Explanipedia

About carrier's self-trapping and dynamical Rashba splitting in the two-dimensional hybrid perovskite (BA)$_2$(MA)$_2$Pb$_3$I$_{10}$ Open

Wenjing Qi, Stefano Ponzoni, Guénolé Huitric, В. П. Горелов, A. Pramanik , et al. · 2025

Time- and Angle-Resolved Photoelectron Spectroscopy (tr-ARPES) is employed to monitor photoexcited electrons in the two-dimensional hybrid perovskite (BA)$_2$(MA)$_2$Pb$_3$I$_{10}$. Photoelectron intensity maps are in good agreement with a…

Revealing orbital texture of grey arsenic through linear dichroism in multidimensional photoemission spectroscopy Open

Jingwei Dong, Jiuxiang Zhang, Zailan Zhang, Dan Luo, Yongguang Zhang , et al. · 2025

Two-dimensional (2D) layered material grey arsenic exhibits great potential for electronic and optoelectronics devices. Identifying the orbital texture in the electronic energy bands close to Fermi level is crucial for understanding and fu…

Highly variable carbon environment in the salt probed by carbon -edge x-ray absorption and resonant inelastic x-ray scattering spectroscopy Open

Djénabou Bayo, V. Balédent, Alberto Boccuni, Vita Ilakovac, S. Carniato , et al. · 2025

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Rotation symmetry mismatch and interlayer hybridization in MoS2-black phosphorus van der Waals heterostructures Open

Zailan Zhang, Alberto Zobelli, Chaofeng Gao, Yingchun Cheng, J. Zhang , et al. · 2025

Interlayer coupling in 2D heterostructures can result in a reduction of the rotation symmetry and the generation of quantum phenomena. Although these effects have been demonstrated in transition metal dichalcogenides (TMDs) with mismatched…

Direct observation of electronic band gap and hot carrier dynamics in GeAs semiconductor Open

Zailan Zhang, Jiuxiang Zhang, Gangqiang Zhou, Jiyuan Xu, Xiao Zhang , et al. · 2024

Germanium arsenide (GeAs) is a layered semiconductor with remarkably anisotropic physical, thermoelectric and optical properties, and a promising candidate for multifunctional devices based on in-plane polarization dependent response. Unde…

Synthesis and properties of phosphorus nanostructures on Au(110) Open

Xiao Zhang, Hamza El kari, Hanna Enriquez, Azzedine Bendounan, Abdelkader Kara , et al. · 2024

Phosphorus nanostructures are synthesized on an Au(110) substrate via molecular beam epitaxy. We obtain self-assembled phosphorus dimers at low coverage and long-range phosphorus nanoribbons at higher coverage. Both present metallic charac…

Selective Catalytic Hydrogenation of Fatty Acids with Cobalt–Halloysite Nanocomposites for Waste Valorization Open

Alejandro Serrano‐Maldonado, Azzedine Bendounan, Mathieu G. Silly, Daniel Plá, Montserrat Gómez · 2023

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Manipulating Dirac States in BaNiS2 by Surface Charge Doping Open

Jiuxiang Zhang, Thibault Sohier, Michele Casula, Zhesheng Chen, Jonathan Caillaux , et al. · 2023

In the Dirac semimetal BaNiS₂, the Dirac nodes are located along the Γ-M symmetry line of the Brillouin zone, instead of being pinned at fixed high-symmetry points. We take advantage of this peculiar feature to demonstrate the p…

First steps of silicene growth on an insulating thin-film: effect of the substrate temperature Open

Khalid Quertite, Hanna Enriquez, Nicolas Trcera, P. Lagarde, Azzedine Bendounan , et al. · 2023

Silicene is a two-dimensional (2D) material with very promising electronic properties for applications in silicon modern technology. However, the first experimental synthesis of silicene on metallic surfaces shows strong interactions betwe…

Dichroism in the ultrafast ARPES response and valence band orbital nature of $$\textrm{BaNiS}_2$$ Open

