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  • 1
    Online Resource
    Online Resource
    Electrodynamics from the viewpoint of modern continuum theory—A review
    Wiley ; 2023
    In:  ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik Vol. 103, No. 4 ( 2023-04)
    Details
    In: ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, Wiley, Vol. 103, No. 4 ( 2023-04)
    Abstract: This paper wants to draw attention to several issues in electrodynamic field theory and to make way for a rational continuum approach to the subject. The starting point are the balances for magnetic flux and electric charge, both in a very general formulation for volumes and for open surfaces, all of which can deform and be immaterial or material. The spatial point‐of‐view for the description of fields is favored and its advantages in comparison to the concept of material particles is explained. A straightforward answer to the question of how to choose units for the electromagnetic fields most suitably is also presented. The transformation properties of the electromagnetic fields are addressed by rewriting the balances in space–time notation. Special attention is paid to the connection between the two sets of electromagnetic fields through the so‐called Maxwell–Lorentz–æther relations. The paper ends with an outlook into constitutive theory of matter under the influence of electromagnetic fields and a discussion on curious developments in context with Maxwell's equations.
    Type of Medium: Online Resource
    ISSN: 0044-2267 , 1521-4001
    URL: Issue
    URL: Article
    DOI: 10.1002/zamm.v103.4
    DOI: 10.1002/zamm.202200179
    RVK:
    ZG 1100
    Language: English
    Publisher: Wiley
    Publication Date: 2023
    detail.hit.zdb_id: 203011-1
    detail.hit.zdb_id: 1474638-4
    SSG: 17,1
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  • 2
    Online Resource
    Online Resource
    Summary of ISO/TC 201 Technical Report 23173—Surface chemical analysis—Electron spectroscopies—Measurement of the thickness and composition of nanoparticle coatings
    Wiley ; 2021
    In:  Surface and Interface Analysis Vol. 53, No. 10 ( 2021-10), p. 893-898
    Details
    In: Surface and Interface Analysis, Wiley, Vol. 53, No. 10 ( 2021-10), p. 893-898
    Abstract: ISO Technical Report 23173 describes methods by which electron spectroscopies, including X‐ray photoelectron spectroscopy (XPS), Auger electron spectroscopy (AES) and synchrotron techniques, can be employed to calculate the coating thicknesses and compositions of nanoparticles. The document has been developed to review and outline the current state‐of‐the‐art for such measurements. Such analyses of core–shell nanoparticles are common within the literature, however the methods employed are varied; the relative advantages and disadvantages of these methods, and the optimal usage of each may not be clear to the general analyst. ISO Technical Report 23173 aims to clarify the methods that are available, describe them in clear terms, exhibit examples of their use, and highlight potential issues users may face. The information provided should allow analysts of electron spectroscopy data to make clear choices regarding the appropriate analysis of electron spectroscopy data from coated nanoparticle systems and provide a basis for understanding and comparing results from different methods and systems.
    Type of Medium: Online Resource
    ISSN: 0142-2421 , 1096-9918
    URL: Issue
    URL: Article
    DOI: 10.1002/sia.v53.10
    DOI: 10.1002/sia.6987
    RVK:
    ZG 1100
    Language: English
    Publisher: Wiley
    Publication Date: 2021
    detail.hit.zdb_id: 2023881-2
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  • 3
    Online Resource
    Online Resource
    Thermal evolution of free volumes and of crystallization in amorphous Si–B–C–N ceramics
    Walter de Gruyter GmbH ; 2006
    In:  International Journal of Materials Research Vol. 97, No. 5 ( 2006-05-01), p. 621-625
    Details
    In: International Journal of Materials Research, Walter de Gruyter GmbH, Vol. 97, No. 5 ( 2006-05-01), p. 621-625
    Abstract: We report on the crystallization behavior of initially amorphous precursor-derived Si 3 B 1 C 4.3 N 2 ceramics, making use of macroscopic and atomic scale investigation techniques. As derived from our kinetic studies upon heating, the following temperature sequence of solid state processes is observed with approximately the same kinetic time constants: after an initial densification in the amorphous state (1673K), crystallization occurs (1873K) with subsequent strain relaxation and disappearance of nanovoids (2073K). This behavior indicates an increasing activation enthalpy of the atomic mechanisms giving rise to these processes when the annealing temperature is increased. The nanovoids may be located in the turbostratic BNC x layers as derived from positron annihilation studies. For grain growth at high temperatures an activation energy of H G =3.9eV is derived.
    Type of Medium: Online Resource
    ISSN: 2195-8556 , 1862-5282
    URL: Article
    DOI: 10.3139/146.101280
    RVK:
    ZG 1100
    Language: English
    Publisher: Walter de Gruyter GmbH
    Publication Date: 2006
    detail.hit.zdb_id: 2232675-3
    detail.hit.zdb_id: 2128058-7
    detail.hit.zdb_id: 203021-4
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