Topological materials discovery from crystal symmetry

BJ Wieder, B Bradlyn, J Cano, Z Wang… - Nature Reviews …, 2022 - nature.com
Topological materials discovery has evolved at a rapid pace over the past 15 years following
the identification of the first nonmagnetic topological insulators (TIs), topological crystalline …

van der Waals metallic transition metal dichalcogenides

GH Han, DL Duong, DH Keum, SJ Yun… - Chemical reviews, 2018 - ACS Publications
Transition metal dichalcogenides are layered materials which are composed of transition
metals and chalcogens of the group VIA in a 1: 2 ratio. These layered materials have been …

Evidence for quantum spin liquid behaviour in single-layer 1T-TaSe2 from scanning tunnelling microscopy

W Ruan, Y Chen, S Tang, J Hwang, HZ Tsai, RL Lee… - Nature Physics, 2021 - nature.com
Two-dimensional triangular-lattice antiferromagnets are predicted under some conditions to
exhibit a quantum spin liquid ground state with no energy barrier to create emergent …

Band insulator to Mott insulator transition in 1T-TaS2

YD Wang, WL Yao, ZM **n, TT Han, ZG Wang… - Nature …, 2020 - nature.com
Abstract 1 T-TaS2 undergoes successive phase transitions upon cooling and eventually
enters an insulating state of mysterious origin. Some consider this state to be a band …

Strong correlations and orbital texture in single-layer 1T-TaSe2

Y Chen, W Ruan, M Wu, S Tang, H Ryu, HZ Tsai… - Nature Physics, 2020 - nature.com
Strong electron correlation can induce Mott insulating behaviour and produce intriguing
states of matter such as unconventional superconductivity and quantum spin liquids. Recent …

Ultrafast nanoimaging of the order parameter in a structural phase transition

T Danz, T Domröse, C Ropers - Science, 2021 - science.org
Understanding microscopic processes in materials and devices that can be switched by light
requires experimental access to dynamics on nanometer length and femtosecond time …

Origin of the Insulating Phase and First-Order Metal-Insulator Transition in

SH Lee, JS Goh, D Cho - Physical review letters, 2019 - APS
Using density functional theory calculations, we investigate the origin of the insulating phase
and metal-insulator transition (MIT) in octahedral tantalum disulfide (1 T-TaS 2), a layered …

Robust charge-density wave strengthened by electron correlations in monolayer 1T-TaSe2 and 1T-NbSe2

Y Nakata, K Sugawara, A Chainani, H Oka… - Nature …, 2021 - nature.com
Combination of low-dimensionality and electron correlation is vital for exotic quantum
phenomena such as the Mott-insulating phase and high-temperature superconductivity …

Memristive phase switching in two-dimensional 1T-TaS2 crystals

M Yoshida, R Suzuki, Y Zhang, M Nakano, Y Iwasa - Science advances, 2015 - science.org
Scaling down materials to an atomic-layer level produces rich physical and chemical
properties as exemplified in various two-dimensional (2D) crystals including graphene …

A metallic mosaic phase and the origin of Mott-insulating state in 1T-TaS2

L Ma, C Ye, Y Yu, XF Lu, X Niu, S Kim, D Feng… - Nature …, 2016 - nature.com
Electron–electron and electron–phonon interactions are two major driving forces that
stabilize various charge-ordered phases of matter. In layered compound 1T-TaS2, the …