activity
20112025
most citedElectric Field-Tuned Topological Phase Transition in Ultra-Thin Na3Bi - Towards a Topological Transistor

234 citations · 746 across the 20 of their papers we have counts for

collaborators

20 papers

cond-mat.str-el2025

Atomic-scale control of substrate-spin coupling via vertical manipulation of a 2D metal-organic framework

Benjamin Lowe, Bernard Field, Dhaneesh Kumar +9

Two-dimensional (2D) materials with frustrated crystal geometries can host strongly correlated electrons, potentially leading to a range of exotic many-body quantum phases such as…

cond-mat.mtrl-sci2024★ 1 cited

Upper Bound Estimate of the Electronic Scattering Potential of a Weakly Interacting Molecular Film on a Metal

Dhaneesh Kumar, Matthew Hendy, Jack Hellerstedt +4

Thin organic films and two-dimensional (2D) molecular assemblies on solid surfaces yield the potential for applications in molecular electronics, optoelectronics, catalysis, and se…

physics.chem-ph2023★ 41 cited

Selective Activation of Aromatic C-H Bonds Catalyzed by Single Gold Atoms at Room Temperature

Benjamin Lowe, Jack Hellerstedt, Adam Matěj +5

Selective activation and controlled functionalization of C-H bonds in organic molecules is one of the most desirable processes in synthetic chemistry. Despite progress in heterogen…

cond-mat.str-el2023★ 32 cited

Local gate control of Mott metal-insulator transition in a 2D metal-organic framework

Benjamin Lowe, Bernard Field, Jack Hellerstedt +5

Electron-electron interactions in materials lead to exotic many-body quantum phenomena including Mott metal-insulator transitions (MITs), magnetism, quantum spin liquids, and super…

cond-mat.mes-hall2022★ 1 cited

Counting Molecules: Python based scheme for automated enumeration and categorization of molecules in scanning tunneling microscopy images

Jack Hellerstedt, Aleš Cahlík, Martin Švec +2

Scanning tunneling and atomic force microscopies (STM/nc-AFM) are rapidly progressing to offer unprecedented spatial resolution of a diverse array of chemical species. In particula…

cond-mat.str-el2021★ 49 cited

Manifestation of strongly correlated electrons in a 2D kagome metal-organic framework

Dhaneesh Kumar, Jack Hellerstedt, Bernard Field +4

The kagome lattice, whose electronic valence band (VB) structure includes two Dirac bands and one flat band, offers a rich space to realise tuneable topological and strongly correl…

cond-mat.mtrl-sci2020★ 7 cited

Long-Range Surface-Assisted Molecule-Molecule Hybridization

Marina Castelli, Jack Hellerstedt, Cornelius Krull +4

Metalated phthalocyanines (Pc's) are robust and versatile molecular complexes, whose properties can be tuned by changing their functional groups and central metal atom. The electro…

cond-mat.mes-hall2020★ 29 cited

Progress in epitaxial thin-film Na3Bi as a topological electronic material

I. Di Bernardo, J. Hellerstedt, C. Liu +8

Na3Bi was the first experimentally verified topological Dirac semimetal (TDS), and is a 3D analogue of graphene hosting relativistic Dirac fermions. Its unconventional momentum-ene…

cond-mat.mes-hall2020★ 20 cited

Significance of nuclear quantum effects in hydrogen bonded molecular chains

Aleš Cahlík, Jack Hellerstedt, Jesús I. Mendieta-Moreno +10

In hydrogen bonded systems, nuclear quantum effects such as zero-point motion and tunneling can significantly affect their material properties through underlying physical and chemi…

cond-mat.mtrl-sci2020★ 9 cited

Quantum Transport in Air-stable Na3Bi Thin Films

Chang Liu, Golrokh Akhgar, James L. Collins +4

Na3Bi has attracted significant interest in both bulk form as a three-dimensional topological Dirac semimetal and in ultra-thin form as a wide-bandgap two-dimensional topological i…

cond-mat.mtrl-sci2019★ 43 cited

Electronic bandstructure of in-plane ferroelectric van der Waals

James L. Collins, Chutian Wang, Anton Tadich +11

Layered indium selenides () have recently been discovered to host robust out-of-plane and in-plane ferroelectricity in the and ' phases, respectively. In this…

cond-mat.mes-hall2018★ 25 cited

On-Surface Structural and Electronic Properties of Spontaneously Formed TbPc Single Molecule Magnets

