496 citations · 1.5k across the 16 of their papers we have counts for
17 papers
Photonics in Flatland: Challenges and Opportunities for Nanophotonics with 2D Semiconductors
Ali Azimi, Julien Barrier, Angela Barreda +45
Two-dimensional (2D) semiconductors are emerging as a versatile platform for nanophotonics, offering unprecedented tunability in optical properties through exciton resonance engine…
Edge-Induced Excitations in BiTe from Spatially-Resolved Electron Energy-Gain Spectroscopy
Helena La, Abel Brokkelkamp, Stijn van der Lippe +3
Among the many potential applications of topological insulator materials, their broad potential for the development of novel tunable plasmonics at THz and mid-infrared frequencies…
Spatially-Resolved Band Gap and Dielectric Function in 2D Materials from Electron Energy Loss Spectroscopy
Abel Brokkelkamp, Jaco ter Hoeve, Isabel Postmes +6
The electronic properties of two-dimensional (2D) materials depend sensitively on the underlying atomic arrangement down to the monolayer level. Here we present a novel strategy fo…
Revealing the nanogeometry of WS2 nanoflowers by polarization-resolved Raman spectroscopy
Irina Komen, Sabrya E. van Heijst, Martin Caldarola +2
Recent studies of Transition Metal Dichalcogenides (TMDs) have revealed exciting optical properties like stable excitons and chiral light-matter interactions. Chemical vapor deposi…
Position-dependence of valley polarization and valley coherence of WS2 monolayer flakes
Irina Komen, Sabrya E. van Heijst, Sonia Conesa-Boj +1
Chiral interaction between light and two-dimensional transition metal dichalcogenides (2D-TMDs) has recently drawn enormous scientific attention. The optical selection rules of the…
Morphology-induced spectral modification of self-assembled WS2 pyramids
Irina Komen, Sabrya E. van Heijst, Sonia Conesa-Boj +1
Due to their intriguing optical properties, including stable and chiral excitons, two-dimensional transition metal dichalcogenides (2D-TMDs) hold the promise of applications in nan…
Illuminating the electronic properties of WS polytypism with electron microscopy
Sabrya E. van Heijst, Masaki Mukai, Eiji Okunishi +5
Tailoring the specific stacking sequences (polytypes) of layered materials represents a powerful strategy to identify and design novel physical properties. While nanostructures bui…
Charting the low-loss region in Electron Energy Loss Spectroscopy with machine learning
Laurien I. Roest, Sabrya E. van Heijst, Louis Maduro +2
Exploiting the information provided by electron energy-loss spectroscopy (EELS) requires reliable access to the low-loss region where the zero-loss peak (ZLP) often overwhelms the…
Robust fabrication of large-area in- and out-of-plane cross-section samples of layered materials with ultramicrotomy
M. O. Cichocka, M. Bolhuis, S. E. van Heijst +1
Layered materials (LMs) such as graphene or MoS have recently attracted a great deal of interest. These materials offer unique functionalities due to their structural anisotrop…
Metallic edge states in zig-zag vertically-oriented MoS2 nanowalls
Miguel Tinoco, Louis Maduro, Sonia Conesa-Boj
The remarkable properties of layered materials such as MoS2 strongly depend on their dimensionality. Beyond manipulating their dimensions, it has been predicted that the electronic…
Ballistic superconductivity in semiconductor nanowires
Hao Zhang, Önder Gül, Sonia Conesa-Boj +19
Semiconductor nanowires have opened new research avenues in quantum transport owing to their confined geometry and electrostatic tunability. They have offered an exceptional testbe…
Observation of Conductance Quantization in InSb Nanowire Networks
Elham M. T. Fadaly, Hao Zhang, Sonia Conesa-Boj +7
Majorana Zero Modes (MZMs) are prime candidates for robust topological quantum bits, holding a great promise for quantum computing. Semiconducting nanowires with strong spin orbit…
Hard superconducting gap in InSb nanowires
Önder Gül, Hao Zhang, Folkert K. de Vries +14
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 sho…
InSb Nanowires with Built-In GaxIn1-xSb Tunnel Barriers for Majorana Devices
Diana Car, Sonia Conesa-Boj, Hao Zhang +12
Majorana zero modes (MZMs), prime candidates for topological quantum bits, are detected as zero bias conductance peaks (ZBPs) in tunneling spectroscopy measurements. Implementation…
Direct correlation of crystal structure and optical properties in wurtzite/zinc-blende GaAs nanowire heterostructures
Martin Heiß, Sonia Conesa-Boj, Jun Ren +11
A novel method for the direct correlation at the nanoscale of structural and optical properties of single GaAs nanowires is reported. Nanowires consisting of 100% wurtzite and nano…
Raman spectroscopy of wurtzite and zinc-blende GaAs nanowires: polarization dependence, selection rules and strain effects
I. Zardo, S. Conesa-Boj, F. Peiro +5
Polarization dependent Raman scattering experiments realized on single GaAs nanowires with different percentages of zinc-blende and wurtzite structure are presented. The selection…
Structural and optical properties of high quality zinc-blende/wurtzite GaAs hetero-nanowires
D. Spirkoska, J. Arbiol, A. Gustafsson +14
The structural and optical properties of 3 different kinds of GaAs nanowires with 100% zinc-blende structure and with an average of 30% and 70% wurtzite are presented. A variety of…