Jiuxiang Zhang, Zhesheng Chen, Jonathan Caillaux, Y. Klein, Andrea Gauzzi , et al. · 2022

Electron beam analysis induces Cl vacancy defects in a NaCl thin film Open

Khalid Quertite, Hanna Enriquez, Nicolas Trcera, Azzedine Bendounan, Andrew J. Mayne , et al. · 2021

This work reports on the electron-induced modification of NaCl thin film grown on Ag(110). We show using low energy electron diffraction that electron beam bombardment leads to desorption and formation of Cl vacancy defects on NaCl surface…

MoS2/PPy Nanocomposite as a Transducer for Electrochemical Aptasensor of Ampicillin in River Water Open

Maroua Hamami, Meryem Bouaziz, Noureddine Raouafi, Azzedine Bendounan, Hafsa Korri‐Youssoufi · 2021

We report the design of an electrochemical aptasensor for ampicillin detection, which is an antibiotic widely used in agriculture and considered to be a water contaminant. We studied the transducing potential of nanostructure composed of M…

Flat epitaxial quasi-1D phosphorene chains Open

Wei Zhang, Hanna Enriquez, Yongfeng Tong, Andrew J. Mayne, Azzedine Bendounan , et al. · 2021

Adsorption of Se on Cu(1 0 0) and formation of two-dimensional copper selenide layer Open

Yongfeng Tong, Hamid Oughaddou, Hanna Enriquez, S. Kubsky, V.A. Esaulov , et al. · 2020

Silicene Nanoribbons on an Insulating Thin Film Open

Khalid Quertite, Hanna Enriquez, Nicolas Trcera, Yongfeng Tong, Azzedine Bendounan , et al. · 2020

Silicene, a new 2D material has attracted intense research because of the ubiquitous use of silicon in modern technology. However, producing free‐standing silicene has proved to be a huge challenge. Until now, silicene could be synthesized…

Phase transition from Au–Te surface alloy towards tellurene-like monolayer Open

Meryem Bouaziz, Wei Zhang, Yongfeng Tong, Hamid Oughaddou, Hanna Enriquez , et al. · 2020

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Phosphorus Pentamers: Floating Nanoflowers form a 2D Network Open

Wei Zhang, Hanna Enriquez, Yongfeng Tong, Andrew J. Mayne, Azzedine Bendounan , et al. · 2020

We present an experimental investigation of a new polymorphic 2D single layer of phosphorus on Ag(111). The atomically-resolved scanning tunneling microscopy (STM) images show a new 2D material composed of freely-floating phosphorus pentam…

Unraveling intrinsic correlation effects with angle-resolved photoemission spectroscopy Open

Jianqiang Sky Zhou, Lucia Reining, Alessandro Nicolaou, Azzedine Bendounan, Kari Ruotsalainen , et al. · 2020

Significance Photoemission spectra reflect the many-body electronic structure of materials. The main peaks whose energies vary as a function of angle-resolved momentum usually correspond to the band structure. Replicas of these peaks, call…

Phosphorus Pentamers: Floating Nanoflowers form a 2D Network Open

Wei Zhang, Hanna Enriquez, Yongfeng Tong, Andrew J. Mayne, Azzedine Bendounan , et al. · 2020

An experimental investigation of a new polymorphic 2D single layer of phosphorus on Ag(111) is presented. The atomically‐resolved scanning tunneling microscopy images show a new 2D material composed of freely‐floating phosphorus pentamers …

Blue phosphorene reactivity on the Au(111) surface Open

Wei Zhang, Hanna Enriquez, Xuan Zhang, Andrew J. Mayne, Azzedine Bendounan , et al. · 2020

The synthesis of blue phosphorene by molecular beam epitaxy (MBE) has recently come under the spotlight due to its potential applications in electronic and optoelectronic devices. However, this synthesis remains a significant challenge. Th…