Jack Hellerstedt, Aleš Cahlík, Martin Švec +8

The single molecule magnet (SMM) bis(phthalocyaninato)terbium (III) (TbPc) has attracted steady research attention as an exemplar system for realizing molecule-based spin elect…

cond-mat.mtrl-sci2018★ 234 cited

Electric Field-Tuned Topological Phase Transition in Ultra-Thin Na3Bi - Towards a Topological Transistor

James L. Collins, Anton Tadich, Weikang Wu +11

The electric field induced quantum phase transition from topological to conventional insulator has been proposed as the basis of a topological field effect transistor [1-4]. In thi…

cond-mat.mes-hall2018★ 41 cited

Iron-based trinuclear metal-organic nanostructures on a surface with local charge accumulation

Cornelius Krull, Marina Castelli, Prokop Hapala +3

Coordination chemistry relies on harnessing active metal sites within organic matrices. Polynuclear complexes - consisting of organic ligands binding to clusters of several metal a…

cond-mat.mtrl-sci2017★ 10 cited

Temperature Dependent n-p Transition of 3 Dimensional Dirac Semimetal NaBi Thin Film

Chang Liu, Jack Hellerstedt, Mark T. Edmonds +1

We study the temperature dependence ( K - K) of the longitudinal resistivity and Hall coefficient of thin films (thickness nm) of three dimensional topological Dirac…

cond-mat.mtrl-sci2017★ 12 cited

Electrostatic Modulation of the Electronic Properties of Dirac Semimetal Na3Bi

Jack Hellerstedt, Indra Yudhistira, Mark T. Edmonds +4

Large-area thin films of topological Dirac semimetal NaBi are grown on amorphous SiO:Si substrates to realise a field-effect transistor with the doped Si acting as back gat…

cond-mat.mtrl-sci2017★ 33 cited

Observation of Effective Pseudospin Scattering in ZrSiS

Michael S. Lodge, Guoqing Chang, Cheng-Yi Huang +10

3D Dirac semimetals are an emerging class of materials that possess topological electronic states with a Dirac dispersion in their bulk. In nodal-line Dirac semimetals, the conduct…

cond-mat.mtrl-sci2016★ 25 cited

Spatial Charge Inhomogeneity and Defect States in Topological Dirac Semimetal Thin Films

Mark T. Edmonds, James L. Collins, Jack Hellerstedt +5

The close approach of the Fermi energy EF of a Dirac semimetal to the Dirac point ED uncovers new physics such as velocity renormalization,1,2,3 and the Dirac plasma 4,5 at |EF -ED…

cond-mat.mtrl-sci2014★ 21 cited

Thickness and growth-condition dependence of \emph{in-situ} mobility and carrier density of epitaxial thin-film BiSe

Jack Hellerstedt, Mark Edmonds, J. H. Chen +3

Bismuth selenide BiSe was grown by molecular beam epitaxy while carrier density and mobility were measured directly \emph{in situ} as a function of film thickness. Carrier…

cond-mat.supr-con2011★ 113 cited

Phase diagram of electrostatically doped Strontium Titanate (SrTiO3)

Yeonbae Lee, Colin Clement, Jack Hellerstedt +4

Electric double layer transistor configurations have been employed to electrostatically dope single crystals of insulating SrTiO_{3}. Here we report on the results of such doping o…