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Yttrium hydride layer with switchable microwave properties
Racomna AB, Uppsala, Sweden.ORCID-id: 0000-0003-2887-049X
Racomna AB, Uppsala, Sweden.
Racomna AB, Uppsala, Sweden.
Faculty of Sciences, Division of Physics and Astronomy, Vrije Universiteit, Amsterdam, The Netherlands.
2004 (Engelska)Ingår i: Thin Solid Films, ISSN 0040-6090, E-ISSN 1879-2731, Vol. 467, nr 1-2, s. 186-189Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

We report on switching properties in the microwave region of yttrium hydride. A microstrip line of gold on a quartz substrate was used. A gap in the gold had an yttrium hydride layer of 1.0 ÎŒm thickness with a cap layer of 5 nm palladium and 2 nm aluminium oxide. The yttrium hydride was switched between a metallic and a semiconducting state with the exchange of hydrogen. The transmission (S21) and reflection (S11) coefficients were measured in the range 10 MHz-20 GHz. In the metallic state, the sample works like a microwave transmission line and in its semiconducting state, like a microwave resistor. The transmission coefficient was also measured at 5.0 GHz during hydrogenation and de-hydrogenation.

Ort, förlag, år, upplaga, sidor
2004. Vol. 467, nr 1-2, s. 186-189
Nyckelord [en]
Dehydrogenation; Electromagnetic wave reflection; Electromagnetic wave transmission; Frequencies; Hydrides; Hydrogenation; Lithography; Microstrip lines; Microwave devices; Microwaves; Reaction kinetics, Metal hydrides; Microwave transmission lines; Switchable microwave properties; Transmission coefficients, Yttrium compounds
Nationell ämneskategori
Fysik Elektroteknik och elektronik
Identifikatorer
URN: urn:nbn:se:hig:diva-23224DOI: 10.1016/j.tsf.2004.03.039ISI: 000224185100031Scopus ID: 2-s2.0-4444221734OAI: oai:DiVA.org:hig-23224DiVA, id: diva2:1062380
Tillgänglig från: 2017-01-05 Skapad: 2017-01-05 Senast uppdaterad: 2018-03-13Bibliografiskt granskad

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