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  <doc>
    <id>1758</id>
    <completedYear>2023</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue>6</issue>
    <volume>308</volume>
    <type>article</type>
    <publisherName>Wiley</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Optical and Mechanical Properties of Thin PTFE Films, Deposited from a Gas Phase</title>
    <abstract language="eng">Thin polytetrafluoroethylene (PTFE) films are produced by deposition from a gas phase by two methods: electron-enhanced vacuum deposition (EVD) and EVD + low-temperature plasma (LTP). Structure, morphology, and composition of the films are studied by IR spectroscopy, atomic force microscopy, and X-ray photoelectron spectroscopy. They are close to the structure of bulk PTFE. The roughness of the films’ surface is changed with gas pressure and LTP power variations. Films are transparent from UV to near-infrared regions. Refractive and extinction indices and their anisotropy are measured by spectral ellipsometry. They are tuned by variations of deposition conditions. Hardness and Young modulus of the films are increased if EVD + low power LTP is used for film deposition. Use of EVD + LTP also increases thermal stability of the films. Contact angle of the films corresponds to the bulk PTFE. The PTFE molecules oriented are preferentially in perpendicular direction to the substrate surface.</abstract>
    <parentTitle language="eng">Macromolecular Materials and Engineering</parentTitle>
    <identifier type="urn">urn:nbn:de:kobv:526-opus4-17587</identifier>
    <enrichment key="opus.import.data">@articlehttps://doi.org/10.1002/mame.202200617, author = Grytsenko, Kostyantyn and Kolomzarov, Yurii and Lytvyn, Peter and Kondratenko, Olga and Sopinskyy, Mykola and Lebedyeva, Iryna and Niemczyk, Agata and Baranovska, Jolanta and Moszyński, Dariusz and Villringer, Claus and Schrader, Sigurd, title = Optical and Mechanical Properties of Thin PTFE Films, Deposited from a Gas Phase, journal = Macromolecular Materials and Engineering, volume = 308, number = 6, pages = 2200617, keywords = deposition in vacuum, multiphase structure formation, optical properties, plasma, polytetrafluoroethylene thin films, doi = https://doi.org/10.1002/mame.202200617, url = https://onlinelibrary.wiley.com/doi/abs/10.1002/mame.202200617, eprint = https://onlinelibrary.wiley.com/doi/pdf/10.1002/mame.202200617, abstract = Abstract Thin polytetrafluoroethylene (PTFE) films are produced by deposition from a gas phase by two methods: electron-enhanced vacuum deposition (EVD) and EVD + low-temperature plasma (LTP). Structure, morphology, and composition of the films are studied by IR spectroscopy, atomic force microscopy, and X-ray photoelectron spectroscopy. They are close to the structure of bulk PTFE. The roughness of the films’ surface is changed with gas pressure and LTP power variations. Films are transparent from UV to near-infrared regions. Refractive and extinction indices and their anisotropy are measured by spectral ellipsometry. They are tuned by variations of deposition conditions. Hardness and Young modulus of the films are increased if EVD + low power LTP is used for film deposition. Use of EVD + LTP also increases thermal stability of the films. Contact angle of the films corresponds to the bulk PTFE. The PTFE molecules oriented are preferentially in perpendicular direction to the substrate surface., year = 2023</enrichment>
    <enrichment key="opus.import.dataHash">md5:c633b881f1ee45b20987d8a07b5e9747</enrichment>
    <enrichment key="opus.import.date">2023-07-03T11:16:51+00:00</enrichment>
    <enrichment key="opus.import.file">/tmp/phplufNEu</enrichment>
    <enrichment key="opus.import.format">bibtex</enrichment>
    <enrichment key="opus.import.id">64a2ae23de4c21.61301363</enrichment>
    <enrichment key="SourceTitle">Grytsenko, K., Kolomzarov, Y., Lytvyn, P., Kondratenko, O., Sopinskyy, M., Lebedyeva, I., Niemczyk, A., Baranovska, J., Moszyński, D., Villringer, C., Schrader, S., Optical and Mechanical Properties of Thin PTFE Films, Deposited from a Gas Phase. Macromol. Mater. Eng. 2023, 308, 2200617. https://doi.org/10.1002/mame.202200617</enrichment>
    <enrichment key="DOI_VoR">https://doi.org/10.1002/mame.202200617</enrichment>
    <licence>Creative Commons - CC BY - Namensnennung 4.0 International</licence>
    <author>Kostyantyn Grytsenko</author>
    <author>Yurii Kolomzarov</author>
    <author>Peter Lytvyn</author>
    <author>Olga Kondratenko</author>
    <author>Mykola Sopinskyy</author>
    <author>Iryna Lebedyeva</author>
