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Showing 1 to 12 of 60 entries
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Atom-probe for FinFET dopant characterization.

Ultramicroscopy

Kambham AK, Mody J, Gilbert M, Koelling S, Vandervorst W.
PMID: 21288644
Ultramicroscopy. 2011 May;111(6):535-9. doi: 10.1016/j.ultramic.2011.01.017. Epub 2011 Jan 18.

With the continuous shrinking of transistors and advent of new transistor architectures to keep in pace with Moore's law and ITRS goals, there is a rising interest in multigate 3D-devices like FinFETs where the channel is surrounded by gates...

Hard Superconducting Gap in InSb Nanowires.

Nano letters

Gül Ö, Zhang H, de Vries FK, van Veen J, Zuo K, Mourik V, Conesa-Boj S, Nowak MP, van Woerkom DJ, Quintero-Pérez M, Cassidy MC, Geresdi A, Koelling S, Car D, Plissard SR, Bakkers EP, Kouwenhoven LP.
PMID: 28355877
Nano Lett. 2017 Apr 12;17(4):2690-2696. doi: 10.1021/acs.nanolett.7b00540. Epub 2017 Apr 03.

Topological superconductivity is a state of matter that can host Majorana modes, the building blocks of a topological quantum computer. Many experimental platforms predicted to show such a topological state rely on proximity-induced superconductivity. However, accessing the topological properties...

Anti-stiction coating for mechanically tunable photonic crystal devices.

Optics express

Petruzzella M, Zobenica Ž, Cotrufo M, Zardetto V, Mameli A, Pagliano F, Koelling S, van Otten FWM, Roozeboom F, Kessels WMM, van der Heijden RW, Fiore A.
PMID: 29475245
Opt Express. 2018 Feb 19;26(4):3882-3891. doi: 10.1364/OE.26.003882.

A method to avoid the stiction failure in nano-electro-opto-mechanical systems has been demonstrated by coating the system with an anti-stiction layer of Al

Suppressing Segregation in Highly Phosphorus Doped Silicon Monolayers.

ACS nano

Keizer JG, Koelling S, Koenraad PM, Simmons MY.
PMID: 26568129
ACS Nano. 2015 Dec 22;9(12):12537-41. doi: 10.1021/acsnano.5b06299. Epub 2015 Nov 20.

Sharply defined dopant profiles and low resistivity are highly desired qualities in the microelectronic industry, and more recently, in the development of an all epitaxial Si:P based quantum computer. In this work, we use thin (monolayers thick) room temperature...

True Atomic-Scale Imaging in Three Dimensions: A Review of the Rebirth of Field-Ion Microscopy.

Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada

Vurpillot F, Danoix F, Gilbert M, Koelling S, Dagan M, Seidman DN.
PMID: 28337951
Microsc Microanal. 2017 Apr;23(2):210-220. doi: 10.1017/S1431927617000198. Epub 2017 Mar 24.

This article reviews recent advances utilizing field-ion microscopy (FIM) to extract atomic-scale three-dimensional images of materials. This capability is not new, as the first atomic-scale reconstructions of features utilizing FIM were demonstrated decades ago. The rise of atom probe...

Band structure engineering in organic semiconductors.

Science (New York, N.Y.)

Schwarze M, Tress W, Beyer B, Gao F, Scholz R, Poelking C, Ortstein K, Günther AA, Kasemann D, Andrienko D, Leo K.
PMID: 27313043
Science. 2016 Jun 17;352(6292):1446-9. doi: 10.1126/science.aaf0590.

A key breakthrough in modern electronics was the introduction of band structure engineering, the design of almost arbitrary electronic potential structures by alloying different semiconductors to continuously tune the band gap and band-edge energies. Implementation of this approach in...

Design rules for organic donor-acceptor heterojunctions: pathway for charge splitting and detrapping.

Journal of the American Chemical Society

Poelking C, Andrienko D.
PMID: 25902037
J Am Chem Soc. 2015 May 20;137(19):6320-6. doi: 10.1021/jacs.5b02130. Epub 2015 May 07.

Organic solar cells rely on the conversion of a Frenkel exciton into free charges via a charge-transfer state formed on a molecular donor-acceptor pair. These charge-transfer states are strongly bound by Coulomb interactions and yet efficiently converted into charge-separated...

The Use of Europiumstearate to Trace Polyethylene Wear Debris in Joint Fluid after Prosthetic Joint Replacement - A Feasibility Study.

Trends in applied spectroscopy

Kunze J, Ngai V, Koelling S, Jacobs JJ, Wimmer MA.
PMID: 24920867
Trends Appl Spectrosc. 2013;10:43-48.

Ultra-high molecular weight polyethylene (UHMWPE) is the most common counterface material against metals or ceramics in artificial hip or knee joints. Wear and the resulting particulate debris, however, limit the life span of the implant. In this study, the...

Resonant interaction of plasmons and intersubband resonances in a two-dimensional electron system.

Physical review letters

Heitmann D, Kotthaus JP, Oelting S.
PMID: 10032791
Phys Rev Lett. 1986 Apr 28;56(17):1846-1849. doi: 10.1103/PhysRevLett.56.1846.

No abstract available.

Spin-Orbit Interaction and Induced Superconductivity in a One-Dimensional Hole Gas.

Nano letters

de Vries FK, Shen J, Skolasinski RJ, Nowak MP, Varjas D, Wang L, Wimmer M, Ridderbos J, Zwanenburg FA, Li A, Koelling S, Verheijen MA, Bakkers EPAM, Kouwenhoven LP.
PMID: 30192147
Nano Lett. 2018 Oct 10;18(10):6483-6488. doi: 10.1021/acs.nanolett.8b02981. Epub 2018 Sep 21.

Low dimensional semiconducting structures with strong spin-orbit interaction (SOI) and induced superconductivity attracted great interest in the search for topological superconductors. Both the strong SOI and hard superconducting gap are directly related to the topological protection of the predicted...

Ballistic Phonons in Ultrathin Nanowires.

Nano letters

Vakulov D, Gireesan S, Swinkels MY, Chavez R, Vogelaar T, Torres P, Campo A, De Luca M, Verheijen MA, Koelling S, Gagliano L, Haverkort JEM, Alvarez FX, Bobbert PA, Zardo I, Bakkers EPAM.
PMID: 32091910
Nano Lett. 2020 Apr 08;20(4):2703-2709. doi: 10.1021/acs.nanolett.0c00320. Epub 2020 Mar 03.

According to Fourier's law, a temperature difference across a material results in a linear temperature profile and a thermal conductance that decreases inversely proportional to the system length. These are the hallmarks of diffusive heat flow. Here, we report...

High Mobility Stemless InSb Nanowires.

Nano letters

Badawy G, Gazibegovic S, Borsoi F, Heedt S, Wang CA, Koelling S, Verheijen MA, Kouwenhoven LP, Bakkers EPAM.
PMID: 31094527
Nano Lett. 2019 Jun 12;19(6):3575-3582. doi: 10.1021/acs.nanolett.9b00545. Epub 2019 May 22.

High aspect-ratio InSb nanowires (NWs) of high chemical purity are sought for implementing advanced quantum devices. The growth of InSb NWs is challenging, generally requiring a stem of a foreign material for nucleation. Such a stem tends to limit...

Showing 1 to 12 of 60 entries