Molecular beam epitaxy of transition metal (Ti-, V-, and Cr-) tellurides: from monolayer ditellurides to multilayer self-intercalation compounds

K Lasek, PM Coelho, K Zberecki, Y Xin, SK Kolekar… - ACS …, 2020 - ACS Publications
Material growth by van der Waals epitaxy has the potential to isolate monolayer (ML)
materials and synthesize ultrathin films not easily prepared by exfoliation or other growth …

Fermi Surface Reconstruction and Electron Dynamics at the Charge-Density-Wave Transition in

P Knowles, B Yang, T Muramatsu, O Moulding… - Physical Review Letters, 2020 - APS
The evolution of the charge carrier concentrations and mobilities are examined across the
charge-density-wave (CDW) transition in TiSe 2. Combined quantum oscillation and …

Insight into the charge density wave gap from contrast inversion in topographic STM images

M Spera, A Scarfato, A Pasztor, E Giannini… - Physical Review Letters, 2020 - APS
Charge density waves (CDWs) are understood in great detail in one dimension, but they
remain largely enigmatic in two-dimensional systems. In particular, numerous aspects of the …

Ultrafast creation of a light-induced semimetallic state in strongly excited 1T-TiSe2

M Huber, Y Lin, G Marini, L Moreschini, C Jozwiak… - Science …, 2024 - science.org
Screening, a ubiquitous phenomenon associated with the shielding of electric fields by
surrounding charges, has been widely adopted as a means to modify a material's properties …

Structural involvement in the melting of the charge density wave in

M Burian, M Porer, JRL Mardegan, V Esposito… - Physical review …, 2021 - APS
In this work, we use ultrafast pump-probe nonresonant and resonant x-ray diffraction to track
the periodic lattice distortion and the electronic charge density wave in 1 T-TiSe 2 upon …

Computational methods for charge density waves in 2D materials

S Chowdhury, AF Rigosi, HM Hill, P Vora… - Nanomaterials, 2022 - mdpi.com
Two-dimensional (2D) materials that exhibit charge density waves (CDWs)—spontaneous
reorganization of their electrons into a periodic modulation—have generated many research …

Compositional Phase Change of Early Transition Metal Diselenide (VSe2 and TiSe2) Ultrathin Films by Postgrowth Annealing

M Bonilla, S Kolekar, J Li, Y Xin… - Advanced Materials …, 2020 - Wiley Online Library
The transition metal selenides M1+ ySe2 (M= V, Ti) have intriguing quantum properties,
which make them target materials for controlling properties by thinning them to the ultrathin …

Semiconductor–Metal Phase Transition and Emergent Charge Density Waves in 1T-ZrX2 (X = Se, Te) at the Two-Dimensional Limit

MQ Ren, S Han, JQ Fan, L Wang, P Wang, W Ren… - Nano Letters, 2022 - ACS Publications
A charge density wave (CDW) is a collective quantum phenomenon in metals and features a
wavelike modulation of the conduction electron density. A microscopic understanding and …

Janus layers and electronic structure of 1T-(TiSeS) 2

Y Lou, P Lou - Physical Chemistry Chemical Physics, 2024 - pubs.rsc.org
TiS2–TiSe2 is one of the most studied titanium based solid solution systems. However, so
far, all research on it has only focused on its disordered phase. Here, we systematically …

Trigonal-to-monoclinic structural transition in due to a combined condensation of and phonon instabilities

A Subedi - Physical Review Materials, 2022 - APS
I present first principles calculations of the phonon dispersions of TiSe 2 in the P 3¯ c 1
phase, which is the currently accepted low-temperature structure of this material. They show …