    <author>Agata Niemczyk</author>
    <author>Jolanta Baranowska</author>
    <author>Dariusz Moszyński</author>
    <author>Claus Villringer</author>
    <author>Sigurd Schrader</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>deposition in vacuum</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>multiphase structure formation</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>optical property</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>plasma</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>polytetrafluoroethylene thin film</value>
    </subject>
    <collection role="ddc" number="621">Angewandte Physik</collection>
    <collection role="institutes" number="">Fachbereich Ingenieur- und Naturwissenschaften</collection>
    <collection role="open_access" number="">open_access</collection>
    <collection role="Funding" number="">Projekt DEAL</collection>
    <collection role="Funding" number="">Publikationsfonds der TH Wildau</collection>
    <collection role="green_open_access" number="1">Gold Open Access</collection>
    <thesisPublisher>Technische Hochschule Wildau</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-th-wildau/files/1758/mme.pdf</file>
  </doc>
  <doc>
    <id>1971</id>
    <completedYear>2025</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue>3</issue>
    <volume>310</volume>
    <type>article</type>
    <publisherName>Wiley</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Structural and Optical Anomalies in Thin Films Grown in a Magnetic Field by Electron-Assisted Vacuum Deposition of PTFE</title>
    <abstract language="eng">Polytetrafluoroethylene (PTFE) films are deposited in parallel and perpendicular magnetic fields (MF) by electron-enhanced vacuum deposition (EVD) and EVD + low-temperature plasma (LTP) methods. The structure, morphology, and nanomechanical properties of the films are studied by infrared spectroscopy (IRS), atomic force microscopy (AFM), and spectroscopic ellipsometry. The structure of the thicker films is closer to that of bulk PTFE than that of thin films. The films' crystallinity and surface roughness are higher than those deposited without MF. The birefringence of the refractive index (n) of the films deposited in the MF is inverse to the anisotropy of the n of the films deposited without MF. The hardness of the films is close to that of bulk PTFE.</abstract>
    <parentTitle language="eng">Macromolecular Materials and Engineering</parentTitle>
    <identifier type="urn">urn:nbn:de:kobv:526-opus4-19712</identifier>
    <enrichment key="opus.import.date">2024-12-10T06:52:15+00:00</enrichment>
    <enrichment key="opus.source">sword</enrichment>
    <enrichment key="opus.import.user">sword</enrichment>
    <enrichment key="DOI_VoR">https://doi.org/10.1002/mame.202400332</enrichment>
    <enrichment key="SourceTitle">V. Ksianzou, C. Villringer, K. Grytsenko, D. Pekur, P. Lytvyn, M. Sopinskyy, I. Lebedyeva, A. Niemczyk, J. Baranowska, Structural and Optical Anomalies in Thin Films Grown in a Magnetic Field by Electron-Assisted Vacuum Deposition of PTFE. Macromol. Mater. Eng. 2025, 310, 2400332. https://doi.org/10.1002/mame.202400332</enrichment>
    <licence>Creative Commons - CC BY - Namensnennung 4.0 International</licence>
    <author>Viachaslau Ksianzou</author>
    <author>Claus Villringer</author>
    <author>Kostyantyn Grytsenko</author>
    <author>Demyd Pekur</author>
    <author>Peter Lytvyn</author>
    <author>Mykola Sopinskyy</author>
    <author>Iryna Lebedyeva</author>
    <author>Agata Niemczyk</author>
    <author>Jolanta Baranowska</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>birefringence</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>deposition in vacuum</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>morphology</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>plasma</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>thin polytetrafluoroethylene film</value>
    </subject>
    <collection role="ddc" number="621">Angewandte Physik</collection>
    <collection role="institutes" number="">Fachbereich Ingenieur- und Naturwissenschaften</collection>
    <collection role="open_access" number="">open_access</collection>
    <collection role="Import" number="import">Import</collection>
    <collection role="Funding" number="">Publikationsfonds der TH Wildau</collection>
    <collection role="green_open_access" number="1">Gold Open Access</collection>
    <thesisPublisher>Technische Hochschule Wildau</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-th-wildau/files/1971/1971.pdf</file>
  </doc>
</export-example>
