Publications by authors named "Christian Heyn"

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Switchable 3D Photonic Crystals Based on the Insulator-to-Metal Transition in VO.
Jun Peng, Julia Brandt, Maurice Pfeiffer, Laura G Maragno, Tobias Krekeler, Christian Heyn

ACS Appl Mater Interfaces· December 2024

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Vertical Electric-Field-Induced Switching from Strong to Asymmetric Strong-Weak Confinement in GaAs Cone-Shell Quantum Dots Using Transparent Al-Doped ZnO Gates.
Ahmed Alshaikh, Jun Peng, Robert Zierold, Robert H Blick, Christian Heyn

Nanomaterials (Basel)· October 2024

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Wavelength-tunable high-fidelity entangled photon sources enabled by dual Stark effects.
Chen Chen, Jun-Yong Yan, Hans-Georg Babin, Jiefei Wang, Xingqi Xu, Christian Heyn

Nat Commun· July 2024

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GaAs Cone-Shell Quantum Dots in a Lateral Electric Field: Exciton Stark-Shift, Lifetime, and Fine-Structure Splitting.
Ahmed Alshaikh, Robert H Blick, Christian Heyn

Nanomaterials (Basel)· July 2024

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Temperature-Enhanced Exciton Emission from GaAs Cone-Shell Quantum Dots.
Christian Heyn, Leonardo Ranasinghe, Kristian Deneke, Ahmed Alshaikh, Robert H Blick

Nanomaterials (Basel)· December 2023

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Cone-Shell Quantum Structures in Electric and Magnetic Fields as Switchable Traps for Photoexcited Charge Carriers.
Christian Heyn, Leonardo Ranasinghe, Ahmed Alshaikh, Carlos A Duque

Nanomaterials (Basel)· May 2023

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Strong Electric Polarizability of Cone-Shell Quantum Structures for a Large Stark Shift, Tunable Long Exciton Lifetimes, and a Dot-to-Ring Transformation.
Christian Heyn, Leonardo Ranasinghe, Kristian Deneke, Ahmed Alshaikh, Carlos A Duque

Nanomaterials (Basel)· February 2023

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Modeling of Masked Droplet Deposition for Site-Controlled Ga Droplets.
Stefan Feddersen, Viktoryia Zolatanosha, Ahmed Alshaikh, Dirk Reuter, Christian Heyn

Nanomaterials (Basel)· January 2023

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Dot-Size Dependent Excitons in Droplet-Etched Cone-Shell GaAs Quantum Dots.
Christian Heyn, Andreas Gräfenstein, Geoffrey Pirard, Leonardo Ranasinghe, Kristian Deneke

Nanomaterials (Basel)· August 2022

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Charge Tunable GaAs Quantum Dots in a Photonic n-i-p Diode.
Hans Georg Babin, Julian Ritzmann, Nikolai Bart, Marcel Schmidt, Timo Kruck, Christian Heyn

Nanomaterials (Basel)· October 2021

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Design and operation of a portable micro-photoluminescence spectrometer for education on semiconductor quantum structures and graphene sheets.
Christian Heyn

Rev Sci Instrum· May 2021

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Luminescence from Droplet-Etched GaAs Quantum Dots at and Close to Room Temperature.
Leonardo Ranasinghe, Christian Heyn, Kristian Deneke, Michael Zocher, Roman Korneev

Nanomaterials (Basel)· March 2021

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Electronic structure of vertically coupled quantum dot-ring heterostructures under applied electromagnetic probes. A finite-element approach.
M E Mora-Ramos, J A Vinasco, D Laroze, A Radu, R L Restrepo, Christian Heyn

Sci Rep· February 2021

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Modeling of Al and Ga Droplet Nucleation during Droplet Epitaxy or Droplet Etching.
Christian Heyn, Stefan Feddersen

Nanomaterials (Basel)· February 2021

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Donor impurity related optical and electronic properties of cylindrical GaAs-AlGa As quantum dots under tilted electric and magnetic fields.
Christian Heyn, C A Duque

Sci Rep· June 2020

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Ultra-fast cell counters based on microtubular waveguides.
Cornelius S Bausch, Christian Heyn, Wolfgang Hansen, Insa M A Wolf, Björn-Philipp Diercks

Sci Rep· January 2017

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Droplet etching of deep nanoholes for filling with self-aligned complex quantum structures.
Achim Küster, Christian Heyn, Arne Ungeheuer, Gediminas Juska, Stefano Tommaso Moroni

Nanoscale Res Lett· December 2016

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Role of Arsenic During Aluminum Droplet Etching of Nanoholes in AlGaAs.
Christian Heyn, Michel Zocher, Sandra Schnüll, Wolfgang Hansen

Nanoscale Res Lett· December 2016

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Three-terminal energy harvester with coupled quantum dots.
Holger Thierschmann, Rafael Sánchez, Björn Sothmann, Fabian Arnold, Christian Heyn

Nat Nanotechnol· October 2015

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Dynamics of mass transport during nanohole drilling by local droplet etching.
Christian Heyn, Thorben Bartsch, Stefano Sanguinetti, David Jesson, Wolfgang Hansen

Nanoscale Res Lett· April 2015

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Thermally controlled widening of droplet etched nanoholes.
Christian Heyn, Sandra Schnüll, David E Jesson, Wolfgang Hansen

Nanoscale Res Lett· June 2014

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Stacked GaAs quantum dots fabricated by refilling of self-organized nanoholes: optical properties and post-growth annealing.
Ville Polojärvi, Andreas Schramm, Mircea Guina, Andrea Stemmann, Christian Heyn

Nanotechnology· March 2011

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Optical modes excited by evanescent-wave-coupled PbS nanocrystals in semiconductor microtube bottle resonators.
Kay Dietrich, Christian Strelow, Constanze Schliehe, Christian Heyn, Andrea Stemmann

Nano Lett· February 2010

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Rolled-up three-dimensional metamaterials with a tunable plasma frequency in the visible regime.
Stephan Schwaiger, Markus Bröll, Andreas Krohn, Andrea Stemmann, Christian Heyn

Phys Rev Lett· April 2009

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Correlation effects in wave function mapping of molecular beam epitaxy grown quantum dots.
Giuseppe Maruccio, Martin Janson, Andreas Schramm, Christian Meyer, Tomohiro Matsui, Christian Heyn

Nano Lett· September 2007

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