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Mirror effect in PECVD reactor and its explanation via MC-PIC computer simulation

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F04%3A00011467" target="_blank" >RIV/00216224:14310/04:00011467 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Mirror effect in PECVD reactor and its explanation via MC-PIC computer simulation

  • Original language description

    We have studied thin film deposition from methane and thin film sputtering in argon in low pressure rf discharge. We have observed that thickness of a thin film deposited on the upper (grounded) electrode has mirrored substrates placed on the bottom rf powered electrode. The mirror effect has been studied via Monte Carlo - Particle In Cell (MC-PIC) computer simulation. In our explanation the mirror effect is caused by the difference between secondary electron emission coefficient of substrate material and material of the powered electrode. This difference in the secondary electron emission coefficient affects plasma density upon the substrates and this leads to higher or lower deposition rate on the upper electrode. In our simulation we have calculateddistribution of impact position for electrons on grounded electrode that have flew from the powered electrode. We have calculated this distribution for ions created in ionization collisions (of secondary electrons with neutrals) too. We

  • Czech name

    Zrcadlový jev v PECVD reaktoru a jeho vysvětlení pomocí MC-PIC počitačové simulace

  • Czech description

    Při studiu depozice tenkých vrstev pomocí metody PECVD byl pozorován tzv. zrcadlový jev. Zrcadlovým jevem myslíme to, že deponovaná vrstva na vrchní elektrodě odráží substrat na spodní elektrodě. Hrany obrazu nejsou zcela ostré. Tento jev jsem se snažilivzsvětli pomocí počitačových simulací, kde jako hlavní příčinu označujeme rozdílnost sekundární emise substrátů a dolní elektrody. Jako hlavní výsledek naších simulací uvádíme prostorové rozděleni sekundárních elektronů a iontů dopadajících na protějšíelektrodu.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BL - Plasma physics and discharge through gases

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA202%2F03%2F0827" target="_blank" >GA202/03/0827: A study of elementary processes in low-temperature and technologically oriented plasmas and the development of relevant diagnostic methods</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2004

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Czech. J. Phys.

  • ISSN

    0011-4626

  • e-ISSN

  • Volume of the periodical

    2004

  • Issue of the periodical within the volume

    54

  • Country of publishing house

    CZ - CZECH REPUBLIC

  • Number of pages

    6

  • Pages from-to

    "C527"-"C532"

  • UT code for WoS article

  • EID of the result in the Scopus database