First steps of blue phosphorene growth on Au(1 1 1) Open

Wei Zhang, Hanna Enriquez, Andrew J. Mayne, Azzedine Bendounan, Ari P. Seitsonen , et al. · 2020

Evidence of new 2D material: Cu2Te Open

Yongfeng Tong, Meryem Bouaziz, Wei Zhang, Baydaa Obeid, Antoine Loncle , et al. · 2020

The number of two-dimensional (2D) materials has grown steadily since the discovery of graphene. Each new 2D material demonstrated unusual physical properties offering a large flexibility in their tailoring for high-tech applications. Here…

Phase transition and thermal stability of epitaxial PtSe2 nanolayer on Pt(111) Open

Yongfeng Tong, Meryem Bouaziz, Hamid Oughaddou, Hanna Enriquez, Karine Chaouchi , et al. · 2020

LEED, STM and XPS techniques were used to systematically study a temperature-dependent phase transition on a PtSe₂ film grown on the surface of Pt(111) by a chemical deposition method.

Tip-induced oxidation of silicene nano-ribbons Open

Mohamed Rachid Tchalala, Hanna Enriquez, Azzedine Bendounan, Andrew J. Mayne, Gérald Dujardin , et al. · 2020

We report on the oxidation of self-assembled silicene nanoribbons grown on the Ag (110) surface using scanning tunneling microscopy and high-resolution photoemission spectroscopy.

Charge transfer and band gap opening of a ferrocene/graphene heterostructure Open

Bacem Zribi, Anne‐Marie Haghiri‐Gosnet, Azzedine Bendounan, Abdelkarim Ouerghi, Hafsa Korri‐Youssoufi · 2019

Blue Phosphorene: Epitaxial Synthesis of Blue Phosphorene (Small 51/2018) Open

Wei Zhang, Hanna Enriquez, Yongfeng Tong, Azzedine Bendounan, Abdelkader Kara , et al. · 2018

In article number 1804066, Hamid Oughaddou and co-workers synthesize a single-layer of blue phosphorene on Au(111) using molecular beam epitaxy. Scanning tunneling microscopy images show high-quality and ordered monolayer phosphorene. Dens…

Dispersing and non-dispersing satellites in the photoemission spectra of aluminum Open

Jianqiang Sky Zhou, Lucia Reining, Alessandro Nicolaou, Azzedine Bendounan, Kari Ruotsalainen , et al. · 2018

Satellites in electronic spectra are pure many-body effects, and their study has been of increasing interest in both experiment and theory. The presence of satellites due to plasmon excitations can be understood with simple models of elect…

Epitaxial Synthesis of Blue Phosphorene Open

Wei Zhang, Hanna Enriquez, Yongfeng Tong, Azzedine Bendounan, Abdelkader Kara , et al. · 2018

Phosphorene is a new 2D material composed of a single or few atomic layers of black phosphorus. Phosphorene has both an intrinsic tunable direct bandgap and high carrier mobility values, which make it suitable for a large variety of optica…

Laser induced phase transition in epitaxial FeRh layers studied by pump-probe valence band photoemission Open

Federico Pressacco, Vojtěch Uhlíř, Matteo Gatti, Alessandro Nicolaou, Azzedine Bendounan , et al. · 2018

We use time-resolved X-ray photoelectron spectroscopy to probe the electronic and magnetization dynamics in FeRh films after ultrafast laser excitations. We present experimental and theoretical results which investigate the electronic stru…

ZnO Functionalization: Metal–Dithiol Superstructures on ZnO(0001) by Self-Assembly Open

Yongfeng Tong, Tingming Jiang, Shunli Qiu, Konstantin Koshmak, Angelo Giglia , et al. · 2018

We present a study of the functionalization of a monocrystalline ZnO surface using aromatic dithiols. The aim is to obtain a sulfur-terminated self-assembled monolayer (SAM), which is then used for creation of further molecular superstruct…

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