based tomography -- 5.6.3 Secondary-ion mass spectrometry -- 5.6.4 Current developments and future challenges -- 5.7 End-of-chapter summary -- 5.8 Students' corner -- Acknowledgements -- List of acronyms -- References -- Chapter 6 Scanning probe lithography -- 6.1 Introduction: from atomic-scale modifications to scanning probe lithography -- 6.2 Oxidation SPL -- 6.2.1 Key aspects of o-SPL -- 6.2.2 Nanolithography -- 6.2.3 Beyond oxidation processes -- 6.3 Thermal SPL -- 6.3.1 Key aspects of t-SPL -- 6.3.2 Nanolithography -- 6.4 Deposition SPL -- 6.4.1 Key aspects of deposition SPL -- 6.4.2 Nanolithography -- 6.5 Other SPL methods -- 6.6 End-of-chapter summary -- 6.7 Student's corner -- Acknowledgments -- References -- Chapter 7 Soft thermal nanoimprint and hybrid processes to produce complex structures -- 7.1 Fundamentals of nanoimprint processes -- 7.1.1 Introduction -- 7.1.2 Basic nanoimprint processes and variants -- 7.2 Soft thermal nanoimprint lithography (soft T-NIL) -- 7.2.1 Thermoplastic polymers for soft T-NIL -- 7.2.2 Molds for soft T-NIL -- 7.3 Complex structures by soft thermal nanoimprint and hybrid processes -- 7.3.1 Introduction -- 7.3.2 High-aspect ratio imprinting -- 7.3.3 Multilevel hierarchical complex nanoimprinting -- 7.4 End-of-chapter summary -- 7.5 Student's corner -- References -- Chapter 8 Stencil lithography -- 8.1 Introduction -- 8.1.1 Brief history of stencil in micropatterning -- 8.1.2 Why is stencil lithography interesting? -- 8.1.3 Why is stencil lithography challenging?. , 8.2 Fabrication of stencil membranes -- 8.2.1 Membrane material -- 8.2.2 Fabrication steps -- 8.2.3 Membrane reinforcement -- 8.3 Challenges of stencil lithography -- 8.3.1 Blurring -- 8.3.2 Shadowing -- 8.3.3 Clogging -- 8.3.4 Cracking and bending -- 8.4 Design considerations -- 8.4.1 Process as collimated as possible -- 8.4.2 Thin but robust membranes -- 8.4.3 Durable material (both mechanically and chemically) -- 8.4.4 Surface treatment -- 8.4.5 Reducing gap -- 8.5 Alignment -- 8.6 Dynamic stencil -- 8.7 Applications -- 8.8 End of chapter summary -- 8.9 Student's corner -- Acknowledgements -- References -- Chapter 9 Ice lithography -- 9.1 Introduction and historical perspective -- 9.2 Fundamentals -- 9.2.1 Energetic electrons -- 9.2.2 Ices, condensed gases in vacuum -- 9.2.3 Electron-ice interactions -- 9.2.4 Summary -- 9.3 Lithography using electrons and ices -- 9.3.1 Ice lithography process -- 9.3.2 Ice lithography resist -- 9.3.3 Ice lithography instrument -- 9.4 Applications -- 9.4.1 Nanofabrication on 3D structures -- 9.4.2 Nanofabrication on fragile structures -- 9.4.3 Rapid prototyping -- 9.4.4 High-resolution patterning -- 9.5 Future research, opportunities and challenges -- 9.5.1 Fundamental science research -- 9.5.2 Icetronics research -- 9.5.3 Applications -- 9.6 End-of-chapter summary -- 9.7 Student's corner -- References -- Chapter 10 Magnetic nanopatterning via thermal scanning probe lithography -- 10.1 Introduction -- 10.2 Thermally-assisted magnetic scanning probe lithography -- 10.2.1 Concept -- 10.2.2 Patterning magnetic domains, domain walls and solitons -- 10.2.3 Writing spin textures in synthetic antiferromagnets -- 10.2.4 Features and capabilities of tam-SPL -- 10.3 Nanopatterned spin textures for magnonics -- 10.3.1 Controlling the spin-wave excitation and propagation with magnetic domains. , 10.3.2 Nanoscale spin-wave circuits based on spin textures -- 10.3.3 Optically inspired nanomagnonics in synthetic antiferromagnets -- 10.4 End-of-chapter summary -- 10.5 Student's corner -- Acknowledgements -- References -- Chapter 11 Nanofabrication of three-dimensional magnetic structures -- 11.1 Introduction -- 11.1.1 3D magnetic nanostructures for the future -- 11.2 Overview of nanofabrication techniques for magnetism -- 11.3 Direct-write techniques for 3D nanofabrication of magnetic materials -- 11.4 Focused electron beam induced deposition -- 11.4.1 FEBID for magnetism -- 11.4.2 FEBID fundamentals -- 11.4.3 FEBID resolution -- 11.4.4 FEBID theory, modelling and practical recommendations -- 11.4.5 FEBID: 3D nanopatterning algorithms -- 11.4.6 FEBID and thin film deposition: hybrid approach for 3D nanopatterning -- 11.5 Two-photon lithography -- 11.5.1 Two-photon lithography for 3D nanomagnetism -- 11.5.2 Examples of scaffold lithography using two-photon lithography -- 11.6 Electrodeposition of 3D materials -- 11.6.1 Electrodeposition for 3D nanomagnetism -- 11.6.2 Electrodeposition of nanowires -- 11.6.3 Nanostructured multilayered nanowires -- 