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Nanostructured alumina-tantala dielectrics for high-frequency integral capacitors

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26220%2F12%3APR26575" target="_blank" >RIV/00216305:26220/12:PR26575 - isvavai.cz</a>

  • Result on the web

    <a href="http://www.umel.feec.vutbr.cz/LabSensNano/Products.aspx" target="_blank" >http://www.umel.feec.vutbr.cz/LabSensNano/Products.aspx</a>

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Nanostructured alumina-tantala dielectrics for high-frequency integral capacitors

  • Original language description

    Three types of thin solid films with the nanoscale inner structures were synthesized by sputtering-deposition and anodizing of Al layer, Al 1.5 at.% Si alloy layer, and Al/Ta bilayer on Si wafers. All the anodic films comprised 1 um thick nanoporous alumina layer as the key component. The essential differences were due to the silicon impurities (AlSi alloy) and the array of nanosized tantalum oxide protrusions in the alumina barrier layer (Al/Ta bilayer).

  • Czech name

  • Czech description

Classification

  • Type

    G<sub>funk</sub> - Functional sample

  • CEP classification

    JA - Electronics and optoelectronics

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    R - Projekt Ramcoveho programu EK

Others

  • Publication year

    2012

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Internal product ID

    nano dielectrics

  • Numerical identification

    97418

  • Technical parameters

    Precursor films used: Al (99.99%), Al 1.5at.%Si alloy, Al(99,99%)/Ta(99.95%) bilayer; film thicknesses: Al=2000 nm, Al-Si alloy=2000 nm, Al/Ta=700/250 nm; specific capacitance ... 6.5 nF cm-2, dielectric constant ... 7.3-7.35; loss tangent ... (40-60)x10E-4, leakage current at at 1.0 MV cm-1 ... 3x10E-12 Breakdown voltage ... 170-270 V Funkční vzorek byl na základě získaných poznatků zkonstruován a ověřen. Je využíván na pracovišti řešitele LabSensNano (VUT v Brně, Fakulta elektrotechniky a komunikačních technologií, Ústav mikroelektroniky, Technická 3058/10, 616 00 Brno, Česká republika)

  • Economical parameters

    The technology enables high-volume, low-cost solution for electronics and microelectronics Costs for developing 300.000 CZK

  • Application category by cost

  • Owner IČO

  • Owner name

    Ústav mikroelektroniky

  • Owner country

    CZ - CZECH REPUBLIC

  • Usage type

    N - Využití výsledku jiným subjektem je možné bez nabytí licence (výsledek není licencován)

  • Licence fee requirement

  • Web page

    http://www.umel.feec.vutbr.cz/LabSensNano/Products.aspx