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    Tytuł:
    Charging Phenomena at the Interface Between High-k Dielectrics and SiOx Interlayers
    Autorzy:
    Engström, O.
    Raeissi, B.
    Piscator, J.
    Mitrovic, I. Z.
    Hall, S.
    Gottlob, H. D. B.
    Schmidt, M.
    Hurley, P. K.
    Cherkaoui, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/308138.pdf
    Data publikacji:
    2010
    Wydawca:
    Instytut Łączności - Państwowy Instytut Badawczy
    Tematy:
    defects
    dielectrics
    high-k
    metal oxide semiconductor
    Opis:
    The transition regions of GdSiO/SiOx and HfO2/ SiOx interfaces have been studied with the high-k layers deposited on silicon substrates. The existence of transition regions was verified by medium energy ion scattering (MEIS) data and transmission electron microscopy (TEM). From measurements of thermally stimulated current (TSC), electron states were found in the transition region of the HfO2/SiOx structures, exhibiting instability attributed to the flexible structural molecular network expected to surround the trap volumes. The investigations were focused especially on whether the trap states belong to an agglomeration consisting of a single charge polarity or of a dipole constellation. We found that flat-band voltage shifts of MOS structures, that reach constant values for increasing oxide thickness, cannot be taken as unique evidence for the existence of dipole layers.
    Źródło:
    Journal of Telecommunications and Information Technology; 2010, 1; 10-19
    1509-4553
    1899-8852
    Pojawia się w:
    Journal of Telecommunications and Information Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Lean in the supply chain: a literature review
    Autorzy:
    Ugochukwu, P.
    Engström, J.
    Langstrand, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/406738.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Lean
    łańcuch dostaw
    technika
    praktyka
    przegląd literatury
    supply chain
    literature review
    principles
    practices
    techniques
    Opis:
    "Lean" is a management philosophy that enhances customer value through waste elimination and continuous improvement in a system, by applying lean principles, practices and techniques. The focus on lean implementations and research had been on a single company without extension to the entire supply chain. When the lean concept is implemented across the entire supply chain, however, it is referred to as a lean supply chain. The purpose of this paper is to review literature on lean in the supply chain and identify research trends and issues within the field. The paper involves a comprehensive review of articles on lean in the supply chain using structured content analysis. The reviewed articles were classified based on the basic characteristics and contextual issues of the articles. The researchers in the field agree that the identified benefits of lean in the supply chain, which include reduced cost, improved quality, faster delivery and flexibility, are linked to the implementation of certain lean principles, practices and techniques in the supply chain. Most of the reviewed articles are case studies, and evidence for the benefits of lean in the supply chain is anecdotal. While the empirical work done in the field is encouraging, quantitative studies to substantiate the claims for the efficiency of lean in the supply chain are lacking. In the reviewed articles, the manufacturing sector received much attention, while the service sector received little attention from researchers in the field. It was generally suggested that the supply chain members, suppliers and manufacturers should be considered in the implementation of lean in the supply chain, while the inclusion of distributors and end customers was not discussed in detail in many of the reviewed articles.
    Źródło:
    Management and Production Engineering Review; 2012, 3, 4; 87-96
    2080-8208
    2082-1344
    Pojawia się w:
    Management and Production Engineering Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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