488 citations · 3.9k across the 77 of their papers we have counts for
77 papers
Interfacial Oxidation Enables Charge-Transfer Contacts and Degenerate n-Doping in Monolayer MoS
Marco Bianchi, Daniel Lizzit, Alberto Turoldo +7
High contact resistance remains a central obstacle to the integration of two-dimensional (2D) semiconductors in electronic devices. Recent advances have demonstrated that contact p…
A Metastable Pentagonal 2D Material Synthesized by Symmetry-Driven Epitaxy
Lina Liu, Yujin Ji, Marco Bianchi +9
Most two-dimensional (2D) materials experimentally studied so far have hexagons as their building blocks. Only a few exceptions, such as PdSe2, are lower in energy in pentagonal ph…
Kramers nodal line in the charge density wave state of YTe and the influence of twin domains
Shuvam Sarkar, Joydipto Bhattacharya, Pramod Bhakuni +13
Recent studies have focused on the relationship between charge density wave (CDW) collective electronic ground states and nontrivial topological states. Using angle-resolved photoe…
Mixed-valence state in the dilute-impurity regime of La-substituted SmB
Marta Zonno, Matteo Michiardi, Fabio Boschini +11
Homogeneous mixed-valence (MV) behaviour is one of the most intriguing phenomena of -electron systems. Despite extensive efforts, a fundamental aspect which remains unsettled is…
Charge transfer-induced Lifshitz transition and magnetic symmetry breaking in ultrathin CrSBr crystals
Marco Bianchi, Kimberly Hsieh, Esben Juel Porat +9
Ultrathin CrSBr flakes are exfoliated \emph{in situ} on Au(111) and Ag(111) and their electronic structure is studied by angle-resolved photoemission spectroscopy. The thin flakes'…
Paramagnetic Electronic Structure of CrSBr: Comparison between Ab Initio GW Theory and Angle-Resolved Photoemission Spectroscopy
Marco Bianchi, Swagata Acharya, Florian Dirnberger +9
We explore the electronic structure of paramagnetic CrSBr by comparative first principles calculations and angle-resolved photoemission spectroscopy. We theoretically approximate t…
Current driven insulator-to-metal transition without Mott breakdown in CaRuO
Davide Curcio, Charlotte E. Sanders, Alla Chikina +16
The electrical control of a material's conductivity is at the heart of modern electronics. Conventionally, this control is achieved by tuning the density of mobile charge carriers.…
Charge density wave induced nodal lines in LaTe
Shuvam Sarkar, Joydipto Bhattacharya, Pampa Sadhukhan +11
LaTe is a noncentrosymmetric (NC) material with time reversal (TR) symmetry in which the charge density wave (CDW) is hosted by the Te bilayers. Here, we show that LaTe hos…
In-situ exfoliation method of large-area 2D materials
Antonija Grubišić-Čabo, Matteo Michiardi, Charlotte E. Sanders +6
The success in studying 2D materials inherently relies on producing samples of large area, and high quality enough for the experimental conditions. Because their 2D nature surface…
Charge density wave-generated Fermi surfaces in NdTe
Alla Chikina, Henriette Lund, Marco Bianchi +7
The electronic structure of NdTe in the charge density wave phase (CDW) is investigated by angle-resolved photoemission spectroscopy. The combination of high-quality crystals a…
Epitaxial growth of a two-dimensional topological insulator candidate: monolayer Si2Te2
Xiaochun Huang, Rui Xiong, Klara Volckaert +9
Hexagonal Si2Te2 monolayers (ML-Si2Te2) were predicted to show strain-dependent band-crossover between semiconducting and room-temperature quantum spin Hall phases. However, invest…
One-dimensional electronic states in a natural misfit structure
Alla Chikina, Gargee Bhattacharyya, Davide Curcio +7
Misfit compounds are thermodynamically stable stacks of two-dimensional materials, forming a three-dimensional structure that remains incommensurate in one direction parallel to th…
Single-crystal graphene on Ir(110)
Stefan Kraus, Felix Huttmann, Jeison Fischer +12
A single-crystal sheet of graphene is synthesized on the low-symmetry substrate Ir(110) by thermal decomposition of CH at 1500 K. Using scanning tunneling microscopy, low-e…
Bulk band structure of SbTe determined by angle-resolved photoemission spectroscopy
Henriette E. Lund, Klara Volckaert, Paulina Majchrzak +4
The bulk band structure of the topological insulator \sbte~ is investigated by angle-resolved photoemission spectroscopy. Of particular interest is the dispersion of the uppermost…
Fermi surface tomography
Sergey Borisenko, Alexander Fedorov, Andrii Kuibarov +19
Fermi surfaces, three-dimensional (3D) abstract interfaces that define the occupied energies of electrons in a solid, are important for characterizing and predicting the thermal, e…
Ultrafast electronic line width broadening in the C 1s core level of graphene
Davide Curcio, Sahar Pakdel, Klara Volckaert +31
Core level binding energies and absorption edges are at the heart of many experimental techniques concerned with element-specific structure, electronic structure, chemical reactivi…
Electronic Properties of Single-Layer CoO/Au(111)
Ann Julie U. Holt, Sahar Pakdel, Jonathan Rodríguez-Fernández +11
We report direct measurements via angle-resolved photoemission spectroscopy (ARPES) of the electronic dispersion of single-layer CoO. The Fermi contour consists of a large hole…
Spectroscopic view of ultrafast charge carrier dynamics in single- and bilayer transition metal dichalcogenide semiconductors
P. Majchrzak, K. Volckaert, A. G. Cabo +24
The quasiparticle spectra of atomically thin semiconducting transition metal dichalcogenides (TMDCs) and their response to an ultrafast optical excitation critically depend on inte…
Tuning the doping of epitaxial graphene on a conventional semiconductor via substrate surface reconstruction
Miriam Galbiati, Luca Persichetti, Paola Gori +8
Combining scanning tunneling microscopy and angle-resolved photoemission spectroscopy, we demonstrate how to tune the doping of epitaxial graphene from p to n by exploiting the str…
Moiré induced electronic structure modifications in monolayer VS on Au(111)
Umut Kamber, Sahar Pakdel, Raluca-Maria Stan +11
There is immense interest in how the local environment influences the electronic structure of materials at the single layer limit. We characterize moiré induced spatial variations…
Decoupling Molybdenum Disulfide from its Substrate by Cesium Intercalation
Roberto Sant, Simone Lisi, Van Dung Nguyen +14
Intercalation of alkali atoms within the lamellar transition metal dichalcogenides is a possible route toward a new generation of batteries. It is also a way to induce structural p…
Observation and origin of the -manifold in Si:P -layers
Ann Julie Holt, Sanjoy K. Mahatha, Raluca-Maria Stan +9
By creating a sharp and dense dopant profile of phosphorus atoms buried within a silicon host, a two-dimensional electron gas is formed within the dopant region. Quantum confinemen…
Layer and orbital interference effects in photoemission from transition metal dichalcogenides
Habib Rostami, Klara Volckaert, Nicola Lanata +10
In this work, we provide an effective model to evaluate the one-electron dipole matrix elements governing optical excitations and the photoemission process of single-layer (SL) and…
Momentum-resolved linear dichroism in bilayer MoS
Klara Volckaert, Habib Rostami, Deepnarayan Biswas +19
Inversion-symmetric crystals are optically isotropic and thus naively not expected to show dichroism effects in optical absorption and photoemission processes. Here, we find a stro…