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Adsorbate-Induced Modification of the Confining Barriers in a Quantum Box Array
Univ Basel, Dept Phys, Klingelbergstr 82, CH-4056 Basel, Switzerland..
Norwegian Univ Sci & Technol NTNU, Dept Phys, Ctr Quantum Spintron, Hogskoleringen 5,Realfagbygget D5-170, N-7491 Trondheim, Norway..
ETH, Lab Organ Chem, Vladimir Prelog Weg 3, CH-8093 Zurich, Switzerland..
Univ Groningen, Zernike Inst Adv Mat, Nijenborgh 4, NL-9747 AG Groningen, Netherlands.;Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201204, Peoples R China..
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2018 (English)In: ACS Nano, ISSN 1936-0851, E-ISSN 1936-086X, Vol. 12, no 1, p. 768-778Article in journal (Refereed) Published
Abstract [en]

Quantum devices depend on addressable elements, which can be modified separately and in their mutual interaction. Self-assembly at surfaces, for example, formation of a porous (metal-) organic network, provides an ideal way to manufacture arrays of identical quantum boxes, arising in this case from the confinement of the electronic (Shockley) surface state within the pores. We show that the electronic quantum box state as well as the interbox coupling can be modified locally to a varying extent by a selective choice of adsorbates, here C60, interacting with the barrier. In view of the wealth of differently acting adsorbates, this approach allows for engineering quantum states in on-surface network architectures.

Place, publisher, year, edition, pages
2018. Vol. 12, no 1, p. 768-778
Keywords [en]
quantum box, electronic coupling, on-surface self-assembled network, surface state, adsorption
National Category
Condensed Matter Physics Nano Technology
Identifiers
URN: urn:nbn:se:uu:diva-346371DOI: 10.1021/acsnano.7b07989ISI: 000423495200082PubMedID: 29272579OAI: oai:DiVA.org:uu-346371DiVA, id: diva2:1192687
Funder
Swedish Research Council, 348-2012-6196; 2014-5993EU, European Research Council, ERC-2012-StG 307760-SURF-PROKnut and Alice Wallenberg FoundationEuropean Social Fund (ESF)Available from: 2018-03-23 Created: 2018-03-23 Last updated: 2018-03-23Bibliographically approved

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