Suchergebnisse - "Non-volatile memory devices"

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    Quelle: Philosophical Transactions: Mathematical, Physical and Engineering Sciences, 2009 Oct . 367(1905), 4227-4234.

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    Autoren: Marino L Koduru HK Marino S et al.

    Quelle: Nanoscience & Technology: Open Access. 4:1-10

    Schlagwörter: 0404 agricultural biotechnology, 04 agricultural and veterinary sciences, 0405 other agricultural sciences, The demand for ever more efficient non-volatile memory devices has triggered intense research into new materials and novel device architectures. In this context, nano-composite materials obtained by dispersing metallic nano-particles in liquid crystal materials, seems to be particularly promising. In this work we investigated non-volatile memory effects in two different orthoconic smectic liquid crystal mixtures with and without the addition of two different kind of polymer capped gold nanoparticles by means of broadband dielectric spectroscopy, which is a powerful method to study molecular dynamics and molecular mobility of various materials reflected in the relaxation processes over a wide frequency range. The dielectric measurements have been performed by applying bias during spectra aquisition or by applying the condition potential before the start of spectra aquisition, in order to confirm how the electric field induces charge transfer from the liquid crystal molecules to the polymeric capping of the gold nanoparticles acting as a trap for ionic charges. The results underline the importance of the structure of the host liquid crystal, the size of the nanoparticles but, above all, the kind of the polymer coating on the gold nanoparticles. The observed memory effect is of paramount importance in development of digital nonvolatile memory devices. Keywords: Liquid Crystals, Nanotechnology, Dielectric

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    Dateibeschreibung: application/pdf

    Relation: https://eprints.nottingham.ac.uk/39677/1/Patrick%20W%20C%20Ho%20-%20PhD%20Thesis.pdf; Ho, Patrick W. C. (2017) Non-volatile FPGA architecture using resistive switching devices. PhD thesis, University of Nottingham Malaysia Campus (UNMC).

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    Autoren: Zhou YH Xu W Liu Y et al.

    Quelle: Journal of physics. Condensed matter : an Institute of Physics journal [J Phys Condens Matter] 2025 Nov 18; Vol. 37 (47). Date of Electronic Publication: 2025 Nov 18.

    Publikationsart: Journal Article

    Info zur Zeitschrift: Publisher: IOP Pub Country of Publication: England NLM ID: 101165248 Publication Model: Electronic Cited Medium: Internet ISSN: 1361-648X (Electronic) Linking ISSN: 09538984 NLM ISO Abbreviation: J Phys Condens Matter Subsets: PubMed not MEDLINE; MEDLINE

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    Autoren: Kim JS Gaggio B Bakhit B et al.

    Quelle: Advanced science (Weinheim, Baden-Wurttemberg, Germany) [Adv Sci (Weinh)] 2025 Nov 14, pp. e17314. Date of Electronic Publication: 2025 Nov 14.

    Publikationsart: Journal Article

    Info zur Zeitschrift: Publisher: WILEY-VCH Country of Publication: Germany NLM ID: 101664569 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 2198-3844 (Electronic) Linking ISSN: 21983844 NLM ISO Abbreviation: Adv Sci (Weinh) Subsets: MEDLINE