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SiliconLaser

Deliverables

Recruitment of researchers

Recruitment of researchers (Aim to hire >30% female, if possible)

Surface passivation

Development of surface passivation

Strain dependent PL, TeraHertz

Insight into the factors determining the optical properties of Hex-SiGe

Theory

Calculation of the band gap energy and optical transition matrix elements as a function of Hex-SiGe composition.

WZ substrates

Growth of catalyst-free Hex-SiGe substrate

Synthesis of Hex-SiGe

Synthesis of Hex-SixGe1-x including structural and chemical analyses.

Terahertz conductivity

Terahertz conductivity measurements on doped Hex-SiGe NWs.

Verification direct bandgap

Measurement of the basic optical properties of Hex-SiGe. Verification direct bandgap

Annual technical Report

Technical report related to the Technical Action Check Meeting in M14

Lattice parameters

Measured lattice parameters, including lattice strain as a function of Hex-SiGe composition

Scientific action check meeting 1

Date 14 feb 2019 Agenda: Opening, agenda Introduction by coordinator (WP6) All presentations should discuss the status of milestones and deliverables Presentation on Hex-SiGe synthesis (TU/e, WP1) Presentation on measurements of the lattice parameters and strain distribution (JKU, WP1) Presentation on theoretical calculation on the properties of Hex-SiGe (Jena, WP1) Presentation on the optical properties of Hex SiGe (TU/e, TUM, UOXF, WP2) Presentation on TeraHertz conductivity measurements and doping (UOXF, TU/e, WP3) Presentation on surface passivation and ohmic contatcs (IBM, WP4) Presentation on WZ substrates and CMOS integration (IBM, TU/e, WP5) Agreements for the next year Amendments to the project

Technical action check meeting

Date: 15-2-2018 Opening, agenda Introduction by coordinator (WP6) All presentations should discuss the status of milestones and deliverables Presentation on Hex-SiGe synthesis (TU/e, WP1) Presentation on measurements of the lattice parameters and strain distribution (JKU, WP1) Presentation on theoretical calculation on the properties of Hex-SiGe (Jena, WP1) Presentation on the optical properties of Hex SiGe (TU/e, TUM, UOXF, WP2) Presentation on TeraHertz conductivity measurements (UOXF, WP3) Presentation on surface passivation (IBM, WP4) Presentation on steps towards CMOS integration (IBM, TU/e, WP5) Agreements for the next year Amendments to the project Closure

Deliverable website

Set up project website for deliverables. Project logo ready

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Publications

Concurrent Zinc-Blende and Wurtzite Film Formation by Selection of Confined Growth Planes

Author(s): Philipp Staudinger, Svenja Mauthe, Kirsten E. Moselund, Heinz Schmid
Published in: Nano Letters, Issue 18/12, 2018, Page(s) 7856-7862, ISSN 1530-6984
DOI: 10.1021/acs.nanolett.8b03632

Accurate electronic and optical properties of hexagonal germanium for optoelectronic applications

Author(s): Claudia Rödl, Jürgen Furthmüller, Jens Renè Suckert, Valerio Armuzza, Friedhelm Bechstedt, Silvana Botti
Published in: Physical Review Materials, Issue 3/3, 2019, Page(s) 034602, ISSN 2475-9953
DOI: 10.1103/physrevmaterials.3.034602

Forbidden Band-Edge Excitons of Wurtzite-GaP: A Theoretical View


Published in: ISSN 0370-1972
DOI: 10.1002/pssb.201800238

Exploring the Size Limitations of Wurtzite III–V Film Growth

Author(s): Philipp Staudinger, Kirsten E. Moselund, Heinz Schmid
Published in: Nano Letters, Issue 20/1, 2019, Page(s) 686-693, ISSN 1530-6984
DOI: 10.1021/acs.nanolett.9b04507

Temperature-Dependent Refractive Index of Quartz at Terahertz Frequencies

Author(s): Christopher L. Davies, Jay B. Patel, Chelsea Q. Xia, Laura M. Herz, Michael B. Johnston
Published in: Journal of Infrared, Millimeter, and Terahertz Waves, Issue 39/12, 2018, Page(s) 1236-1248, ISSN 1866-6892
DOI: 10.1007/s10762-018-0538-7

Direct-bandgap emission from hexagonal Ge and SiGe alloys

Author(s): Elham M. T. Fadaly, Alain Dijkstra, Jens Renè Suckert, Dorian Ziss, Marvin A. J. van Tilburg, Chenyang Mao, Yizhen Ren, Victor T. van Lange, Ksenia Korzun, Sebastian Kölling, Marcel A. Verheijen, David Busse, Claudia Rödl, Jürgen Furthmüller, Friedhelm Bechstedt, Julian Stangl, Jonathan J. Finley, Silvana Botti, Jos E. M. Haverkort, Erik P. A. M. Bakkers
Published in: Nature, Issue 580/7802, 2020, Page(s) 205-209, ISSN 0028-0836
DOI: 10.1038/s41586-020-2150-y

Three-dimensional cross-nanowire networks recover full terahertz state

Author(s): Kun Peng, Dimitars Jevtics, Fanlu Zhang, Sabrina Sterzl, Djamshid A. Damry, Mathias U. Rothmann, Benoit Guilhabert, Michael J. Strain, Hark H. Tan, Laura M. Herz, Lan Fu, Martin D. Dawson, Antonio Hurtado, Chennupati Jagadish, Michael B. Johnston
Published in: Science, Issue 368/6490, 2020, Page(s) 510-513, ISSN 0036-8075
DOI: 10.1126/science.abb0924