11.6.4 Electrodeposition of complex structures -- 11.7 End-of-chapter summary -- 11.8 Student's corner -- References -- Chapter 12 FEBIP for functional nanolithography of 2D nanomaterials -- 12.1 Introduction -- 12.2 Atomic manipulation of 2D nanomaterials -- 12.2.1 Defect engineering of 2D nanomaterials -- 12.2.2 Directing matter: atomic forging with in situ imaging and material manipulations -- 12.3 Directed surface and interface modification of graphene-based nanomaterials using focused electron beam and precursor molecules -- 12.3.1 Graphene oxide -- 12.3.2 Other members of graphene-based nanomaterials -- 12.4 Focused electron beam induced etching (FEBIE) of 2D nanomaterials. , 12.5 Applications of the FEBIP techniques to 2D nanomaterial-based electronic devices.
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  • 2
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 77 (1995), S. 4816-4818 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We study resonant tunneling in B-δ-doped diodes grown by Si-molecular beam epitaxy. A Thomas–Fermi approach is used to obtain the conduction-band modulation. Using a scalar Hamiltonian within the effective-mass approximation we demonstrate that the occurrence of negative differential resistance (NDR) only involves conduction-band states, whereas interband tunneling effects seem to be negligible. Our theoretical results are in very good agreement with recent experimental observations of NDR in this type of diode. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 3
    Publication Date: 2012-10-31
    Description: Background: Clinical Practice Guidelines recommend using peripheral blood pulse measuring as a screening test for Atrial Fibrillation. However, there is no adequate evidence supporting the efficacy of such procedure in primary care clinical practice. This paper describes a study protocol designed to verify whether early opportunistic screening for Atrial Fibrillation by measuring blood pulse is more effective than regular practice in subjects aged 65 years attending primary care centers. Methods: An cluster-randomized controlled trial conducted in Primary Care Centers of the Spanish National Health Service. A total of 269 physicians and nurses will be allocated to one of the two arms of the trial by stratified randomization with a 3:2 ratio (three practitioners will be assigned to the Control Group for every two practitioners assigned to the Experimental Group). As many as 12 870 patients aged 65 years or older and meeting eligibility criteria will be recruited (8 580 will be allocated to the Experimental Group and 4 290 to the Control Group). Randomization and allocation to trial groups will be carried out by a central computer system. The Experimental Group practitioners will conduct an opportunistic case finding for patients with Atrial Fibrillation, while the Control Group practitioners will follow the regular guidelines. The first step will be finding new Atrial Fibrillation cases. A descriptive inferential analysis will be performed (bivariate and multivariate by multilevel logistic regression analysis).DiscussionIf our hypothesis is confirmed, we expect Primary Care professionals to take a more proactive approach and adopt a new protocol when a patient meeting the established screening criteria is identified. Finally, we expect this measure to be incorporated into Clinical Practice Guidelines.Trial registrationThe study is registered as NCT01291953 (ClinicalTrials.gob)
    Electronic ISSN: 1471-2296
    Topics: Medicine
    Published by BioMed Central
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  • 4
    Publication Date: 2016-08-17
    Description: In this paper, we present an offline map matching technique designed for indoor localization systems based on conditional random fields (CRF). The proposed algorithm can refine the results of existing indoor localization systems and match them with the map, using loose coupling between the existing localization system and the proposed map matching technique. The purpose of this research is to investigate the efficiency of using the CRF technique in offline map matching problems for different scenarios and parameters. The algorithm was applied to several real and simulated trajectories of different lengths. The results were then refined and matched with the map using the CRF algorithm.
    Electronic ISSN: 1424-8220
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Published by MDPI Publishing
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