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(Invited) Surface Passivation of High-k Dielectric Materials on Diamond Thin Films
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.
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2015 (English)In: ECS Transactions, ISSN 1938-5862, E-ISSN 1938-6737, Vol. 69, 61-65 p.Article in journal (Refereed) Published
Abstract [en]

Single-crystalline CVD diamond films have excellent electrical and material properties with potential in high power, high voltage and high frequency applications that are out of reach for conventional semiconductor materials. For realization of efficient devices (e.g. MOSFET), finding a suitable dielectric is essential to improve the reliability and electrical performance of devices. In the current study, we present results from surface passivation studies by high-k dielectric materials such as aluminum oxide and hafnium oxide deposited by ALD on intrinsic and boron doped diamond substrates. The hole transport properties in the intrinsic diamond films were evaluated and compared to unpassivated films using the lateral time-of-flight technique. The MOS capacitor structure, which forms the basic building block of the MOSFET, is discussed.

Place, publisher, year, edition, pages
2015. Vol. 69, 61-65 p.
Keyword [en]
Diamond, High Mobility Channel
National Category
Engineering and Technology
Research subject
Engineering Science with specialization in Science of Electricity
Identifiers
URN: urn:nbn:se:uu:diva-268460DOI: 10.1149/06905.0061ecstOAI: oai:DiVA.org:uu-268460DiVA: diva2:877125
Conference
228th ECS Meeting, Phoenix, October 11-15, 2015
Funder
Swedish Research Council
Available from: 2015-12-04 Created: 2015-12-04 Last updated: 2017-12-01

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Publisher's full texthttp://ecst.ecsdl.org/content/69/5/61.abstract

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Kovi, Kiran KumarMajdi, SamanGabrysch, MarkusSuntornwipat, NattakarnIsberg, Jan

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