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Observation of transferred-electron oscillations in diamond
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.ORCID iD: 0000-0002-8815-5992
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.ORCID iD: 0000-0002-6057-7931
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.ORCID iD: 0000-0002-6402-9393
Element Six Innovation, Fermi Avenue, Harwell Oxford, Didcot, Oxfordshire OX11 0QR, United Kingdom.
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2019 (English)In: Applied Physics Letters, ISSN 0003-6951, E-ISSN 1077-3118, Vol. 115, article id 192101Article in journal (Refereed) Published
Abstract [en]

The transferred-electron oscillator (TEO), or Gunn oscillator, is a device used in microwave applications, which utilizes the negative differential mobility (NDM) effect to generate continuous oscillations. Recently, NDM was observed in intrinsic single-crystalline chemical vapor deposition (SC-CVD) diamond. The occurrence was explained by the electron repopulation between its different conduction band valleys. This paper presents the results of constructing a diamond TEO based on the NDM effect. A series of experiments have been performed for varying voltages, temperatures, and resonator parameters on three SC-CVD diamond samples of different thicknesses. For the temperature range of 90–300 K, we observe transferred-electron oscillations in diamond.

Place, publisher, year, edition, pages
American Institute of Physics (AIP), 2019. Vol. 115, article id 192101
Keywords [en]
Diamond, Gunn, Oscillations, Solid State, Charge transport, Quantum transport
National Category
Condensed Matter Physics
Research subject
Engineering Science with specialization in Science of Electricity
Identifiers
URN: urn:nbn:se:uu:diva-397407DOI: 10.1063/1.5126058OAI: oai:DiVA.org:uu-397407DiVA, id: diva2:1371489
Funder
Swedish Research Council, 2018-04154Swedish Research Council, 621-2012-5819Swedish Research Council, 621-2014-6026Swedish Energy Agency, 44718-1Available from: 2019-11-20 Created: 2019-11-20 Last updated: 2019-11-26Bibliographically approved

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